CVE-2021-26084 Archives - Security Affairs

Threat actors started exploiting critical ownCloud flaw CVE-2023-49103

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International police operation dismantled a prominent Ukraine-based Ransomware group

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Daixin Team group claimed the hack of North Texas Municipal Water District

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Healthcare provider Ardent Health Services disclosed a ransomware attack

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Ukraine's intelligence service hacked Russia's Federal Air Transport Agency, Rosaviatsia

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Iranian hacker group Cyber Av3ngers hacked the Municipal Water Authority of Aliquippa in Pennsylvania

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The hack of MSP provider CTS potentially impacted hundreds of UK law firms

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Security Affairs newsletter Round 447 by Pierluigi Paganini – INTERNATIONAL EDITION

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Rhysida ransomware gang claimed China Energy hack

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North Korea-linked APT Lazarus is using a MagicLine4NX zero-day flaw in supply chain attack

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Hamas-linked APT uses Rust-based SysJoker backdoor against Israel

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App used by hundreds of schools leaking children's data

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Microsoft launched its new Microsoft Defender Bounty Program

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Exposed Kubernetes configuration secrets can fuel supply chain attacks

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North Korea-linked Konni APT uses Russian-language weaponized documents

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ClearFake campaign spreads macOS AMOS information stealer

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Welltok data breach impacted 8.5 million patients in the U.S.

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North Korea-linked APT Diamond Sleet supply chain attack relies on CyberLink software

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Automotive parts giant AutoZone disclosed data breach after MOVEit hack

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New InfectedSlurs Mirai-based botnet exploits two zero-days

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SiegedSec hacktivist group hacked Idaho National Laboratory (INL)

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CISA adds Looney Tunables Linux bug to its Known Exploited Vulnerabilities catalog

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Enterprise software provider TmaxSoft leaks 2TB of data

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Citrix provides additional measures to address Citrix Bleed

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Tor Project removed several relays associated with a suspicious cryptocurrency scheme

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Experts warn of a surge in NetSupport RAT attacks against education and government sectors

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The Top 5 Reasons to Use an API Management Platform

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Canadian government impacted by data breaches of two of its contractors

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Rhysida ransomware gang is auctioning data stolen from the British Library

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Russia-linked APT29 group exploited WinRAR 0day in attacks against embassies

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DarkCasino joins the list of APT groups exploiting WinRAR zero-day

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US teenager pleads guilty to his role in credential stuffing attack on a betting site

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Security Affairs newsletter Round 446 by Pierluigi Paganini – INTERNATIONAL EDITION

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8Base ransomware operators use a new variant of the Phobos ransomware

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Russian APT Gamaredon uses USB worm LitterDrifter against Ukraine

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The board of directors of OpenAI fired Sam Altman

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Medusa ransomware gang claims the hack of Toyota Financial Services

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CISA adds Sophos Web Appliance bug to its Known Exploited Vulnerabilities catalog

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Zimbra zero-day exploited to steal government emails by four groups

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Vietnam Post exposes 1.2TB of data, including email addresses

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Samsung suffered a new data breach

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FBI and CISA warn of attacks by Rhysida ransomware gang

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Critical flaw fixed in SAP Business One product

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Law enforcement agencies dismantled the illegal botnet proxy service IPStorm

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Gamblers’ data compromised after casino giant Strendus fails to set password

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VMware disclosed a critical and unpatched authentication bypass flaw in VMware Cloud Director Appliance

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Danish critical infrastructure hit by the largest cyber attack in Denmark's history

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Major Australian ports blocked after a cyber attack on DP World

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Nuclear and Oil & Gas are Major Targets of Ransomware Groups in 2024

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CISA adds five vulnerabilities in Juniper devices to its Known Exploited Vulnerabilities catalog

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LockBit ransomware gang leaked data stolen from Boeing

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North Korea-linked APT Sapphire Sleet targets IT job seekers with bogus skills assessment portals

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The Lorenz ransomware group hit Texas-based Cogdell Memorial Hospital

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The State of Maine disclosed a data breach that impacted 1.3M people

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Security Affairs newsletter Round 445 by Pierluigi Paganini – INTERNATIONAL EDITION

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Police seized BulletProftLink phishing-as-a-service (PhaaS) platform

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Serbian pleads guilty to running ‘Monopoly’ dark web drug market

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McLaren Health Care revealed that a data breach impacted 2.2 million people

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After ChatGPT, Anonymous Sudan took down the Cloudflare website

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Industrial and Commercial Bank of China (ICBC) suffered a ransomware attack

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SysAid zero-day exploited by Clop ransomware group

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Dolly.com pays ransom, attackers release data anyway

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DDoS attack leads to significant disruption in ChatGPT services

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Russian Sandworm disrupts power in Ukraine with a new OT attack

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Veeam fixed multiple flaws in Veeam ONE, including critical issues

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Pro-Palestinian hackers group 'Soldiers of Solomon' disrupted the production cycle of the biggest flour production plant in Israel

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Iranian Agonizing Serpens APT is targeting Israeli entities with destructive cyber attacks

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Critical Confluence flaw exploited in ransomware attacks

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QNAP fixed two critical vulnerabilities in QTS OS and apps

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Attackers use Google Calendar RAT to abuse Calendar service as C2 infrastructure

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Socks5Systemz proxy service delivered via PrivateLoader and Amadey

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US govt sanctioned a Russian woman for laundering virtual currency on behalf of threat actors

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Security Affairs newsletter Round 444 by Pierluigi Paganini – INTERNATIONAL EDITION

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Lazarus targets blockchain engineers with new KandyKorn macOS Malware

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Kinsing threat actors probed the Looney Tunables flaws in recent attacks

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ZDI discloses four zero-day flaws in Microsoft Exchange

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Okta customer support system breach impacted 134 customers

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Multiple WhatsApp mods spotted containing the CanesSpy Spyware

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Russian FSB arrested Russian hackers who supported Ukrainian cyber operations

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MuddyWater has been spotted targeting two Israeli entities

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Clop group obtained access to the email addresses of about 632,000 US federal employees

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Okta discloses a new data breach after a third-party vendor was hacked

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Suspected exploitation of Apache ActiveMQ flaw CVE-2023-46604 to install HelloKitty ransomware

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Boeing confirmed its services division suffered a cyberattack

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Resecurity: Insecurity of 3rd-parties leads to Aadhaar data leaks in India

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Who is behind the Mozi Botnet kill switch?

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CISA adds two F5 BIG-IP flaws to its Known Exploited Vulnerabilities catalog

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Threat actors actively exploit F5 BIG-IP flaws CVE-2023-46747 and CVE-2023-46748

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Pro-Hamas hacktivist group targets Israel with BiBi-Linux wiper

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British Library suffers major outage due to cyberattack

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Critical Atlassian Confluence flaw can lead to significant data loss

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WiHD leak exposes details of all torrent users

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Experts released PoC exploit code for Cisco IOS XE flaw CVE-2023-20198

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Canada bans WeChat and Kaspersky apps on government-issued mobile devices

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Florida man sentenced to prison for SIM Swapping conspiracy that led to theft of $1M in cryptocurrency

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Wiki-Slack attack allows redirecting business professionals to malicious websites

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HackerOne awarded over $300 million bug hunters

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StripedFly, a complex malware that infected one million devices without being noticed

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IT Army of Ukraine disrupted internet providers in territories occupied by Russia

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Security Affairs newsletter Round 443 by Pierluigi Paganini – INTERNATIONAL EDITION

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Bug hunters earned $1,038,250 for 58 unique 0-days at Pwn2Own Toronto 2023

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Lockbit ransomware gang claims to have stolen data from Boeing

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How to Collect Market Intelligence with Residential Proxies?

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F5 urges to address a critical flaw in BIG-IP

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Hello Alfred app exposes user data

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iLeakage attack exploits Safari to steal data from Apple devices

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Cloudflare mitigated 89 hyper-volumetric HTTP distributed DDoS attacks exceeding 100 million rps

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Seiko confirmed a data breach after BlackCat attack

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Winter Vivern APT exploited zero-day in Roundcube webmail software in recent attacks

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Pwn2Own Toronto 2023 Day 1 - organizers awarded $438,750 in prizes

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VMware addressed critical vCenter flaw also for End-of-Life products

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Citrix warns admins to patch NetScaler CVE-2023-4966 bug immediately

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New England Biolabs leak sensitive data

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Former NSA employee pleads guilty to attempted selling classified documents to Russia

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Experts released PoC exploit code for VMware Aria Operations for Logs flaw. Patch it now!

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How did the Okta Support breach impact 1Password?

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PII Belonging to Indian Citizens, Including their Aadhaar IDs, Offered for Sale on the Dark Web

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Spain police dismantled a cybercriminal group who stole the data of 4 million individuals

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CISA adds second Cisco IOS XE flaw to its Known Exploited Vulnerabilities catalog

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Cisco warns of a second IOS XE zero-day used to infect devices worldwide

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City of Philadelphia suffers a data breach

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SolarWinds fixed three critical RCE flaws in its Access Rights Manager product

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Don't use AI-based apps, Philippine defense ordered its personnel

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Vietnamese threat actors linked to DarkGate malware campaign

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MI5 chief warns of Chinese cyber espionage reached an unprecedented scale

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The attack on the International Criminal Court was targeted and sophisticated

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Security Affairs newsletter Round 442 by Pierluigi Paganini – INTERNATIONAL EDITION

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A threat actor is selling access to Facebook and Instagram's Police Portal

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Threat actors breached Okta support system and stole customers' data

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US DoJ seized domains used by North Korean IT workers to defraud businesses worldwide

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Alleged developer of the Ragnar Locker ransomware was arrested

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CISA adds Cisco IOS XE flaw to its Known Exploited Vulnerabilities catalog

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Tens of thousands Cisco IOS XE devices were hacked by exploiting CVE-2023-20198

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Law enforcement operation seized Ragnar Locker group's infrastructure

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THE 11TH EDITION OF THE ENISA THREAT LANDSCAPE REPORT IS OUT!

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North Korea-linked APT groups actively exploit JetBrains TeamCity flaw

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Multiple APT groups exploited WinRAR flaw CVE-2023-38831

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Californian IT company DNA Micro leaks private mobile phone data

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Threat actors have been exploiting CVE-2023-4966 in Citrix NetScaler ADC/Gateway devices since August

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A flaw in Synology DiskStation Manager allows admin account takeover

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D-Link confirms data breach, but downplayed the impact

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CVE-2023-20198 zero-day widely exploited to install implants on Cisco IOS XE systems

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Russia-linked Sandworm APT compromised 11 Ukrainian telecommunications providers

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Ransomware realities in 2023: one employee mistake can cost a company millions

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Malware-laced 'RedAlert - Rocket Alerts' app targets Israeli users

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Cisco warns of active exploitation of IOS XE zero-day

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Signal denies claims of an alleged zero-day flaw in its platform

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Microsoft Defender thwarted Akira ransomware attack on an industrial engineering firm

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DarkGate malware campaign abuses Skype and Teams

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The Alphv ransomware gang stole 5TB of data from the Morrison Community Hospital

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Security Affairs newsletter Round 441 by Pierluigi Paganini – INTERNATIONAL EDITION

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Lockbit ransomware gang demanded an 80 million ransom to CDW

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CISA warns of vulnerabilities and misconfigurations exploited in ransomware attacks

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Stayin' Alive campaign targets high-profile Asian government and telecom entities. Is it linked to ToddyCat APT?

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FBI and CISA published a new advisory on AvosLocker ransomware

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More than 17,000 WordPress websites infected with the Balada Injector in September

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Ransomlooker, a new tool to track and analyze ransomware groups' activities

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Phishing, the campaigns that are targeting Italy

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A new Magecart campaign hides the malicious code in 404 error page

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CISA adds Adobe Acrobat Reader flaw to its Known Exploited Vulnerabilities catalog

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Mirai-based DDoS botnet IZ1H9 added 13 payloads to target routers

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Air Europa data breach exposed customers' credit cards

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#OpIsrael, #FreePalestine & #OpSaudiArabia - How Cyber Actors Capitalize On War Actions Via Psy-Ops

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Microsoft Patch Tuesday updates for October 2023 fixed three actively exploited zero-day flaws

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New 'HTTP/2 Rapid Reset' technique behind record-breaking DDoS attacks

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Exposed security cameras in Israel and Palestine pose significant risks

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A flaw in libcue library impacts GNOME Linux systems

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Hacktivists in Palestine and Israel after SCADA and other industrial control systems

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Large-scale Citrix NetScaler Gateway credential harvesting campaign exploits CVE-2023-3519

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The source code of the 2020 variant of HelloKitty ransomware was leaked on a cybercrime forum

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Gaza-linked hackers and Pro-Russia groups are targeting Israel

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Flagstar Bank suffered a data breach once again

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Android devices shipped with backdoored firmware as part of the BADBOX network

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Security Affairs newsletter Round 440 by Pierluigi Paganini – International edition

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North Korea-linked Lazarus APT laundered over $900 million through cross-chain crime

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QakBot threat actors are still operational after the August takedown

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Ransomware attack on MGM Resorts costs $110 Million

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Cybersecurity, why a hotline number could be important?

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Multiple experts released exploits for Linux local privilege escalation flaw Looney Tunables

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Cisco Emergency Responder is affected by a critical Static Credentials bug. Fix it immediately!

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Belgian intelligence service VSSE accused Alibaba of ‘possible espionage’ at European hub in Liege

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CISA adds JetBrains TeamCity and Windows flaws to its Known Exploited Vulnerabilities catalog

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NATO is investigating a new cyber attack claimed by the SiegedSec group

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Global CRM Provider Exposed Millions of Clients’ Files Online

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Sony sent data breach notifications to about 6,800 individuals

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Apple fixed the 17th zero-day flaw exploited in attacks

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Atlassian Confluence zero-day CVE-2023-22515 actively exploited in attacks

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A cyberattack disrupted Lyca Mobile services

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Chipmaker Qualcomm warns of three actively exploited zero-days

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DRM Report Q2 2023 - Ransomware threat landscape

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Phishing campaign targeted US executives exploiting a flaw in Indeed job search platform

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San Francisco’s transport agency exposes drivers’ parking permits and addresses

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BunnyLoader, a new Malware-as-a-Service advertised in cybercrime forums

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Exclusive: Lighting the Exfiltration Infrastructure of a LockBit Affiliate (and more)

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Two hacker groups are back in the news, LockBit 3.0 Black and BlackCat/AlphV

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European Telecommunications Standards Institute (ETSI) suffered a data breach

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WS_FTP flaw CVE-2023-40044 actively exploited in the wild

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National Logistics Portal (NLP) data leak: seaports in India were left vulnerable to takeover by hackers

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North Korea-linked Lazarus targeted a Spanish aerospace company

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Ransomware attack on Johnson Controls may have exposed sensitive DHS data

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BlackCat gang claims they stole data of 2.5 million patients of McLaren Health Care

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Security Affairs newsletter Round 439 by Pierluigi Paganini – International edition

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ALPHV/BlackCat ransomware gang hacked the hotel chain Motel One

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FBI warns of dual ransomware attacks

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Progress Software fixed two critical severity flaws in WS_FTP Server

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Child abuse site taken down, organized child exploitation crime suspected – exclusive

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A still unpatched zero-day RCE impacts more than 3.5M Exim servers

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Chinese threat actors stole around 60,000 emails from US State Department in Microsoft breach

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Misconfigured WBSC server leaks thousands of passports

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CISA adds JBoss RichFaces Framework flaw to its Known Exploited Vulnerabilities catalog

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Cisco urges to patch actively exploited IOS zero-day CVE-2023-20109

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Dark Angels Team ransomware group hit Johnson Controls

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GOOGLE FIXED THE FIFTH CHROME ZERO-DAY OF 2023

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Russian zero-day broker is willing to pay $20M for zero-day exploits for iPhones and Android devices

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China-linked APT BlackTech was spotted hiding in Cisco router firmware

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Watch out! CVE-2023-5129 in libwebp library affects millions applications

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DarkBeam leaks billions of email and password combinations

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'Ransomed.vc' in the Spotlight - What is Known About the Ransomware Group Targeting Sony and NTT Docomo

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Top 5 Problems Solved by Data Lineage

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Threat actors claim the hack of Sony, and the company investigates

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Canadian Flair Airlines left user data leaking for months

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The Rhysida ransomware group hit the Kuwait Ministry of Finance

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BORN Ontario data breach impacted 3.4 million newborns and pregnancy care patients

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Xenomorph malware is back after months of hiatus and expands the list of targets

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Smishing Triad Stretches Its Tentacles into the United Arab Emirates

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Crooks stole $200 million worth of assets from Mixin Network

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A phishing campaign targets Ukrainian military entities with drone manual lures

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Alert! Patch your TeamCity instance to avoid server hack

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Is Gelsemium APT behind a targeted attack in Southeast Asian Government?

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Nigerian National pleads guilty to participating in a millionaire BEC scheme

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New variant of BBTok Trojan targets users of +40 banks in LATAM

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Deadglyph, a very sophisticated and unknown backdoor targets the Middle East

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Alphv group claims the hack of Clarion, a global manufacturer of audio and video equipment for cars

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Security Affairs newsletter Round 438 by Pierluigi Paganini – International edition

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National Student Clearinghouse data breach impacted approximately 900 US schools

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Government of Bermuda blames Russian threat actors for the cyber attack

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Recently patched Apple and Chrome zero-days exploited to infect devices in Egypt with Predator spyware

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CISA adds Trend Micro Apex One and Worry-Free Business Security flaw to its Known Exploited Vulnerabilities catalog

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Information of Air Canada employees exposed in recent cyberattack

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Sandman APT targets telcos with LuaDream backdoor

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Apple rolled out emergency updates to address 3 new actively exploited zero-day flaws

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Ukrainian hackers are behind the Free Download Manager supply chain attack

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Space and defense tech maker Exail Technologies exposes database access

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Pro-Russia hacker group NoName launched a DDoS attack on Canadian airports causing severe disruptions

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Experts found critical flaws in Nagios XI network monitoring software

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The dark web drug marketplace PIILOPUOTI was dismantled by Finnish Customs

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International Criminal Court hit with a cyber attack

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GitLab addressed critical vulnerability CVE-2023-5009

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Trend Micro addresses actively exploited zero-day in Apex One and other security Products

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ShroudedSnooper threat actors target telecom companies in the Middle East

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Recent cyber attack is causing Clorox products shortage

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Earth Lusca expands its arsenal with SprySOCKS Linux malware

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Microsoft AI research division accidentally exposed 38TB of sensitive data

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German intelligence warns cyberattacks could target liquefied natural gas (LNG) terminals

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Deepfake and smishing. How hackers compromised the accounts of 27 Retool customers in the crypto industry

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FBI hacker USDoD leaks highly sensitive TransUnion data

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North Korea's Lazarus APT stole almost $240 million in crypto assets since June

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Clop gang stolen data from major North Carolina hospitals

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CardX released a data leak notification impacting their customers in Thailand

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Security Affairs newsletter Round 437 by Pierluigi Paganini – International edition

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TikTok fined €345M by Irish DPC for violating children’s privacy

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Dariy Pankov, the NLBrute malware author, pleads guilty

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Dangerous permissions detected in top Android health apps

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Caesars Entertainment paid a ransom to avoid stolen data leaks

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Free Download Manager backdoored to serve Linux malware for more than 3 years

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Lockbit ransomware gang hit the Carthage Area Hospital and the Clayton-Hepburn Medical Center in New York

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The iPhone of a Russian journalist was infected with the Pegasus spyware

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Kubernetes flaws could lead to remote code execution on Windows endpoints

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Threat actor leaks sensitive data belonging to Airbus

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A new ransomware family called 3AM appears in the threat landscape

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Redfly group infiltrated an Asian national grid as long as six months

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Mozilla fixed a critical zero-day in Firefox and Thunderbird

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Microsoft September 2023 Patch Tuesday fixed 2 actively exploited zero-day flaws

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Save the Children confirms it was hit by cyber attack

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Adobe fixed actively exploited zero-day in Acrobat and Reader

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A new Repojacking attack exposed over 4,000 GitHub repositories to hack

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MGM Resorts hit by a cyber attack

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Anonymous Sudan launched a DDoS attack against Telegram

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Iranian Charming Kitten APT targets various entities in Brazil, Israel, and the U.A.E. using a new backdoor

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GOOGLE FIXED THE FOURTH CHROME ZERO-DAY OF 2023

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CISA adds recently discovered Apple zero-days to Known Exploited Vulnerabilities Catalog

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UK and US sanctioned 11 members of the Russia-based TrickBot gang

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New HijackLoader malware is rapidly growing in popularity in the cybercrime community

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Some of TOP universities wouldn’t pass cybersecurity exam: left websites vulnerable

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Evil Telegram campaign: Trojanized Telegram apps found on Google Play

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Rhysida Ransomware gang claims to have hacked three more US hospitals

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Akamai prevented the largest DDoS attack on a US financial company

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Security Affairs newsletter Round 436 by Pierluigi Paganini – International edition

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US CISA added critical Apache RocketMQ flaw to its Known Exploited Vulnerabilities catalog

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Ragnar Locker gang leaks data stolen from the Israel's Mayanei Hayeshua hospital

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North Korea-linked threat actors target cybersecurity experts with a zero-day

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Zero-day in Cisco ASA and FTD is actively exploited in ransomware attacks

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Zero-days fixed by Apple were used to deliver NSO Group’s Pegasus spyware

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Apple discloses 2 new actively exploited zero-day flaws in iPhones, Macs

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A malvertising campaign is delivering a new version of the macOS Atomic Stealer

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Two flaws in Apache SuperSet allow to remotely hack servers

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Chinese cyberspies obtained Microsoft signing key from Windows crash dump due to a mistake

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Google addressed an actively exploited zero-day in Android

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A zero-day in Atlas VPN Linux Client leaks users' IP address

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MITRE and CISA release Caldera for OT attack emulation

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ASUS routers are affected by three critical remote code execution flaws

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Hackers stole $41M worth of crypto assets from crypto gambling firm Stake

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Freecycle data breach impacted 7 Million users

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Meta disrupted two influence campaigns from China and Russia

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A massive DDoS attack took down the site of the German financial agency BaFin

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"Smishing Triad" Targeted USPS and US Citizens for Data Theft

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University of Sydney suffered a security breach caused by a third-party service provider

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Cybercrime will cost Germany $224 billion in 2023

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PoC exploit code released for CVE-2023-34039 bug in VMware Aria Operations for Networks

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Security Affairs newsletter Round 435 by Pierluigi Paganini – International edition

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LockBit ransomware gang hit the Commission des services electriques de Montréal (CSEM)

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UNRAVELING EternalBlue: inside the WannaCry’s enabler

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Researchers released a free decryptor for the Key Group ransomware

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Fashion retailer Forever 21 data breach impacted +500,000 individuals

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Russia-linked hackers target Ukrainian military with Infamous Chisel Android malware

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Akira Ransomware gang targets Cisco ASA without Multi-Factor Authentication

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Paramount Global disclosed a data breach

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National Safety Council data leak: Credentials of NASA, Tesla, DoJ, Verizon, and 2K others leaked by workplace safety organization

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Abusing Windows Container Isolation Framework to avoid detection by security products

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Critical RCE flaw impacts VMware Aria Operations Networks

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UNC4841 threat actors hacked US government email servers exploiting Barracuda ESG flaw

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Hackers infiltrated Japan’s National Center of Incident Readiness and Strategy for Cybersecurity (NISC) for months

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FIN8-linked actor targets Citrix NetScaler systems

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Japan's JPCERT warns of new 'MalDoc in PDF' attack technique

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Attackers can discover IP address by sending a link over the Skype mobile app

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Cisco fixes 3 high-severity DoS flaws in NX-OS and FXOS software

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Cloud and hosting provider Leaseweb took down critical systems after a cyber attack

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Crypto investor data exposed by a SIM swapping attack against a Kroll employee

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China-linked Flax Typhoon APT targets Taiwan

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Researchers released PoC exploit for Ivanti Sentry flaw CVE-2023-38035

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Resecurity identified a zero-day vulnerability in Schneider Electric Accutech Manager

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CVE-2021-26084

Pierluigi Paganini September 30, 2021

Threat actors use recently discovered CVE-2021-26084 Atlassian Confluence

Threat actors are actively exploiting the recently disclosed CVE-2021-26084 RCE vulnerability in Atlassian Confluence deployments. Trend Micro researchers have spotted crypto-mining campaigns that are actively exploiting a recently disclosed critical remote code execution vulnerability in Atlassian Confluence deployments across Windows and Linux. At the end of August, Atlassian released security patches to address the critical CVE-2021-26084 flaw that affects […]

Pierluigi Paganini September 03, 2021

USCYBERCOM and CISA warn organizations to fix CVE-2021-26084 Confluence flaw

USCYBERCOM is urging organizations to patch a critical CVE-2021-26084 flaw in Atlassian Confluence Server and Data Center, ahead of the Labor Day weekend. US Cyber Command (USCYBERCOM) has issued an alert to warn US organizations to address Atlassian Confluence CVE-2021-26084 vulnerability immediately, ahead of the Labor Day weekend. Government experts are aware of the ongoing […]