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MUST READ

Security Affairs newsletter Round 531 by Pierluigi Paganini – INTERNATIONAL EDITION

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North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates

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Critical Sudo bugs expose major Linux distros to local Root exploits

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Google fined $314M for misusing idle Android users' data

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A flaw in Catwatchful spyware exposed logins of +62,000 users

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China-linked group Houken hit French organizations using zero-days

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Cybercriminals Target Brazil: 248,725 Exposed in CIEE One Data Breach

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Europol shuts down Archetyp Market, longest-running dark web drug marketplace

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Kelly Benefits data breach has impacted 550,000 people, and the situation continues to worsen as the investigation progresses

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Cisco removed the backdoor account from its Unified Communications Manager

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U.S. Sanctions Russia's Aeza Group for aiding crooks with bulletproof hosting

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Qantas confirms customer data breach amid Scattered Spider attacks

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CVE-2025-6554 is the fourth Chrome zero-day patched by Google in 2025

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U.S. CISA adds TeleMessage TM SGNL flaws to its Known Exploited Vulnerabilities catalog

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A sophisticated cyberattack hit the International Criminal Court

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Esse Health data breach impacted 263,000 individuals

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Europol dismantles €460M crypto scam targeting 5,000 victims worldwide

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CISA and U.S. Agencies warn of ongoing Iranian cyber threats to critical infrastructure

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U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog

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Canada bans Hikvision over national security concerns

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IT Information Security

Pierluigi Paganini December 27, 2020
Vermont Hospital confirmed the ransomware attack

The Burlington-based University of Vermont Health Network has finally admitted that ransomware was behind the October attack. In October, threat actors hit the Wyckoff Heights Medical Center in Brooklyn and the University of Vermont Health Network. The cyber attack took place on October 28 and disrupted services at the UVM Medical Center and affiliated facilities. A […]

Pierluigi Paganini December 27, 2020
Security Affairs newsletter Round 294

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs free for you in your email box. A massive fraud operation used mobile device emulators to steal millions from online bank accounts SolarWinds hackers also breached the US NNSA nuclear agency Clop ransomware gang paralyzed flavor and […]

Pierluigi Paganini December 27, 2020
HackerOne announces first bug hunter to earn more than $2M in bug bounties

White hat hacker could be a profitable profession, Cosmin Iordache earned more than $2M reporting flaws through the bug bounty program HackerOne. Iordache is the first bug bounty hunter to earn more than $2,000,000 in bounty awards through the vulnerability coordination and bug bounty program HackerOne. HackerOne announced that the bug bounty hunter Cosmin Iordache (@inhibitor181) […]

Pierluigi Paganini December 27, 2020
SolarWinds releases updated advisory for SUPERNOVA backdoor

SolarWinds released an updated advisory for the SuperNova malware discovered while investigating the recent supply chain attack. SolarWinds has released an updated advisory for the SuperNova backdoor that was discovered while investigating the recent SolarWinds Orion supply-chain attack. The SuperNova backdoor was likely used by a separate threat actor. After the initial disclosure of the […]

Pierluigi Paganini December 26, 2020
The Emotet botnet is back and hits 100K recipients per day

Emotet is back on Christmas Eve, cybercrime operators are sending out spam messages to deliver the infamous Trickbot Trojan. Emotet is back on Christmas Eve, after two months of silence, cybercrime operators are sending out spam messages to deliver the infamous Trickbot Trojan. The recent Emotet campaign uses updated payloads and is targeting over 100,000 […]

Pierluigi Paganini December 26, 2020
REvil gang threatens to release intimate pictures of celebs who are customers of The Hospital Group

REvil ransomware gang, aka Sodinokibi, hacked The Hospital Group and threatens to release before-and-after pictures of celebrity clients. The Hospital Group has 11 clinics and has a celebrity clientele, but it made the headlines because the REvil ransomware gang, aka Sodinokibi, claims to have hacked its systems and threatens to release before-and-after pictures of celebrity […]

Pierluigi Paganini December 25, 2020
CrowdStrike releases free Azure tool to review assigned privileges

CrowdStrike released a free Azure security tool after it was notified by Microsoft of a failed attack leveraging compromised Azure credentials. While investigating the impact of the recent SolarWind hack, on December 15th Microsoft reported to CrowdStrike that threat actors attempted to read CrowdStrike’s emails by using a compromised Microsoft Azure reseller’s account. “Specifically, they […]

Pierluigi Paganini December 25, 2020
North Korea-linked Lazarus APT targets the COVID-19 research

The North Korea-linked Lazarus APT group has recently launched cyberattacks against at least two organizations involved in COVID-19 research. The North Korea-linked APT group Lazarus has recently launched cyberattacks against two entities involved in COVID-19 research. The activity of the Lazarus APT group surged in 2014 and 2015, its members used mostly custom-tailored malware in their attacks. […]

Pierluigi Paganini December 25, 2020
DDoS amplify attack targets Citrix Application Delivery Controllers (ADC)

Citrix confirmed that a DDoS attack is targeting Citrix Application Delivery Controller (ADC) networking equipment. The threat actors are using the Datagram Transport Layer Security (DTLS) protocol as an amplification vector in attacks against Citrix appliances with EDT enabled. The DTLS protocol is a communications protocol for securing delay-sensitive apps and services that use datagram […]

Pierluigi Paganini December 24, 2020
Millions of devices could be hacked exploiting flaws targeted by tools stolen from FireEye

Millions of devices are potential exposed to attacks targeting the vulnerabilities exploited by the tools stolen from the arsenal of FireEye. Security experts from Qualys are warning that more than 7.5 million devices are potentially exposed to cyber attacks targeting the vulnerabilities exploited by the tools stolen from the arsenal of FireEye. As a result […]

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    recent articles

    Security Affairs newsletter Round 531 by Pierluigi Paganini – INTERNATIONAL EDITION

    Breaking News / July 06, 2025

    North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates

    Malware / July 05, 2025

    Critical Sudo bugs expose major Linux distros to local Root exploits

    Security / July 04, 2025

    Google fined $314M for misusing idle Android users' data

    Laws and regulations / July 04, 2025

    A flaw in Catwatchful spyware exposed logins of +62,000 users

    Malware / July 04, 2025

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