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MUST READ

Hackers weaponize Shellter red teaming tool to spread infostealers

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Microsoft Patch Tuesday security updates for July 2025 fixed a zero-day

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Italian police arrested a Chinese national suspected of cyberespionage on a U.S. warrant

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U.S. CISA adds MRLG, PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog

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IT Worker arrested for selling access in $100M PIX cyber heist

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New Batavia spyware targets Russian industrial enterprises

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Taiwan flags security risks in popular Chinese apps after official probe

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U.S. CISA adds Google Chromium V8 flaw to its Known Exploited Vulnerabilities catalog

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Hunters International ransomware gang shuts down and offers free decryption keys to all victims

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 52

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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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malware

Pierluigi Paganini December 27, 2019
Windows systems at Maastricht University were infected with a ransomware

A new ransomware attack made the headlines, Maastricht University (UM) confirmed that the malware encrypted all its Windows systems on December 23. Maastricht University (UM) announced ransomware infected almost all of its Windows systems on Monday, December 23. Maastricht University is an excellent university attended by over 18,000 students, roughly 4,400 employees, and 70,000 alumni. “Maastricht […]

Pierluigi Paganini December 26, 2019
Ryuk Ransomware evolution avoid encrypting Linux folders

Experts spotted a new strain of the Ryuk Ransomware that was developed to avoid encrypting folders commonly seen in *NIX operating systems. Recently the City of New Orleans was the victim of ransomware attack, researchers from the BleepingComputer community revealed that the malware that infected the City’s systems was the Ryuk Ransomware. The experts found on […]

Pierluigi Paganini December 25, 2019
New Mozi P2P Botnet targets Netgear, D-Link, Huawei routers

A new Mozi P2P botnet is actively targeting Netgear, D-Link, and Huawei routers by probing for weak Telnet passwords to compromise them. Security experts from 360 Netlab spotted a new Mozi P2P botnet that is actively targeting Netgear, D-Link, and Huawei routers by probing for weak Telnet passwords to compromise them. According to the researchers, […]

Pierluigi Paganini December 25, 2019
Actors behind Maze ransomware release files stolen from City of Pensacola

Maze ransomware operators have released 2GB of files that were allegedly stolen from the City of Pensacola during the recent attack. On December 7, 2019, the city of Pensacola has been hit by a ransomware attack, the city was forced to disconnect most of its systems following the attack that impacted emails, telephone lines, and […]

Pierluigi Paganini December 23, 2019
Champagne Bakery Cafe and Islands burger chain disclose payment card breaches

The news of two new payment card breaches made the headlines, the victims are the Islands restaurant chain and Champagne French Bakery Cafe. The new restaurant chains with locations across the U.S. disclosed payment card breaches, in both cases, attackers used PoS malware to capture card data stored in the magnetic stripe. Exposed data includes […]

Pierluigi Paganini December 22, 2019
Security Affairs newsletter Round 245

A new round of the weekly newsletter arrived! The best news of the week with Security Affairs From iPhone to NT AUTHORITYSYSTEM – exploit ‘Printconfig dll with a real-world example Iran announced to have foiled a second cyber-attack in a week Largest hospital system in New Jersey was hit by ransomware attack A thief stole […]

Pierluigi Paganini December 20, 2019
Unveiling JsOutProx: A New Enterprise Grade Implant

Experts at Yoroi/Cybaze ZLab spotted a new sophisticated malware implant dubbed JsOutProx that seems to be unrelated to mainstream cyber weapons. Introduction During our threat intelligence source monitoring operations, we spotted a new sophisticated malware implant, dubbed JsOutProx, that seems to be unrelated to mainstream cyber weapons. In fact, the recovered sample raised many interrogatives […]

Pierluigi Paganini December 19, 2019
Maze Ransomware operators threaten victims to publish their data online

The victims of the Maze Ransomware now face another threat because operators behind the malware could publish their data online. The victims of the Maze Ransomware are facing another risk, after having their data encrypted now crooks are threatening to publish their data online. The Maze ransomware also implements data harvesting capabilities, operators are threatening […]

Pierluigi Paganini December 18, 2019
Emotet distributed with emails posing as German authorities, BSI warns

BSI, Germany’s federal cybersecurity agency warns of an active malspam campaign that distributing the infamous Emotet banking Trojan. Germany’s federal cybersecurity agency BSI is warning of an active malspam campaign that aims at distributing the Emotet banking Trojan. The malicious messages camouflaged to look like messages delivered by German federal authorities. According to the BSI, […]

Pierluigi Paganini December 18, 2019
Trend Micro observed notable malware activity associated with the Momentum Botnet

Security experts recently found notable malware activity affecting devices running Linux that is associated with the Momentum Botnet. Malware researchers from Trend Micro recently observed notable malware activity affecting devices running Linux that is associated with the Momentum Botnet. Experts revealed details on the tools and techniques used by the botnet to compromise Linux devices […]

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    recent articles

    Hackers weaponize Shellter red teaming tool to spread infostealers

    Malware / July 09, 2025

    Microsoft Patch Tuesday security updates for July 2025 fixed a zero-day

    Security / July 08, 2025

    Italian police arrested a Chinese national suspected of cyberespionage on a U.S. warrant

    Intelligence / July 08, 2025

    U.S. CISA adds MRLG, PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog

    Hacking / July 08, 2025

    IT Worker arrested for selling access in $100M PIX cyber heist

    Cyber Crime / July 08, 2025

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