Experts published unpatched Windows zero-day BlueHammer

A researcher leaked the unpatched Windows zero-day “BlueHammer,” letting attackers gain SYSTEM rights; no patch exists yet. A disgruntled researcher released the BlueHammer Windows zero-day, a privilege escalation flaw... Read more »

Phishing LNK files and GitHub C2 power new DPRK cyber attacks

DPRK-linked hackers use GitHub C2s, starting attacks via phishing LNK files that drop a PDF and PowerShell script in South Korea. North Korea-linked threat actors target South Korean organizations... Read more »

BKA unmasks two REvil Ransomware operators behind 130+ German attacks

German police BKA identified two key REvil ransomware members, linking them to over 130 attacks in Germany. Germany’s Federal Criminal Police (BKA) has identified two key figures behind the... Read more »

Attackers Exploit RCE Flaw as 14,000 F5 BIG-IP APM Instances Remain Exposed

Over 14,000 F5 BIG-IP APM instances remain exposed online, as attackers actively exploit a critical remote code execution flaw CVE-2025-53521. Over 14,000 F5 BIG-IP APM instances remain exposed online,... Read more »

CVE-2026-35616: Fortinet fixes actively exploited high-severity flaw

Fortinet issued emergency patches for a critical FortiClient EMS flaw (CVE-2026-35616) actively exploited in the wild. Fortinet released out-of-band patches for a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616... Read more »

CVE-2026-35616: Fortinet fixes actively exploited high-severity flaw

Fortinet issued emergency patches for a critical FortiClient EMS flaw (CVE-2026-35616) actively exploited in the wild. Fortinet released out-of-band patches for a critical FortiClient EMS vulnerability, tracked as CVE-2026-35616... Read more »

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 91

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Infiniti Stealer: a new macOS infostealer using ClickFix and Python/Nuitka  ... Read more »

Security Affairs newsletter Round 571 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new... Read more »

Image or Malware? Read until the end and answer in comments :)

A malicious email delivered a .cmd malware that escalates privileges, bypasses antivirus, downloads payloads, sets persistence, and self-deletes. I received this email from a friend to make an analysis.... Read more »

Qilin ransomware group claims the hack of German political party Die Linke

Qilin ransomware claims it stole data from Germany’s Die Linke and threatens to leak it; the party confirmed the incident, but not a breach. The Qilin ransomware group claims... Read more »
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