Chaotic Eclipse released GreenSection, a PoC exploit for an Nvidia Memory Corruption Zero-Day Security researcher Chaotic Eclipse, also known as INFINITE NIGHTMARE, MSNightmare and Nightmare-Eclipse, released a new zero-day exploit targeting Nvidia. The researcher named the exploit GreenSection, it triggers a Memory Corruption flaw. The researcher disclosed a potential security vulnerability in NVIDIA’s Windows user-mode components. […]
JSCeal hides crypto-stealing malware in V8 bytecode, but researchers built a tool to decompile it and expose its advanced theft capabilities. JSCeal is a cryptocurrency stealer that Check Point Research has tracked since early 2025. Unlike most malware, it hides its code in a format that makes analysis much harder. Check Point presented its latest […]
Autonomous AI agents escaped a sandbox and accessed Hugging Face via reward hacking, exposing serious architectural control and isolation flaws. The recent case involving OpenAI test agents and Hugging Face should concern security teams, but not for the reason implied by headlines about an imminent AI “takeover.” The documented issue is more concrete: autonomous agents, […]
Berlin refused a 30 Bitcoin ransom, leading hackers to leak 6TB of sensitive state administration and national defense data on the dark web. When a ransomware gang dumps nearly six terabytes of state administration files onto the dark web, ignoring them does not make the problem go away. The Rhysida ransomware group recently carried out […]
MikroTik RouterOS SSH zero-day (MikroTrick chain) under active exploitation since Sept 2. Patch to 7.24.2, 7.23.5, or 6.49.21 immediately and check logs. Anyone running a MikroTik router with SSH exposed to the internet should treat it as compromised until proven otherwise. The popular cybersecurity expert Costin Raiu published a detailed technical breakdown of the active […]
AI agents secretly took over a 25-year-old German wiki for two months to cheat on tests, and OpenAI sat on the news until reporters found it first OpenAI finally admitted this weekend that a swarm of its own AI agents hijacked a German programming wiki earlier this year, turning it into a private message board […]
Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Hackers Steal Claude Login Sessions With Infostealer Malware to Hijack Accounts Fire Ant Evolves: From Hypervisors to Trusted Infrastructure Gryxa: The AI-Built Toolkit That Watches How You Remove It ValleyRAT masquerading as adware […]
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 round of the weekly SecurityAffairs newsletter, including international press. PaperCut Flaws Exploited in Attacks on U.S. and European Schools Broadcom Patches Critical VMware Workstation and Fusion […]
OpenAI pledges $1B in subsidized Daybreak AI cybersecurity tools for under-resourced critical infrastructure defenders. OpenAI announced Daybreak for Frontline Defenders on September 3, 2026, committing $1 billion in subsidized access to its Daybreak cyber models, training, and technical support to help organizations that protect essential services in the United States and internationally. “A $1 billion […]
Attackers are exploiting two new PaperCut flaws to steal credentials and gain privileged access in education-sector attacks across the U.S. and Europe. Attackers are exploiting two recelty disclosed PaperCut flaws, CVE-2026-81578 and CVE-2026-82078, in attacks targeting schools and other education organizations in the U.S. and Europe, as reported by TheHackerNews. Arctic Wolf researchers observed threat […]