InfoSecBulletin Cybersecurity for mankind

A Russian-speaking hacker has used artificial intelligence like never before. They sent out hundreds of AI agents to find and attack major weaknesses in PaperCut NG/MF print management software, affecting at least 440 servers in 395 organizations across 48 countries. Security experts at GreyNoise found the campaign using their Global …

Six Chinese AI companies ran large-scale attacks on American AI models since late 2024, according to U.S. cybersecurity and intelligence agencies. A joint advisory from CISA, NSA, and the FBI states that DeepSeek, Moonshot AI, Alibaba, MiniMax, StepFun, and Z.AI extracted billions of tokens through millions of requests from frontier AI …

An unknown security expert called Nightmare Eclipse has drops a new Microsoft Defender flaw called “ShieldCrash” right after Microsoft released its security updates in September 2026. ShieldCrash is described as a bypass for the ShieldBreak Defender privilege escalation flaw patched on Thursday, which itself bypassed RoguePlanet, another Defender flaw disclosed in …