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Hackers are exploiting a recently disclosed critical vulnerability (CVE-2026-48558) in SimpleHelp to deploy Djinn Stealer, a previously undocumented cross-platform information stealer targeting Windows, macOS, and Linux. [...]

Expired security cert, real Brussels agenda, plus PlugX malware finish the job Cyber spies linked to the Chinese government exploited a Windows shortcut vulnerability disclosed in March – but that Microsoft hasn't fixed yet – to target European diplomats in an effort to steal defense and national security details.…

A newly disclosed security flaw in the Microsoft Defender SmartScreen has been exploited as a zero-day by an advanced persistent threat actor called Water Hydra (aka DarkCasino) targeting financial market traders