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A comprehensive analysis and assessment of a critical severity vulnerability with low likelihood of mass exploitation ESET researchers examined CVE‑2025‑50165, a serious Windows vulnerability described to grant remote code execution by merely opening a specially crafted JPG file – one of the most widely used image formats. The flaw, found and documented by Zscaler ThreatLabz, piqued our interest, as Microsoft assessed its severity as critical but deemed its exploitability as

The discovery of PromptLock shows how malicious use of AI models could supercharge ransomware and other threats ESET researchers have discovered what they called "the first known AI-powered ransomware". The malware, which ESET has named PromptLock, has the ability to exfiltrate, encrypt and possibly even destroy data, though this last functionality appears not to have been implemented in the malware yet. While PromptLock was not spotted in actual attacks and is instead though

ESET researchers have discovered threats abusing the success of the Hamster Kombat clicker game. The Hamster Kombat game’s success has...

ESET researchers discovered a zero-day Telegram for Android exploit that allows sending malicious files disguised as videos. ESET...

A view of the H1 2024 threat landscape as seen by ESET telemetry and from the perspective of ESET threat detection and research experts....

ESET researchers have identified five campaigns that employ trojanised apps to target Android users. ESET Research discovered multistage...

C-level executives, diplomats, and high-ranking IT managers usually have access to sensitive information, huge amounts of data, finances,...

ESET Research discovered two previously unknown backdoors — which we named LunarWeb and LunarMail — compromising a European ministry of...

One of the most advanced server-side malware campaigns is still growing, with hundreds of thousands of compromised servers, and it has...

ESET researchers discuss the dynamics within and between various groups of scammers who use a Telegram bot called Telekopye to scam...