Microsoft has observed a surge in attacks using the ACR Stealer malware to steal browser-stored passwords, authentication ...

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

This week’s ThreatsDay Bulletin covers spyware-laced game cheats, fake installers, infostealer, ransomware, phishing kits, ...

One of the Russian government’s most elite hacking groups has adopted an attack, known as Clickfix, to compromise devices ...

Threat researchers at cloud security firm Sysdig have disclosed what they describe as the first documented ransomware operation carried out end-to-end by an autonomous AI agent, with no human typing ...