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 ...

Agent observability, aka AgentOps, has emerged as a vital ecosystem of tools for keeping an eye on what AI agents and LLMs ...

A financially motivated Russian threat actor tracked as UAT-11795 is using trojanized software to steal credentials and ...

a laptop screen with a webpage of the IT Army of Ukraine group of volunteer hackers. The IT Army of Ukraine first set up in the wake of Russia's devastating attack, and has since hugely grown in ...

Nothing broke, so I never looked.

JFrog says six malicious npm packages used hidden install-time execution, JSONKeeper fetches, and sandbox checks to enable remote access.

A new ransomware operation named ‘Prinz Eugen’ prioritizes recently modified files for encryption and leaves no ransom note on the system. An investigation from Threatdown, the former corporate ...

When Windows fails, this tiny USB drive takes over.

Abstract: Traffic classification technologies have evolved as a key component for modern network protection and management systems. However, encryption algorithms have been adopted in traffic ...