Microsoft

ACR Stealer: Two observed intrusion chains amid increased threat activity

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

Now, even Russia’s most elite hackers are using Clickfix to infect devices

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

Russian hackers trojanize WebEx, Zoom apps to push Starland malware

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

Nearly 300 GitHub repos pose as legit software to push malware

A threat actor has published hundreds of fake GitHub repositories impersonating legitimate software and security projects to ...