Russia-linked APT28 deployed new malware against Ukrainian government targets through malicious documents sent via Signal chats.

The Russian state-sponsored threat group APT28 is using Signal chats to target government targets in Ukraine with two ...

Four REvil ransomware members arrested in January 2022 were released by Russia on time served after they pleaded guilty to ...

WhatsApp told SecurityWeek that it linked the exploited FreeType vulnerability CVE-2025-27363 to a Paragon exploit.