A China-linked advanced persistent threat actor tracked as UAT-9244 has been targeting telecommunication service providers in South America since 2024, compromising Windows, Linux, and network-edge ...

Hackers are impersonating IT staff in Microsoft Teams to trick employees into installing malware, giving attackers stealthy access to corporate networks.

Microsoft's Defender Security Research Team has identified a series of phishing campaigns in which an unknown attacker used digitally signed malware masked as common workplace applications to deploy ...

Dubbed InstallFix by Push Security, the scheme inserts instructions to download malware during the Claude Code install process on cloned websites.