In February 2026, Microsoft Defender Experts identified multiple phishing campaigns targeting workplace applications such as Zoom and Teams. These campaigns were attributed to an unknown threat actor using advanced social engineering techniques to deliver malicious executables disguised as legitimate software. The emails included PDFs and links that appeared harmless but were actually designed to trick […] The post Zoom and Teams Apps Targeted By Signed Malware Carrying RMM Backdoors appeared first on Cyber Security News.