Cybersecurity researchers have identified a sophisticated campaign where threat actors are using malicious advertisements and search engine optimization poisoning to distribute fake Microsoft Teams installers containing the Oyster backdoor malware. The…

Microsoft has released comprehensive guidance for implementing certificate-based authentication in Windows Admin Center (WAC), providing administrators with enhanced security through smart card integration and Active Directory Certificate Services. Thi…

Attackers increasingly exploit Microsoft Exchange inbox rules to maintain persistence and exfiltrate data within enterprise environments.  A newly released tool, Inboxfuscation, leverages Unicode-based obfuscation to craft malicious inbox rules that slip past conventional security controls.  Developed by Permiso, the Inboxfuscation framework demonstrates how attackers can weaponize Exchange’s rule engine, creating stealthy persistence mechanisms that evade […] The post New Inboxfuscation Tool That Bypasses Microsoft Exchange Inbox Rules and Evade Detection appeared first on Cyber Security News.