A novel attack vector combining browser cache exploitation and DLL proxying has emerged as a significant threat to organizations using Microsoft Teams and OneDrive.

Dubbed Browser Cache Smuggling, this technique allows attackers to bypass traditional security defenses by leveraging browsers’ caching mechanisms to deliver malware disguised as benign files.

security

A novel attack vector combining browser cache exploitation and DLL proxying has emerged as a significant threat to organizations using Microsoft Teams and OneDrive.

Dubbed Browser Cache Smuggling, this technique allows attackers to bypass traditional security defenses by leveraging browsers’ caching mechanisms to deliver malware disguised as benign files.