Threatline

Microsoft Detects Growing Use of File Hosting Services in Business Email Compromise Attacks

Microsoft is warning of cyber attack campaigns that abuse legitimate file hosting services such as SharePoint, OneDrive, and Dropbox that are widely used in enterprise environments as a defense evasion tactic. The end goal of the campaigns are broad and varied, allowing threat actors to compromise identities and devices and conduct business email compromise (BEC) attacks, which ultimately result