Microsoft Teams to add brand impersonation warnings to calls

Microsoft will soon add new fraud protection features to Teams calls, warning users about external callers who attempt to impersonate trusted organizations in social engineering attacks.

Named “Brand Impersonation Protection,” the new Teams security feature will start rolling out to the targeted release ring in mid-February and will be enabled by default.

According to Microsoft, the feature checks incoming VoIP calls from first-time external contacts for signs of brand impersonation and displays high-risk call warnings before suspicious calls are answered.

While users can accept, block, or end flagged calls, these alerts may persist during conversations if suspicious signals persist. These warnings aim to prevent social engineering attacks where scammers pose as legitimate businesses or government agencies to steal sensitive information or money from targets.

“Brand Impersonation Protection for Teams Calling adds proactive safeguards against fraudulent or…