Microsoft Teams to introduce Brand Impersonation Protection for calls
Summary
Hide ▲
Show ▼
Microsoft is rolling out a new security feature called Brand Impersonation Protection for Teams calls. This feature will warn users about potential social engineering attacks from external callers impersonating trusted organizations. The update will begin in mid-February and is enabled by default. The feature checks incoming VoIP calls for signs of brand impersonation and displays high-risk call warnings before suspicious calls are answered. Users can accept, block, or end flagged calls, with alerts persisting during conversations if suspicious signals continue. Microsoft advises IT departments to prepare support staff for questions about the new warnings and to update internal training materials.
Timeline
-
22.01.2026 18:28 1 articles · 23h ago
Microsoft Teams to add Brand Impersonation Protection for calls
Microsoft will roll out Brand Impersonation Protection for Teams calls in mid-February, warning users about potential social engineering attacks from external callers impersonating trusted organizations. The feature checks incoming VoIP calls for signs of brand impersonation and displays high-risk call warnings before suspicious calls are answered. Users can accept, block, or end flagged calls, with alerts persisting during conversations if suspicious signals continue.
Show sources
- Microsoft Teams to add brand impersonation warnings to calls — www.bleepingcomputer.com — 22.01.2026 18:28
Information Snippets
-
Brand Impersonation Protection will start rolling out to the targeted release ring in mid-February.
First reported: 22.01.2026 18:281 source, 1 articleShow sources
- Microsoft Teams to add brand impersonation warnings to calls — www.bleepingcomputer.com — 22.01.2026 18:28
-
The feature checks incoming VoIP calls from first-time external contacts for signs of brand impersonation.
First reported: 22.01.2026 18:281 source, 1 articleShow sources
- Microsoft Teams to add brand impersonation warnings to calls — www.bleepingcomputer.com — 22.01.2026 18:28
-
High-risk call warnings are displayed before suspicious calls are answered.
First reported: 22.01.2026 18:281 source, 1 articleShow sources
- Microsoft Teams to add brand impersonation warnings to calls — www.bleepingcomputer.com — 22.01.2026 18:28
-
Users can accept, block, or end flagged calls, with alerts persisting during conversations if suspicious signals continue.
First reported: 22.01.2026 18:281 source, 1 articleShow sources
- Microsoft Teams to add brand impersonation warnings to calls — www.bleepingcomputer.com — 22.01.2026 18:28
-
Microsoft advises IT departments to prepare support staff for questions about the new warnings and to update internal training materials.
First reported: 22.01.2026 18:281 source, 1 articleShow sources
- Microsoft Teams to add brand impersonation warnings to calls — www.bleepingcomputer.com — 22.01.2026 18:28