Microsoft Teams will use AI to detect phishing in external chats
Original title: Microsoft Teams to Use AI for Detecting Phishing Attacks Using Teams Conversations
Targeted Release runs through mid-November and worldwide availability is set for mid-December, with no admin setup required.
Microsoft will analyze Teams conversation context to detect phishing, impersonation, and social engineering, especially first chats with external contacts that contain no links or files. Message Center notice MC1519866, dated October 21, 2026, schedules Targeted Release for early to mid-November and general availability from early to mid-December. Detection may run silently at first. The system is for security only and does not retain message content for model training.
Unconfirmed: Worldwide availability dates are Microsoft's published schedule, not a confirmed finish.
- Roadmap 575288 covers Android, iOS, Mac, desktop, and web.
- Warnings may stay hidden while Microsoft validates detection quality.
- China mobile users may also get coverage for some internal chats.
- Users should verify unexpected support requests through a trusted channel.
- 1.Review guidance on unfamiliar external contacts and report suspicious or incorrect detections.
- 2.When a warning appears, verify the sender through a trusted channel before responding.
- 3.Do not share passwords, codes, or financial details in unexpected support chats.
- Vendors
- Microsoft
- Products
- Microsoft Teams
- Countries
- China
From the original article
3 min read at cybersecuritynews.com
Microsoft is preparing to add AI phishing detection to Microsoft Teams, using conversation context to spot scams that may contain no harmful links or attachments. The feature will focus mainly on first conversations with external contacts, where attackers can pose as trusted support staff and ask employees to share sensitive information. Microsoft detailed the change […]
By Guru Baran · cybersecuritynews.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.