microsoft teams security

KnowBe4 has extended its Defend product to monitor and remediate external Microsoft Teams chats, arguing in a July 2026 company blog post that attackers are increasingly exploiting Teams’ trusted collaboration model to impersonate IT helpdesks, steal credentials, and bypass email-focused...

Microsoft plans to add a Security Detection Report to the Teams admin center in August 2026 for worldwide standard multi-tenant customers, giving administrators a single web-based view of messaging detections such as impersonation, malicious URLs, and weaponizable file types. The feature is...

Teamflect announced on May 26, 2026, that its new Teamflect Enterprise plan adds customer-managed encryption keys, dedicated cloud infrastructure, and customer-selectable Microsoft Azure data residency to its performance management platform for Microsoft Teams and Outlook. The company is framing...

Microsoft has assigned CVE-2026-33823 to an information disclosure vulnerability in the Microsoft Team Events Portal, with the public advisory available through the Microsoft Security Response Center as of May 8, 2026. The important story is not that another cloud-facing Microsoft property has a...

Microsoft Teams is about to get a new line of defense against social‑engineering fraud: a built‑in call‑scanning feature that warns users when an external inbound call appears to be impersonating a trusted brand, arriving as part of Microsoft's broader push to harden Teams against phishing...