{ads}

›

MS Teams Guest Access Can Remove Defender Protection When Users Join External Tenants

Written By Friday, 28 November 2025 Add Comment



November 28, 2025 at 02:03PM

Cybersecurity researchers have shed light on a cross-tenant blind spot that allows attackers to bypass Microsoft Defender for Office 365 protections via the guest access feature in Teams. "When users operate as guests in another tenant, their protections are determined entirely by that hosting environment, not by their home organization," Ontinue security researcher Rhys Downing said in a report

from The Hacker News https://ift.tt/vjfgPSp

0 Response to "MS Teams Guest Access Can Remove Defender Protection When Users Join External Tenants"

Post a Comment

Subscribe to: Post Comments (Atom)

Article Top Ads

Central Ads Article 1

Middle Ads Article 2

Article Bottom Ads