Microsoft is rolling out security upgrades to Microsoft Teams aimed at mitigating long-standing vulnerabilities. The new features will automatically block executable files—such as .exe attachments—that are commonly weaponized by hackers. Additionally, Teams will now detect and warn users about malicious URLs shared within chats and channels. These enhancements are intended to reduce the human factor in malware and phishing attacks.
Complementing these protection mechanisms, Teams has integrated with Microsoft Defender for Office 365 Tenant Allow/Block List, enabling administrators to block or delete communications from specified domains directly from the Defender portal. These combined measures see Teams taking a more proactive and platform-level stance on security, reflecting a shift toward treating unified communications as central to enterprise cybersecurity, not a peripheral concern. Learn more on UC Today.