Microsoft Teams strengthens messaging security by default in January

BleepingComputer

December 23, 2025 at 1:23 PM

Overview

Microsoft Teams is set to enhance messaging security by automatically enabling safety features starting in January. This change aims to protect users from potentially harmful content that could be flagged as malicious. By making these features default, Microsoft is proactively addressing the risks associated with messaging in its platform, which is widely used for business communication. The move is significant as it helps ensure that organizations and their employees have an added layer of security against threats that could compromise sensitive information. Users will benefit from these updates without needing to make manual adjustments, streamlining the process of maintaining secure communication.

Key Takeaways

Affected Systems: Microsoft Teams
Timeline: Disclosed on [date]

Original Article Summary

Microsoft Teams will automatically enable messaging safety features by default in January to strengthen defenses against content tagged as malicious. [...]

Impact

Microsoft Teams

Exploitation Status

No active exploitation has been reported at this time. However, organizations should still apply patches promptly as proof-of-concept code may exist.

Timeline

Disclosed on [date]

Remediation

Not specified

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Microsoft.

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