Microsoft to Retire RC4 Cipher in Active Directory by 2026

Microsoft to Retire RC4 Cipher in Active Directory by 2026

First seen 17 Dec 2025, 18:55 UTC •WebpronewsNews.YcombinatorScworld •24.3

Article Content

Browse articles
ThreatCluster

Microsoft is set to retire the RC4 cipher for administrative authentication in Active Directory by 2026. This decision addresses vulnerabilities that have been exploited in significant cyberattacks over the past decade. The move is part of a broader effort to enhance security standards in response to evolving threats.

How this analysis works

Extracted Entities

1 / 2