Microsoft Will Finally Kill an Encryption Cipher That Enabled a Decade of Windows Hacks

WIREDWednesday, December 17, 2025 at 10:30:00 AM
NegativeTechnology
Microsoft Will Finally Kill an Encryption Cipher That Enabled a Decade of Windows Hacks
  • Microsoft has announced the discontinuation of the RC4 encryption cipher, a long-standing vulnerability that has been exploited by hackers for decades, particularly in administrative authentication processes. This decision marks a significant step in enhancing security protocols within its Windows operating system.
  • The elimination of the RC4 cipher is crucial for Microsoft as it aims to bolster the security of its products and restore trust among users who have been affected by numerous cyberattacks leveraging this weakness. This move is part of a broader initiative to improve overall system integrity.
  • The decision to phase out RC4 reflects a growing trend in the tech industry to address outdated security measures that have been exploited over time. As Microsoft continues to evolve its security strategies, this action highlights the ongoing battle against cyber threats and the necessity for companies to adapt to emerging vulnerabilities in an increasingly digital landscape.
— via World Pulse Now AI Editorial System

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