Microsoft will finally kill obsolete cipher that has wreaked decades of havoc

Ars Technica — AllMonday, December 15, 2025 at 9:15:55 PM
Microsoft will finally kill obsolete cipher that has wreaked decades of havoc
  • Microsoft has announced the discontinuation of the RC4 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 software ecosystem.
  • The elimination of RC4 is crucial for Microsoft as it seeks to bolster its reputation in cybersecurity and protect users from potential breaches associated with outdated encryption methods. This move is part of a broader initiative to improve the overall security framework of its products.
  • This development reflects a growing trend in the technology sector where companies are increasingly prioritizing the deprecation of obsolete and insecure technologies. As Microsoft addresses the notorious Blue Screen of Death (BSOD) errors in its Windows operating system, the focus on eliminating vulnerabilities like RC4 underscores the ongoing commitment to enhancing user experience and data protection.
— via World Pulse Now AI Editorial System

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