微软近日正式宣布，将在 2026 年年中全面弃用 RC4（Rivest Cipher 4）加密算法 —— 这一曾广泛用于 Windows 网络身份验证系统、却早已被证明存在严重漏洞的过时技术。此举标志着长达三十多年的 RC4 时代即将落幕，也反映出微软在企业级安全治理上的重大战略调整。

Microsoft will disable RC4 by default in Windows Kerberos, pushing organizations to uncover and eliminate longstanding cryptographic weaknesses hidden in legacy ...

在企业网络安全领域，微软Active Directory（AD）作为核心身份验证系统，已陪伴无数用户走过25年。然而，其长期依赖的RC4加密算法，却因严重安全漏洞而饱受诟病。RC4（Rivest Cipher 4）由数学家Ron ...

RC4 encryption has been cracked for over a decade. Now Microsoft is slowly sweeping the last remnants, such as in Kerberos, away.

By mid-2026, Windows domain controllers will default to allowing only AES-SHA1, with RC4 disabled unless administrators explicitly re-enable it. Microsoft says eliminating RC4 proved complicated due ...

Microsoft is finally ripping out one of the weakest links in its identity stack, cutting off a legacy cipher that attackers have abused for years to walk straight into corporate networks. The move ...

Google and Mozilla today announced they’ve settled on a timeframe to permanently deprecate the shaky RC4 encryption algorithm. Google, Microsoft and Mozilla today announced they’ve settled on a ...

A fresh warning concerning the use of RC4 to support secure communication channels online has been issued after researchers were able to exploit the protocol to decrypt user data in mere hours.

Microsoft has announced that it will end support for RC4 encryption in its Microsoft Edge and Internet Explorer 11 web browsers next month. On April 12, it will no longer provide support for the RC4 ...

A Microsoft update that will disable the compromised RC4 stream cipher on Windows systems was released on Tuesday. The update is described in Security Advisory 2868725, but it seems to have gone ...

Join our daily and weekly newsletters for the latest updates and exclusive content on industry-leading AI coverage. Learn More Microsoft today announced that its browsers will stop supporting the RC4 ...