Windows systems plan to gradually disable TLS 1.0/1.1 starting from September 1st

News on September 6, Microsoft recently released a support document announcing an important security update for its operating system. According to this document, Microsoft plans to phase out older TLS (Transport Layer Security) protocol versions starting from September 1 this year, which will affect Windows 10. Operating systems such as Windows 11 and Windows Server.

Transport Layer Security (TLS) is an Internet protocol used to secure communications between clients and servers. However, due to various security issues, Internet standards and regulators have abandoned or no longer allow the use of TLS Versions 1.0 and 1.1. Therefore, Microsoft has decided to gradually disable TLS starting on September 1st. 1.0 and 1.1 protocol versions, this change will be applied by default to future new Windows operating systems, including client and server versions.

While this change will have no impact on released Windows versions, starting in September 2023, Insider Preview builds of Windows 11 will have TLS disabled by default 1.0 and 1.1, this is an important change. For those users who need to maintain compatibility with older applications, they still have the option to re-enable TLS 1.0 or TLS 1.1. The tweak will have a relatively minor impact on Windows home users, but for business users, testing may be required to identify and update or replace any affected apps.

Microsoft's decision is to improve the security of the system, as multiple security vulnerabilities have been discovered in TLS versions 1.0 and 1.1 since their release in 1999 and 2006. Microsoft since Windows With support for TLS 1.2 added since Windows 8 and support for TLS 1.3 introduced in Windows 11, these higher versions of the TLS protocol feature stronger security and performance.

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