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TLS 1.0 and 1.1 will be disabled in Edge, IE, Chrome, Firefox and Safari in 2020

Microsoft, Google, Apple, and Mozilla have announced they will disable Transport Layer Security (TLS) versions 1.0 and 1.1 in their respective browsers in early 2020. 

TLS 1.0 and 1.1 will no longer be enabled by default for each of the companies’ browsers in the first half of 2020. TLS is the protocol used to encrypt and secure connections between sites and browsers. 

The joint disablement of TLS 1.0 and 1.1 aligns with the expected deprecation of TLS 1.0, which will turn 20 on 19 January 2019. The Internet Engineering Task Force (IETF) is likely to deprecate both versions later this year, according to Microsoft. 

“While we aren’t aware of significant vulnerabilities with our up-to-date implementations of TLS 1.0 and TLS 1.1, vulnerable third-party implementations do exist. Moving to newer versions helps ensure a more secure Web for everyone,” said Kyle Pflug, a senior program manager for Microsoft Edge.

“Complete support will be removed from Safari in updates to Apple iOS and macOS beginning in March 2020,” Apple said.