Firefox, Chrome, Edge, Internet Explorer and Safari are all dropping support for older versions of the online security protocol TLS, used in practically any encrypted exchange online. While few people or machines are using the long-unsafe TLS 1.0 and 1.1, they’re still permitted in many connections — but not for long.
Transport Layer Security is a community-developed standard that got its 1.0 release nearly 20 years ago. It and its close relative, 1.1, have known flaws that make them unsafe to use for any secure communications. 1.2 addressed these major flaws in 2008 and is currently used by the vast majority of clients. 1.3, released earlier this year, both improves and streamlines the standard, but as yet has only a limited presence online as many servers and services haven’t been updated to support it.
By Devin Coldewey
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