There are currently four versions of the TLS protocol-TLS 1.0, 1.1, 1.2 and 1.3 (latest )-but older versions, TLS 1.0 and 1.1, are known to be vulnerable to a number of critical attacks, such as POODLE and BEAST. All major web browsers, including Google Chrome, Apple Safari, Microsoft Edge, Internet Explorer, and Mozilla Firefox, altogether today announced to soon remove support for TLS 1.0 (20-year-old) and TLS 1.1 (12-year-old) communication encryption protocols.ĭeveloped initially as Secure Sockets Layer (SSL) protocol, Transport Layer Security (TLS) is an updated cryptographic protocol used to establish a secure and encrypted communications channel between clients and servers.
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