The Internet Engineering Task Force (IETF) has approved version 1.3 of the Transport Layer Security (TLS), the key protocol that enables HTTPS on the web.

TLS 1.3 was approved by engineers at an IETF gathering in London last week. The approved document is the 28th version of the TLS 1.3 proposal that has been hashed out over the past four years.

TLS is the successor to SSL and version 1.3 was designed to prevent attacks that undermined client and server communications secured with TLS 1.2 and earlier versions.

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