This week I’m dealing with secure e-mail, and in particular the Transport Layer Security (TLS) protocol. The financial services company for which I’m consulting is setting up secure e-mail links with ...

Part 5 of a six-part article: The easiest way to test the encryption is to send an e-mail to the e-mail administrator of the domain you just configured and ask him/her to send you back the headers of ...

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The Transport Level Security (TLS) protocol is one of the few rock-steady spots in the rapidly changing computing industry, but that’s about to change as quantum computers threaten traditional ...

Microsoft plans to disable older versions of the Transport Layer Security (TLS) protocol, the ubiquitous communications encryption used to protect information sent over networks and the Internet.

Webmasters who patched their sites against a serious SSL flaw discovered in October will have to check them again. Researchers have discovered that the vulnerability also affects implementations of ...

The US National Security Agency has issued a security advisory [PDF] this month urging system administrators in federal agencies and beyond to stop using old and obsolete TLS protocols. "NSA ...

Organizations moving to the TLS 1.3 protocol must decide whether to deploy middleboxes that intercept network traffic for greater visibility, but doing so presents security and regulatory risks. To ...

In context: The Transport Layer Security (TLS) protocol is widely used to secure and encrypt internet communications, encompassing emails, instant messaging platforms, VoIP, and HTTPS web traffic.