TLS or Transport Layer Security is an encryption protocol. It is designed such that communication through TLS remains secure and private. In this post, I will explain what TLS handshake is and how to ...

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 ...

Do you know what SSL protocols you expose to your users? Are your settings optimized for security? Have you properly deprecated older TLS certs? Here's what you need to know. Most of us take Secured ...

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 ...

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 ...

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An aging core internet protocol is finally getting the ax by Microsoft Corp. But it wasn’t just last month’s announcement that the software vendor was ending support for versions 1.0 and 1.1 of ...

Quantum computing threatens today’s encryption. Why organizations must adopt hybrid, post-quantum TLS now.

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 ...