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Free certificates

A Big Comparison of free SSL certificates: Let’s Encrypt vs. Basic DV by Symantec

This article is going to compare the certificates Let’s Encrypt and Basic DV by Symantec, both of which are offered exclusively to ZONER software customers. Basic DV is initiated by DigiCert, the world biggest certification authority. The certificate…

Jun 8, 2016 | Jindřich Zechmeister

Web Security

The OpenSSL CVE-2015-1793 bug - what you need to know

You must have noticed the discovery of another serious vulnerability of the OpenSSL encryption library. It was repaired immediately and today's article will inform you about the issue, tell you if this vulnerability concerns your server and if you need…

Jul 31, 2015 | Jindřich Zechmeister

Web Security

Logjam: How to Solve a Newly Discovered Vulnerability

From the discovery and description of Heartbleed vulnerability, more and more concepts of attacks on SSL/TLS protocol and related cryptography have been appearing regularly. This article focuses on the latest described vulnerability Logjam, which is related…

Jul 17, 2015 | Jindřich Zechmeister

Web Security

How to Achieve A+ Results in SSLlabs Test

Instructions are for anyone who manages their own server and wants to have the best possible SSL/TLS settings on their server. The instructions will help you no matter if you pay attention to maximal security or if you are simply competitive and want…

Jul 17, 2015 | Jindřich Zechmeister

SSL certificates

Ready Issuance – End of Repeated Verification

You must have experienced this before: you buy several certificates a year for your company and every time you do, you get a phone call from an authority verifying you again and again. A certificate authority really does need to verify repeatedly and despite…

Jul 8, 2015 | Jindřich Zechmeister