A free TLS certificate from Let's Encrypt means you can add encryption to your network for no cost, so you don't have any more excuses for failing to encrypt.

Cyber criminals don't need access to sensitive information to blackmail their victims. Simply encrypting everyday files can be enough to extort money from users, whose data is only unencrypted after they pay a ransom – and possibly not even then.

Encrypting your data is becoming increasingly important, but you don’t always have to use an encrypted filesystem. Sometimes just encrypting files is enough.

The revelation of wide-spread government snooping has sparked a renewed interest in data storage security via encryption. In this article, we review some options for encrypting files, directories, and filesystems on Linux.

The controversial Web Cryptography API offers flexible encryption for web applications, but it also lays the groundwork for content providers to implement more powerful access restrictions through DRM.

Any implementation of the standards-based IPsec is supposed to work with any other implementation – but sometimes you need a little extra effort. This article tests some IPsec implementations to see how well they fit.