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.