There are numerous commands for encrypting files on Linux. When you want to limit access to file contents, you can use file permissions but file encryption makes limiting access much more effective.

I’ve only recently been motivated to encrypt a small portion of my email. Though I’ve been familiar with various encryption methods for a long time and PGP in particular, I found that I had to step ...

If you're a Gmail user spooked by Chinese cyber attacks on Google, here's a way to encrypt your e-mail. Be warned: better security comes at a cost. Stephen Shankland worked at CNET from 1998 to 2024 ...