Basics of protecting yourself online

Passwords

Security starts and — unforunately, more often than not — ends with password management.

Communication

Everything done online should be considered permanent. Google, Facebook, and others profit by knowing everything they can about their users. Encryption helps keep the content of your communication private from people other than the recipient.

Browsing

Besides employing common sense and caution, there are a few things one can do to stay safe while browsing the internet

Additional reading

If you want to learn more about security engineering, or cryptography, I highly suggest the following.