How to Deal with Unauthorized Users

One day, while monitoring your server, you notice a user you do not recognize logged in through SSH or another method. What should you do in this situation?
First of all, do not panic. It may seem horrible, but is probably not as bad as you think. The fact that you still have control and a […]

Who is the user Nobody?

If you stare at the list of running processes on your server for long enough, you are bound to come across the user called “nobody”. Before you call a security expert and prepare to fight off a hacker, relax. While the username “nobody” may seem suspicious, it is actually supposed to be there.
On […]