List a rough overview for automated ssh login attacks

We all love to read log files, and for Linux I tend to simplify that search process if I know what I’m looking for. As you probably know many daemons and programs  logs to /var/log , but usually I don’t care to specify the file (like syslog or mysql.err etc) so I just do cat on all the files in the log dir.

So here’s a quick gem to list automated ssh attacks to your server:

$ sudo cat /var/log/* | grep BREAK-IN

Output: