I bought a new virtual machine and I waited about a day until I logged in. The SSH logs showed over 100 failed login attempts. I hadn't even logged in! I cha

I bought a new virtual machine and I waited about a day until I logged in. The SSH logs showed over 100 failed login attempts. I hadn't even logged in! I changed the default SSH port to a random high number. I had zero failed login attempts in 2 months. Of course use strong security methods but I suggest changing the default port numbers just to clean up the log files.