I'm not surprised at all. Brute Fail: Watch brute force SSH attacks fail in real time https://brute.fail/. Hence, I suggest reading my OpenSSH best security practices guide for #Linux, #FreeBSD, and #Unix https://www.cyberciti.biz/tips/linux-unix-bsd-openssh-server-best-practices.html to secure your server against these bots. #infosec #security #sysadmin