Exceedingly useful

https://kyup.com/tutorials/protect-ssh-fail2ban/

Two factor makes a lot of sense if you worried about keystroke loggers or man in the middle attackes. Rule of thumb on a public PC or terminal.

A Strong password with 17 characters, 8 digits, a 6 letter word with lower caps and two random exclamation marks might take 2366889401798 years, 11 months to crack, but if it’s keystroke logged, it will be as funny as a cadaver falling off a table on top of a medical student.

(Adorable, horrifying and adorably Horrifying.)

https://www.theverge.com/2019/10/21/20925065/nordvpn-server-breach-vpn-traffic-exposed-encryption

https://www.csoonline.com/article/2130877/the-biggest-data-breaches-of-the-21st-century.html