Hacker leaks passwords for more than 500,000 servers, routers, and IoT devices

A hacker has published this week a massive list of Telnet credentials for more than 515,000 servers, home routers, and IoT (Internet of Things) "smart" devices. 

TELNET?!?!? 

Who is still using Telnet???

More:

https://www.zdnet.com/article/hacker-leaks-passwords-for-more-than-500000-servers-routers-and-iot-devices/