A yearly scan of exposed ports has revealed that there are nearly 10 million devices with open Telnet ports connected to the Internet as we speak, opening themselves to brute-force attacks from IoT ...

Bad actor obtained passwords for servers, home routers, and smart devices by scanning internet for devices open to the Telnet port. A hacker has published a list of credentials for more than 515,000 ...

I once new a way of checking for an open relay by telneting into port 25 on the smtp server. I have since forgotten. Can anyone reffresh my memory as I dont want to leave my mail server open to ...

Mirai took advantage of insecure IoT devices in a simple but clever way. It scanned big blocks of the internet for open Telnet ports, then attempted to log in default passwords. In this way, it was ...