A coordinated campaign has been observed targeting a recently disclosed critical-severity vulnerability that has been present ...

Hackers are on the hunt for open telnet ports in servers after discovering that a version of the legacy client-server application protocol is vulnerable to an ...

The 11-year-old vulnerability likely impacts many devices that are no longer supported — and presents easy exploit even for ...

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 ...