Subj : Re: Three Password Cracking Techniques and How to Defend Against Them
To   : Ross Branham
From : Kurt Weiske
Date : Sat Mar 01 2025 06:50:56

-=> Ross Branham wrote to TheCivvie <=-

 RB> The bots have been brutal lately. At times they'll tie up 3 or more
 RB> nodes trying to get in. Very annoying. I thought about changing the
 RB> telnet port to a 5 digit number. They don't seem to scan those higher
 RB> ports.

Back around 2015, we got all sorts of red alerts from the infosec team
at work, it appears one network drop was saturating the network and
taking it down for the users. We engaged the networking team to try and
find the location, but ended up going door to door because they didn't
keep maps of network drops.

As we walked over to one area, I heard the sound of computer fans at
full blast - a couple of them. Came over and saw what looked like a
crypto rig - except it was brute forcing network passwords. Seems that
the infosec "Sekr1t" team didn't feel they needed to let anyone else in
IT know, including infosec, and didn't bother doing it outside of
business hours!


 
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