How could a billing system attack shut down an OT network?
- Jul 22, 2021 12:50 am GMT
Yesterday, I attended an excellent webinar on a topic I’ve been waiting to have someone explain to me, “Consequence Driven Cyber Informed Engineering (CCE) – Resilience Strategies”. It was sponsored by Midwest Reliability Organization (MRO), and featured two longtime friends of mine: Jodi Jensen of WAPA and Sam Chanoski of INL. Since a recording will be available on MRO’s website soon, I won’t try to reiterate what was said in the webinar, other than saying it’s worth your while to listen to the recording.
What inspired me to write this post was Jodi’s statement, regarding the Colonial Pipeline ransomware attack, that Colonial had said that they shut down the actual pipeline (i.e. their OT network) because of the loss of their billing system (which was on the IT network). Of course, the IT network was compromised, so it had to be shut down and the machines rebuilt.
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