Foreign hackers breached a US nuclear weapons plant via SharePoint flaws

As a company that supports OT systems we hate seeing level 5 in the Purdue model with direct write access to level 1 and 0.

Link describing the acronyms in the above comment:

https://www.paloaltonetworks.com/cyberpedia/what-is-the-purd...

Thanks CJ, I live with that chart, but forget maybe most don't. And to add 4 to level 2-0 can also be an attack vector, but seeing straight 5 to 1-0 happens more then people want to admit even with the "firewalls"