I hope your colleague had a paper trail of the alarms he raised when it came time to point fingers. For executives with limited IT experience I honestly don't

I hope your colleague had a paper trail of the alarms he raised when it came time to point fingers. For executives with limited IT experience I honestly don't know if there is a good solution, other than having them deal with the disaster and having a clear paper trail that points the finger in their direction. They won't make the same mistake twice.