One chestnut from my history in lottery game development:
While our security staff was incredibly tight and did a generally good job, oftentimes levels of paranoia were off the charts.
Once they went around hot gluing shut all of the “unnecessary” USB ports in our PCs under the premise of mitigating data theft via thumb drive, while ignoring that we were all Internet-connected and VPNs are a thing, also that every machine had a RW optical drive.
I had to run experiments that generate a lot of data (think hundreds of megabytes per minute). Our laptops had very little internal storage. I wasn’t allowed to use an external drive, or my own NAS, or the company share - instead they said “can’t you just delete the older experiments?”… Sure, why would I need the experiment data I’m generating? Might as well /dev/null it!
Oh hey I was living this a few months ago!