> Part of Defensive Depth includes vetting and requiring the janitor who cleans the SCIF to themselves also hold a security clearance. Sure, but no amount of v

> Part of Defensive Depth includes vetting and requiring the janitor who cleans the SCIF to themselves also hold a security clearance. Sure, but no amount of vetting is going to be perfect. Maybe the vetting missed something, maybe some circumstance changed between now and the most recent re-up, maybe instead of $10k it's $10M, etc. A better solution is to physically disable the USB ports.