While not a safe, there are tamper-resistant computers that are embedded in safe-like enclosures. Some of them have explosives to make sure even things like RA

While not a safe, there are tamper-resistant computers that are embedded in safe-like enclosures. Some of them have explosives to make sure even things like RAM chips can't be recovered if they sense tampering. [1] I've worked in the civilian wing of a company that did this stuff. What I dealt with just enough power to wipe crypto keys if they sensed things like a tilt, air pressure change, or power loss. I'm sure the military side of the company had fun things to deal with. [1] https://www.cl.cam.ac.uk/~rja14/Papers/SE-14.pdf https://www.cl.cam.ac.uk/~rja14/Papers/SE-14.pdf