So the first thing done when seizing a computer storage devices is to hook it up to a device that read only capabilities and make 1 to 1 copies.

https://www.digitalintelligence.com/products/forensic_duplic...

This is done for chain of custody reasons but would also effectively circumvent your security.

You need to have your storage medium self destruct if it is hooked up to a system other than the one it was paired with.

This system would have to rely on the logic board of the storage device so you would have to harden that so that a swap of the logic board also renders the storage device inoperable.