Yeah it's definitely a valid concern, though the considerations for different solutions are a bit too elaborate for me to type out on mobile atm. Some ideas -

Yeah it's definitely a valid concern, though the considerations for different solutions are a bit too elaborate for me to type out on mobile atm. Some ideas - regularly testing backups also ensures you still have the key material - Shamir's Secret Sharing Scheme, in combination with putting it on paper or multiple devices or... - bank/company vault - hardware security token - give the master keys to the company's master (some tech director) and make it someone else's problem, if you want to be evil :)