system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: could a hacker theoretically breach a bank and erase all the debt the banks have on file?

Could a hacker erase all records of mortgages and credit and if so what would the bank do?
gpt
Technically, yes, but realistically, no.

Most companies have back up centers located in different physical locations.

They also have back up tapes (think VHS tapes, but the size of N64 cartridges) for storing computer data. These are take out of the backup machine and stored, so they cant be accessed virtually.