No, these systems do not and cannot exist today. There is no such thing as computer security[1]. We may get there some day, decades from now. But today, if your

No, these systems do not and cannot exist today. There is no such thing as computer security[1]. We may get there some day, decades from now. But today, if your data is on a networked computer, it should be treated as public. [1] Every day there is a new headline proving this. Here is today's: https://arstechnica.com/information-technology/2023/05/t-mobile-discloses-2nd-data-breach-of-2023-this-one-leaking-account-pins-and-more/ https://arstechnica.com/information-technology/2023/05/t-mob...