PGP is difficult to replace. It’s very well supported, and frankly works sufficiently well (sure, it’s outdated, but so is SSH, TLS etc). There are other softwa

PGP is difficult to replace. It’s very well supported, and frankly works sufficiently well (sure, it’s outdated, but so is SSH, TLS etc). There are other software that might be more secure and user friendly, but PGP is also secure. A lot of extremely sensitive information is encrypted with pgp.