You missed some. - SSH: Secure SHell (https://en.wikipedia.org/wiki/Secure_Shell https://en.wikipedia.org/wiki/Secure_Shell) - PKI: Public Key Infrastructure

You missed some. - SSH: Secure SHell (https://en.wikipedia.org/wiki/Secure_Shell https://en.wikipedia.org/wiki/Secure_Shell) - PKI: Public Key Infrastructure (https://en.wikipedia.org/wiki/Public_key_infrastructure https://en.wikipedia.org/wiki/Public_key_infrastructure) - US: United States (https://en.wikipedia.org/wiki/United_States https://en.wikipedia.org/wiki/United_States)