An introduction to PKI, TLS and X.509, from the ground up. Public Key Infrastructure (PKI) provides a framework of encryption and data communications standards used to secure communications over ...

SSH is a well-known mechanism for accessing remote computers in a secure way; thanks to its use of cryptography, nobody can alter or eavesdrop on the communication. Unfortunately, SSH is somewhat ...

A person's handwritten signature is relatively unique, so when someone signs a paper document, the signature verifies the signer. But how do you sign an electronic document? This is where a digital ...

As part of daily operations, small businesses may need to collect or exchange sensitive data that should be protected. It could be a financial transaction, a mailing address or some other personally ...

With the growth in use of the Internet for business transactions, the need for confidentiality and positive identification of all parties involved is increasingly vital. The use of encryption and ...

Recently, while scrolling through tweets related to security incidents, I came across discussions about My Number cards. If I ...

The digital equivalent of an ID card used in conjunction with a public key encryption system. Also called a "digital ID," "digital identity certificate," "identity certificate" and "public key ...