The security of tens of thousands of websites is in question after the CEO of a company that sells HTTPS certificates included the private keys for 23,000 customers in an email—an apparent attempt to ...

Public and private key cryptography is a powerful solution. The former (asymmetric cryptography) involves a pair of keys that ...

The private key used to sign EU Digital Covid certificates has been reportedly leaked and is being circulated on messaging apps and online data breach marketplaces. The key has also been misused to ...

Certificate-based authentication is a cryptographic technique that allows one computer to securely identify itself to another across a network connection, using a document called a public-key ...

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 ...