Let's Encrypt has announced details of its overall policy regarding certificates issued going forward, including 'certificate chain renewal,' 'removal of TLS client authentication EKU (Enhanced Key ...

The Microsoft Entra ID Conditional Access service is now previewing more "granular" controls over certificate-based authentication methods, per a Tuesday announcement. The more granular controls, at ...

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 ...

Microsoft released two optional security updates Tuesday to block digital certificates that use the MD5 hashing algorithm and to improve the network-level authentication for the Remote Desktop ...

Public key infrastructure (PKI) — first introduced by Whitfield Diffie and Martin Hellman in an IEEE paper in 1976 — has secured web communications like clockwork for decades. For every site visit, ...