RADIUS didn’t fail — certificate trust did, proving one forgotten root CA can bring modern network access to a full stop.

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 ...

The majority of certificate outages don’t begin with a breach alert. They are silent at first. One day, a browser warning ...

The Web cert world has undergone a lot of change this year, and Google has now set a June 2026 deadline for being even stricter about which certificates can be used for which functions. Historically, ...

Microsoft cited progress on enabling phishing-resistant authentications for organizations, in a Friday announcement. The announcement highlighted FIDO2 preview support for iOS and MacOS apps, ...

The machine certificate on the RAS server has expired The trusted root certificate to validate the RAS server certificate is absent on the client VPN server name as given on the client doesn’t match ...

Okay, I must be missing something here. One of the domains I manage doesn't have its own CA yet, but does have a DigiCert wildcard certificate for securing some internal HTTPS connections. Up till now ...

Microsoft on Wednesday announced improvements to its Azure Active Directory Certificate-Based Authentication (CBA) preview, which promises to provide an alternative to federated-based authentication ...