Windows, antivirus engines, and enterprise security tools all expect executables to be digitally signed. Previously, developers purchased an EV Code Signing Certificate, stored it on a USB token or ...

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 ...

Two more self-signed root certificates and corresponding private keys were found on Dell computers. eDellroot is not the only self-signed trusted root certificate on Dell computers. Researchers at Duo ...

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 ...

Microsoft has issued a security advisory today warning that two applications accidentally installed two root certificates on users' computers, and then leaked the private keys for all. The software ...

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 ...

A major dust-up on an Internet discussion forum is touching off troubling questions about the security of some browser-trusted HTTPS certificates when it revealed the CEO of a certificate reseller ...

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 ...

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 ...