Four years ago, a major computer outage at Japanese airline Nippon Airways occurred due to a relatively minor problem related to security authentication certificates. So why are certificates causing ...

Researchers say that threat actors looking for a covert channel for stealing data from a firewalled network can abuse X.509 certificates to hide and extract data without being detected. X.509 is just ...

Cisco has disclosed a bunch of vulnerabilities in its networking equipment, including one embarrassing bug that put the West's tech boogeyman inside the US firm's kit. Researchers at SEC Technologies, ...

Those using the Mozilla Firefox web browser are left unable to access Microsoft.com domain. Tests by BleepingComputer confirm the issue relates to SSL certificate validation errors. Below we explain ...

Cisco Talos today warned of a flaw in the X.509 certificate validation feature of Apple macOS and iOS that could let an attacker remotely execute code and steal information. X.509 security ...

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 ...

Researchers at Fidelis Cybersecurity have identified a new technique that attackers can potentially employ for covertly exchanging data using X.509 digital certificates. The method builds on previous ...

What is the point of deploying an enterprise digital certificate infrastructure if you can’t readily check the status of certificates being presented to your network? That’s the question keeping the ...