Authentication protocols serve as the backbone of online security, enabling users to confirm their identities securely and access protected information and services. They define how claimants (users ...

Cisco Systems Inc. has developed a new wireless LAN security protocol designed to defeat brute force dictionary attacks that capture a user’s passwords, and it submitted a draft of the protocol to the ...

Password authentication contains a lot of assumptions about security and trust. Encrypted SSH tunnels and public key verification are two common ways to ensure that your password is not compromised in ...

Account administration in a distributed UNIX/Linux environment can become complicated and messy if done by hand. Large sites use special tools to deal with this problem. In this article, I describe ...

A design flaw in the decades-old RADIUS authentication protocol allows attackers to take over network devices from a man-in-the-middle position by exploiting MD5 hash collisions. The “secure enough” ...

Microsoft issued an advisory warning of a weakness in the PEAP authentication protocol for Windows Phone 8. Microsoft issued a security advisory on Sunday, warning of a potential data leakage issue ...

Organizations that delayed retiring the legacy IKEv1 VPN protocol are now facing an actively exploited authentication bypass ...

Critical Check Point VPN flaw CVE-2026-50751 is being exploited to bypass passwords in IKEv1 Remote Access setups.