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 ...

Google Mandiant released Net-NTLMv1 rainbow tables, showing how Microsoft Windows authentication can be cracked in hours.

Although password-based credentials have always been popular attack vectors, they’ve become even more enticing targets due to the emergence of cybercrime marketplaces and Malware-as-a-Service (MaaS).

Cybersecurity researchers have discovered a critical security vulnerability in RADIUS, a widely used network authentication protocol dating back to the 1990s that’s still in widespread use today.

New survey data indicates that organizations are pushing hard for passwordless authentication. A significant chunk of online account passwords in 2025 remain basic and easy to crack — a fact that will ...

Passwords are increasingly unsafe to use, with password security a more critical concern than ever. No matter how strong an employee's password is, hackers using advanced password cracking tools like ...

If you have given your trusted employees and key contractors remote access to your network via a client virtual private network (VPN), congratulations! By now, you have seen the productivity and cost ...

Nathan Eddy works as an independent filmmaker and journalist based in Berlin, specializing in architecture, business technology and healthcare IT. He is a graduate of Northwestern University’s Medill ...

Forbes contributors publish independent expert analyses and insights. I write about contemporary cybersecurity and online privacy issues. Before talking about what authentication is and how it works, ...