AUTHENTICATION PROTOCOL SHATTERED — Ubiquitous RADIUS scheme uses homegrown authentication based on MD5. Yup, you heard right. Getty Images One of the most widely used network protocols is vulnerable to a newly discovered attack that can allow adversaries to gain control over a range of environments, including industrial controllers, telecommunications services, ISPs, and all manner of enterprise networks. Short for Remote Authentication Dial-In User Service, RADIUS harkens back to the days o...