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FIDO definition: What is the FIDO Alliance and what does FIDO stand for?
The FIDO (fast identity online) Alliance is an industry association that aims to reduce reliance on passwords for security, complementing or replacing them with strong authentication based on public-key cryptography. To achieve that goal, the FIDO Alliance has developed a series of technical specifications that websites and other service providers can use to move away from password-based security. In particular, the FIDO specs allow service providers to take advantage of biometric and other hardware-based security measures, either from specialized hardware security gadgets or the biometric features built into most new smartphones and some PCs.