Users are recommended to register at least two U2F devices with every service provider, which may optionally also provide the user with a backup code should a U2F device be misplaced.- Texted or voice-called codes: The most common second factor for 2FA is a temporary four- or six-character digital or alphabetic code texted via SMS to your mobile phone. Yubico offer free and open source server software for back-end integration.
Yubico was the first to provide U2F devices, but users can today choose from a range of low-cost devices from multiple vendors, available at Amazon and other retail stores worldwide. U2F allows every service provider to be their own identity provider, or optionally let users authenticate through a federated service provider. Open standard backed by leading Internet and financial services, including Google, Bank of America and 170 companies in the FIDO Alliance. With this approach no secrets are shared among service providers, and even low-cost U2F devices can support any number of services.ĭesigned for existing phones and computers, for many authentication modalities (keychain devices, mobile phone, fingerprint reader, etc.) and with different communication methods (USB, NFC, Bluetooth). A U2F device generates a new pair of keys for every service, the public key is only stored on the specific service it connects to. Each user can also choose to have multiple identities, including anonymous (no personal information associated with the identity). No codes to re-type and no drivers to install.Īllows users to choose, own and control their secure online identity. Works out-of-the-box, enabling instant authentication to any number of services. Protects against phishing, session hijacking, man in the middle, and malware attacks. Strong 2nd factor authentication, using public key crypto and with native support in the browser (starting with Chrome).
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