The YubiKey 5C NFC is the world's most protective USB and NFC security key that works with more online services and applications than any other security key. Usernames and passwords are not enough to protect your accounts. Using a Yubico security key as a form of two-factor authentication is a simple and proven method for keeping your accounts secure. Secure your login and protect hundreds of services like Gmail, Facebook, Outlook, LastPass and more. This YubiKey delivers strong 2 factor authentication over Near Field Communications (NFC) and via USB-C ports. For business and personal use, Yubico USB password protecting products are designed to shield your online accounts from phishing and account takeovers making it extremely difficult to gain access to your most important files, pictures, emails and financial information. This portable security key is easy to set up and requires no battery or network connectivity. It offers touch-based authentication for NFC supported Android and iOS mobile devices and apps so you can stay connected and secure anywhere. The YubiKey 5 NFC is FIDO certified and works with Google Chrome or any FIDO-compliant apps on Windows, Mac OS or Linux. Once registered, each service simply requests you to insert and tap your Yubico NFC USB security key to gain access during login. With YubiKey 5C NFC, you get the same asymmetric cryptography and strong security used by individuals at 9 of the top 10 technology companies. Yubico pioneered the creation of the FIDO U2F and FIDO2 authentication protocols along with Google and Microsoft. Using the YubiKey, companies have seen zero successful phishing attempts.