They also suggested that non-Twitter Blue subscribers use an authentication app or a security key. Twitter announced that they are no longer allowing accounts to enrol in the text message/SMS method of 2FA unless they are Twitter Blue subscribers. This product release comes as recent changes occurred with Twitter and Apple. The keys also include serial numbers to meet current and future enterprise requirements. The keys are accessible through the YubiEnterprise Subscription program for enterprises or directly on Yubico's website for customers. The introduction of black Security Keys helps streamline manufacturing as Yubico meets heightened customer demand. The blackSecurity Key Series will include an etching on the back of the devices to differentiate from YubiKey models. The FIDO-only (FIDO2/WebAuthn and FIDO U2F) keys will fit a wide range of devices and be available in USB-A or USB-C formats.Īdditionally, the Security Key Series lineup will transition from blue to black in colour, bringing it into alignment with the long-time trusted, iconic look and feel of the flagship YubiKey 5 Series.

Following the announcement of Yubico's YubiEnterprise Subscription program in late 2022, Yubico has now announced the release of its Security Key series products.