Electronic security token in the nature of a fob-like device used by an authorized user of a computer system to facilitate authentication; biometric identification apparatus for use by an authorized user of a computer system to facilitate authentication; downloadable computer software for authenticating user identification and facilitating device attestation

Providing user authentication and device attestation backend services using public-key cryptographic technology in e-commerce transactions; Computer security services in the nature of providing authentication of digital certificates for user identification and device attestation via a secure binding process between a device and a backend server; Computer security services in the nature of providing authentication of digital certificates for user identification and device attestation in order to authorize financial transactions; providing temporary use of online non-downloadable computer software for authenticating user identification and facilitating device attestation