Providing user authentication services using biometric hardware and software technology for e-commerce transactions; providing user authentication services using single sign-on technology for online software applications; authentication services; authentication services for computer security; user authentication services using technology for e-commerce transactions; computer security threat analysis for protecting data; it services for data protection; computer security services for protection against illegal network access; development of technologies for the protection of electronic networks; data security services [firewalls]; electronic monitoring of credit card activity to detect fraud via the internet; data encryption services; encryption, decryption and authentication of information, messages and data; data security services; provision of security services for computer networks, computer access and computerised transactions; providing temporary use of on-line non-downloadable software for processing electronic payments for travel bookings and reservations, including flights, transport, tours, hotels and temporary accommodation; design and development of electronic data security systems; electronic monitoring of personally identifying information to detect identity theft via the internet; cloud-based data protection services; monitoring of computer systems for detecting unauthorized access or data breach; electronic monitoring of payment transactions to detect fraud via the internet.