Providing temporary use of on-line non-downloadable computer software for use in the detection, prevention, mitigation and management of online fraud, and for prepaid card fraud detection; Software as a service (SAAS) featuring software for use in financial account protection, secure commercial transactions, and detection, prevention, mitigation and management of online fraud and prepaid card fraud; Software as a service (SAAS) featuring software for use in electronically monitoring, detecting and reporting suspicious and abnormal patterns of on-line transaction activity indicating theft, fraud, or other criminal activity, and providing authentication services in e-commerce transactions; Electronic monitoring of prepaid card activity to detect fraud via the internet