Secure transaction services in the nature of computer security services, namely, providing tokenization services to increase data security in online transactions; Secure digital transaction services, namely, providing tokenization services to increase data security and flexibility in online transactions; Software as a service (SAAS) services featuring software for use in managing and validating compliance with the Payment Card Industry Data Security Standard (PCI DSS) and similar data security compliance frameworks, and for use in accessing third party information security services that fulfill requirements of said compliance frameworks; Software-as-a-service (SaaS) featuring software in the field of e-commerce, namely, for use in tokenization and secure transmission of cardholder data to third-party payment processors via a global network, for use in tokenization, secure storage, and management of cardholder data, for use in tokenization and secure storage of credit cards in an online wallet, for use in automated billing and subscription management, and for use in mobile point of sale applications; Software as a service (SAAS) services featuring software for collecting, segmenting, and storing sensitive data