Development, design, implementation, testing, analysis, and consulting services in the field of security, access, authorization, authentication encryption, and identification systems for tablets; development, integration and operation of computer systems to support issuance and management of digital certificates; creation and implementation of procedures and practices for issuance and management of digital certificates; securing by the use of digital certificates, namely, computer security services in the nature of administering digital certificates; electronic signature verification and authorization services using technology to authenticate user identity; on-line authentication of user's digital signatures in electronic commerce; digital signature verification services; identity theft and fraud prevention services relating to electronic commerce, namely, electronic monitoring of personally identifying information to detect identity theft via the Internet; identification, authorization, authentication and verification of data using technology to authenticate user identity; securing of electronic and computer data exchanges by issuing and authenticating digital certificates; certification of legal documents through computer solutions for electronic signatures, evidence management, timestamping, secure file exchange and management of digital identities