Digital certification and security services, namely, providing encryption of data; computer consultation in the field of network security and in the field of authentication of digital signatures in an electronic transaction or communication; design of computer hardware, software, computer system specifications and communication system specifications used for network security and authentication of digital signatures and identities in an electronic transaction or communication; technical support services, namely, troubleshooting in the nature of diagnosing of computer hardware and software problems via telephone, email and in person

Issuance and validation of digital certificates for providing authentication of the source of a digital communication, authentication of identity and/or of a digital signature in an electronic transaction or communication, and for authentication of identity for physical or logical access control