Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Technical consultation in the field of telecommunications hardware, software, wireless, broadband, satellite and network communications equipment; computer consultation in the field of computer security, namely, secure communications systems and secure computer networks; engineering design services in the field of communication equipment and hardware; consulting with others about the design of specialized communication systems for others; technical support services, namely, troubleshooting computer, communications, and data transmission networks; technical consultation services, namely, analysis, development and implementation in the fields of communication systems, communication system security, software for secure network operations, encryption, network systems; Computer services, namely, remote management of electronic messaging systems and applications for others; updating of computer software for others using software patch authentication software; computer software design; maintenance of computer software; design of computer hardware