Information technology services and computer, internet, and data security consultancy, namely, computer consulting services in the fields of computer security, computer network security, and electronic data security; Testing, analysis and evaluation of information technology systems and networks of others for the purposes of enabling organizations to ensure that such systems and networks comply with government and industry standards, all of the foregoing in the fields of information security, cyber security, operational security, data analytics, secure wireless networking and secure mobility, identity management, secure message handling, and enterprise risk management; Computer software development in the field of mobile applications; Design and engineering in the fields of computerized data management systems; Consultation, design and engineering in the fields of information technology systems, computer network security, namely, cyber security, computer system architecture design, computer networks, computer security, computer software, and IT system optimization; management of information technology systems