Maintaining, updating, design and development of computer software applications, namely, network efficiency improvement software; design and development of computer hardware applications, namely, network efficiency improvement hardware; services of engineers and scientists who undertake evaluations, estimates, research and reports in the scientific and technological fields, including technological consultancy; computer and technology services for securing computer data and personal and financial information and for the detection of unauthorized access to data and information, for example, computer virus protection services, data encryption services, electronic monitoring of personally identifying information to detect identity theft via the internet; software as a service (SaaS), platform as a service (PaaS)