42 Technical and customer support services, namely, troubleshooting of computer software for use in issuance and management of digital certificates or encryption of a digital communication, or authentication of a digital signature in an electronic transaction or communication; development, design, and implementation services in the field of security, access, authorization, authentication encryption, and identification systems for computers, and computer networks, namely, installation of computer software; computer systems analysis in the field of security, access, authorization, authentication encryption, and identification systems for computers and computer networks; 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; enterprise software integration; computer consulting services in the field of security integration, network security, network architecture, encryption technology, and computer security; security verification of computer network firewalls, servers and other network devices from unauthorized access, namely, analyzing global computer information network and internal computer network vulnerability; scanning, detection and removal of viruses, worms, Trojan horses, adware and spyware or any other type of malware; computer services, namely, detection of viruses and threats; design and implementation of software and technology solutions for the purposes of protecting against counterfeiting, tampering and diversion, and to ensure the integrity of genuine websites