Who needs a blanket when Network Presence is here to provide some security. The company provides consulting and support services to protect computer networks against viruses and other threats to a company's digital data. Its consultants assess a network's vulnerability through penetration testing, install any necessary software and hardware, and then monitor the network security's effectiveness through intrusion detection. Its customers include hospitals, government agencies, banks, universities, entertainment firms, and insurance providers. The company installs products from a variety of vendors, such as Cisco Systems, Microsoft, Nortel, Symantec, and Trend Micro. Network Presence was founded in 1997.