. "Marcus J. Ranum"@en . "Marcus J. Ranum (born November 5, 1962 in New York City, New York, USA) is a computer and network security researcher. He is credited with a number of innovations in firewalls, including building the first Internet email server for the whitehouse.gov domain, and intrusion detection systems. He has held technical and leadership positions with a number of computer security companies, and is a Faculty member of the Institute for Applied Network Security."@en . "1962-11-05Z"^^ . . . "1962Z"^^ . . . "Researcher" . "Ranum, Marcus J."@en . . . .