Marcus Ranum, CSO, Tenable Network Security, Inc.
Marcus J. Ranum, Chief Security Officer of Tenable Security, Inc., is an expert on security system design and implementation. He designed a number of groundbreaking security products including the DEC SEAL, the TIS Firewall Toolkit, the Gauntlet Firewall, and NFR's Network Flight Recorder intrusion detection system. He was founder and CEO of NFR. Mr. Ranum was a consultant to many Fortune 500 firms and national governments. He was a guest lecturer and instructor at numerous high-tech conferences. In 2001, he received the TISC Clue award for service to the security community, and he holds the ISSA lifetime achievement award. In 2005 Techno Security Conference named him Security Professional of the Year.
