Widely regarded as the ‘Nostradamus’ of IT security, Marcus J. Ranum created the first commercial firewall and has designed groundbreaking security products including the DEC SEAL, the TIS firewall toolkit, the Gauntlet firewall, and NFR's Network Flight Recorder intrusion detection system. FORTUNE 500 firms, national governments, and IT conferences regularly seek his expertise, experience, and vision when tackling security issues. He holds the TISC "Clue" award for service to the security community and International Systems Security Association's (ISSA) lifetime achievement award.