Marcus Ranum

Bio

Marcus Ranum has been building computer security systems since the late 1980s, when he was an early innovator in designing Internet firewall systems and products. Since that time he has been involved in every aspect of the computer security field: writing, teaching, designing and developing products, consulting, and managing and founding successful product companies. He lives in Morrisdale, PA, with his wife, Katrina, and a small herd of horses, dogs, and cats.