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    Marcus J. Ranum - Wikipedia

    Marcus J. Ranum (born November 5, 1962, in New York City, New York, United States) 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 … See more

    Marcus Ranum was born in New York City, and graduated from Gilman School in Baltimore, Maryland before attending Johns Hopkins University where he obtained a Bachelor … See more

    Ranum helped design and implement Digital Equipment Corporation's Secure External Access Link (SEAL) (later AltaVista firewall), regarded as the first commercial bastion … See more

    Currently, Ranum lives in Morrisdale, Pennsylvania. His hobbies include photography and firearms. He maintains an active stock photography account on DeviantArt See more

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    Marcus has co-authored a series of "Face Off" articles with Bruce Schneier, which have appeared … See more

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  2. mjranum-stock - Hobbyist, Photographer | DeviantArt

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    Marcus J. Ranum (born November 5, 1962, in New York City, New York, United States) 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.
    en.wikipedia.org/wiki/Marcus_J._Ranum
    Ranum helped design and implement Digital Equipment Corporation 's Secure External Access Link (SEAL) (later AltaVista firewall), regarded as the first commercial bastion host firewall, in 1990. He left DEC to work for Trusted Information Systems (TIS) as chief scientist and development manager for Internet security products.
    en.wikipedia.org/wiki/Marcus_J._Ranum
    In addition to his various full-time positions, Ranum has also held board or advisory positions at NFR Security, Protego Networks, and Fortify Software. Ranum has spoken to USENIX audiences at LISA 1997, 1999 (tutorial) LISA 2000 (keynote), 2002, and 2003 (tutorial).
    en.wikipedia.org/wiki/Marcus_J._Ranum
    Three months after that IPO, Ranum formed his own company, Network Flight Recorder (NFR), and served as CEO for three years before stepping into a CTO role. Ranum later left NFR to consult for TruSecure, before joining Tenable Network Security as CSO.
    en.wikipedia.org/wiki/Marcus_J._Ranum
  4. Marcus J. Ranum's Photography

  5. Marcus J. Ranum - Security expert - TechTarget

  6. Security Q&A: the father of firewall | ZDNET

    Web ResultFeb 21, 2011 · Marcus J. Ranum is a world-renowned expert and innovator on IT security, whose pragmatic approach is lauded by …

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