Marcus J. Ranum
Computer Scientist and Author

Born
November 5th, 1962
62 years ago
Category
Scientists & Innovators
Country
United States
Links & References
Contributions to information security and computer science include the development of firewalls and intrusion detection systems. Authored multiple works that explore network security principles and methodologies. Ranum's expertise has been influential in establishing standards for secure systems. Engaged in various roles in security consulting and advisory capacities, significantly impacting the landscape of cybersecurity.
Developed the first commercial firewall
Authored numerous influential security texts
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