John Bryk
Cyber and Physical Threat Intelligence Analyst, Downstream Natural Gas Information Sharing and Analysis Center (DNG-ISAC)

John Bryk

John Bryk retired as a colonel from the United States Air Force after a 30-year career.  As a senior officer, he was selected to serve as a military diplomat at U.S. embassies in Canada and in Central and Western Europe, including a tour as Assistant Air Attaché in Berlin.  Prior to retirement he was attached to the Defense Intelligence Agency, where he later continued to serve as a U.S. Intelligence Officer until joining the private sector in 2015.

As the threat intelligence analyst for the U.S. Downstream Natural Gas Information Sharing and Analysis Center (DNG-ISAC), Colonel Bryk focuses on the protection of North America’s natural gas critical cyber and physical infrastructure.  His blog, Infrastructure Cyber Defender, appears online in CSO Magazine, where he shares a personal take on current cyber and physical issues. 

John holds an MBA, an MS in Cybersecurity, and an MA in Business and Organizational Security.  He maintains a certification as a Counterintelligence Threat Analyst, and serves on the Governing Board of the McAfee Institute. 

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