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Home » Authors » Brian Harrell
Brian Harrell

Brian Harrell

In 2018 Brian Harrell was appointed by the President of the United States to serve as the sixth Assistant Secretary for Infrastructure Protection at the U.S. Department of Homeland Security. He was also the first Assistant Director for Infrastructure Security at the Cybersecurity and Infrastructure Security Agency (CISA) and served at the North American Electric Reliability Corporation (NERC) where he was charged with helping protect North America's electric grid from physical and cyber-attack. Mr. Harrell serves as a strategic advisor to Shooter Detection Systems and is a member of the Security Industry Association’s Board of Directors. Mr. Harrell has also spent time during his career in the US Marine Corps and various private sector agencies with the goal of protecting the United States from security threats. Image courtesy of Harrell

Contributing Writer
Articles

ARTICLES

X-ray of gun in purse
Security Strategy

How CSOs Can Win Board Support for Gunshot Detection Technology

Guiding executive leaders and board members understand these factors through the decision-making process.
Brian Harrell
Brian Harrell
April 17, 2026

How CSOs can win board support for gunshot detection technology.


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Capital building
Enterprise Services

Public and Private Collaboration Can Help Bolster our Cyber-Posture

Through collaboration, security leaders can address fragmented approaches to cybersecurity within the U.S.
Brian Harrell
Brian Harrell
September 5, 2025

Through collaboration, security leaders can address fragmented approaches to cybersecurity within the U.S.


Read More
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