
A connoisseur of fine security practices. Husband, father, Marine, and former Assistant Secretary at @DHSgov under POTUS 45.
Washington, DC
Joined March 2016
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Brian M. Harrell retweeted
Leading the charge in digital defense! Congratulations to Brian Harrell for winning the Prestigious Top Global CISO Award 2025 at CyberDefenseCon, recognized for groundbreaking leadership and innovation in cybersecurity. 👏 #CyberDefenseCon2025 #CISO #Leadership
Brian M. Harrell retweeted
New Orleans' #Terroristattack on Bourbon St New Year's revelers is not the 1st time suspected terrorists used car-ramming to kill. Recently a German Christmas market saw a similar attack. Here's a summary of when crowds were targeted the same way before. foxnews.com/us/new-orleans-t…
Brian M. Harrell retweeted
Opinion - Achieving energy resilience: Deep insight into threats, assets and national policy is the first step utilitydive.com/news/achievi…
Brian M. Harrell retweeted
Episode #175: "Safeguarding Today's Grid from Modern Threats" with Brian Harrell, Vice President and Chief Security Officer at AVANGRID [an Energy Central Power Perspectives™ Podcast] buff.ly/4dk52As
Brian M. Harrell retweeted
The SIA Nominations Committee has recommended four individuals to serve as members of the SIA Board of Directors for an initial two-year term and three individuals for a second two-year term pursuant to the SIA bylaws.
Learn more: securityindustry.org/2024/02… #securityindustry
Brian M. Harrell retweeted
ICYMI: My @ArkansasOnline guest column with @gridsecure about Act 525, the 2023 NDAA and protecting our Natural State from the CCP. ‘Protecting Arkansans, one drone at a time’ #arpx #arleg
arkansasonline.com/news/2023…
Brian M. Harrell retweeted
On Thursday, leaders from CMP met with members of state and local police, county sheriffs, Border Patrol, the FBI and other stakeholders to discuss a range of security issues regarding the safe and reliable transmission of power to Mainers, including the NECEC. 1/2 #mepolitics
Brian M. Harrell retweeted
.@CISAHarrell leads a discussion on mitigating risk from #insiderthreat w/experts Cathy Lanier of @NFL, Randall Trzeciak of @carnegiemellon, @marktw, Frank Cilluffo of @AuburnCyber & Stan Partlow of @AEPNews
Brian M. Harrell retweeted
Did you know that an expressed or implied threat could be an indicator of terrorism-related activity? If you see this happening, say something to local authorities. #SeeSay #ProtectYourEveryday
Brian M. Harrell retweeted
NEW! Updated Bag Search Procedures Guide. This can be useful for events, concerts, festivals and other public gatherings. dhs.gov/publication/public-v…
Brian M. Harrell retweeted
Replying to @CISAgov
@CISAgov continues to support major sports events and mass gatherings throughout the country including the #Daytona500 , #NBAAllStarWeekend, and the many #MardiGras parades this weekend in the @CityOfNOLA.
Brian M. Harrell retweeted
Be safe, be mindful of your surroundings, and enjoy the night with friends and family. #SeeSay
As you ring in the New Year, "If You See Something, Say Something®" reminds you to be aware of your surroundings tonight and report suspicious activity to local authorities.
#SeeSay
#protectyoureveryday
Brian M. Harrell retweeted
It’s official! Welcome Assistant Director for Infrastructure Security @CISAHarrell (being sworn in by Director @CISAKrebs).
Brian M. Harrell retweeted
I’m thrilled to be joining @CISAgov and working to secure our Nation’s infrastructure. Please follow me here for updates on all things #InfrastructureSecurity.
Brian M. Harrell retweeted
Brian Harrell has joined the Cybersecurity and Infrastructure Security Agency #CISA as the President’s pick to lead the Infrastructure Security Division go.usa.gov/xEqtT
Brian M. Harrell retweeted
This year, @DukeEnergy is being recognized for creating a physical security awareness program for its employees to reinforce and remind everyone of the risks of all breaches, however small bit.ly/2QtPaV6 #HomelandHeroes
Brian M. Harrell retweeted
.@DHSgov and @FBI partnered to develop the new Security and Resiliency Guide: Counter-Improvised Explosive Device (C-IED) Concepts, Common Goals, and Available Assistance. To access this free guide, visit: dhs.gov/publication/security…
Brian M. Harrell retweeted
#DYK @DHSgov offers resources on securing soft targets and crowded places? Learn more at bit.ly/SoftTargetSecurity
Brian M. Harrell retweeted
#Cybersecurity is national security. After passing unanimously in the House of Representatives today, Congress is sending legislation to stand up a cybersecurity agency in DHS. The bill is now on its way to @realDonaldTrump to be signed into law.
go.usa.gov/xPfdC
Brian M. Harrell retweeted
BREAKING: @RepMcCaul's landmark cybersecurity bill, the Cybersecurity and Infrastructure Security Agency Act, just overcame its final hurdle in the House before heading to @POTUS' desk. This bill is a critical step in better defending our nation against #cyber threats. #CISA






















