Matt Hayden (@wmatthayden) 's Twitter Profile
Matt Hayden

@wmatthayden

Technologist | Public Policy

Former Assistant Secretary of Homeland Security for Cyber, Infrastructure, Risk, and Resilience Policy

ID: 1362870045165158401

calendar_today19-02-2021 21:02:08

1,1K Tweet

337 Followers

1,1K Following

John Hultquist (@johnhultquist) 's Twitter Profile Photo

In light of the recent high-profile attacks on US and UK retail, we’re hosting a webinar next Wednesday on UNC3944, aka Scattered Spider. Get insight on the actor and expert advice on hardening the enterprise. brighttalk.com/webcast/7451/6…

The National Security Institute (@masonnatsec) 's Twitter Profile Photo

Watch on YouTube: youtu.be/mGi6DTq2P88 Listen on Spotify: open.spotify.com/episode/2cnULI… Hear more from our experts on Episode 453: Syria's New Chapter—Sanctions, Strategy, Strategic Risk. With our hosts: Lester Munson + Matt Hayden + Martha Miller + Jeffrey Wells

Watch on YouTube: youtu.be/mGi6DTq2P88 
Listen on Spotify: open.spotify.com/episode/2cnULI… 

Hear more from our experts on Episode 453: Syria's New Chapter—Sanctions, Strategy, Strategic Risk. With our hosts: <a href="/lestermunson/">Lester Munson</a> + <a href="/WMattHayden/">Matt Hayden</a> + <a href="/marthamillerdc/">Martha Miller</a> + Jeffrey Wells
ICS Village (@ics_village) 's Twitter Profile Photo

#criticaleffectdc is the successor to #hackthecapitol in DC this June. Virtual or in person attendance. Lots of great people and ideas for #criticalinfrastructure. ⚡ critical-effect.org

Fault Lines Podcast (@faultlines_pod) 's Twitter Profile Photo

🚨NEW: Ep 461: The Art of the Call Lester Munson + Morgan Viña + Jessica Jones + Matt Hayden unpack the phone calls between Trump and two world leaders: Russia’s Vladimir Putin and China’s Xi Jinping. 📺 Watch: youtu.be/FuBAbFK6o2E 🎧 Listen: open.spotify.com/episode/1C1LqS…

🚨NEW: Ep 461: The Art of the Call <a href="/lestermunson/">Lester Munson</a> + <a href="/morganlroach/">Morgan Viña</a> + <a href="/NotTVJessJones/">Jessica Jones</a> + <a href="/WMattHayden/">Matt Hayden</a> unpack the phone calls between Trump and two world leaders: Russia’s Vladimir Putin and China’s Xi Jinping.

📺 Watch: youtu.be/FuBAbFK6o2E
🎧 Listen: open.spotify.com/episode/1C1LqS…
FedScoop - @fedscoop.bsky.social (@fedscoop) 's Twitter Profile Photo

The CIA's chief AI officer is excited by the prospect of agentic AI, though she stopped short of connecting it to mission applications. scoopmedia.co/4mZEfiy

The CIA's chief AI officer is excited by the prospect of agentic AI, though she stopped short of connecting it to mission applications. scoopmedia.co/4mZEfiy
ICS Village (@ics_village) 's Twitter Profile Photo

Track 1: Critical Impact kicking off with Mehdi Tarrit Mirakhor, Adam Robbie, Kirk Lawrence Kevin E. Greene ‍ on Rethinking Cybersecurity from Volt Typhoon to Resilience by Design #criticaleffectdc ⚡

Track 1: Critical Impact kicking off with Mehdi Tarrit Mirakhor, Adam Robbie, Kirk Lawrence <a href="/iamkevtorious/">Kevin E. Greene ‍</a> on Rethinking Cybersecurity from Volt Typhoon to Resilience by Design

#criticaleffectdc ⚡
The National Security Institute (@masonnatsec) 's Twitter Profile Photo

#TUNEIN NSI Deputy Director @MarthaMillerdc will join Hena Doba on NewsNation at 7:25 am EST to discuss the latest out of the Iran and Israel conflict, as well as speaking on NATO. Catch George Mason University + Scalia Law School #inthenews!

#TUNEIN NSI Deputy Director @MarthaMillerdc will join Hena Doba on <a href="/NewsNation/">NewsNation</a> at 7:25 am EST to discuss the latest out of the Iran and Israel conflict, as well as speaking on NATO. 

Catch <a href="/GeorgeMasonU/">George Mason University</a> + <a href="/georgemasonlaw/">Scalia Law School</a> #inthenews!
CYBERWARCON (@cyberwarcon) 's Twitter Profile Photo

CYBERWARCON is back! Join us on Wednesday, November 19, 2025, in Arlington, VA + virtually. Follow us to stay up to date for CFPs, volunteer opportunities + more! Check out for more information + sponsorship opportunities >> cyberwarcon.com

CYBERWARCON is back! Join us on Wednesday, November 19, 2025, in Arlington, VA + virtually.

Follow us to stay up to date for CFPs, volunteer opportunities + more!

Check out for more information + sponsorship opportunities &gt;&gt; cyberwarcon.com
David DiMolfetta (@ddimolfetta) 's Twitter Profile Photo

🇨🇳SharePoint vulnerability update: "We assess that at least one of the actors responsible for this early exploitation is a China-nexus threat actor," Mandiant/Google Cloud CTO Chalres Carmakal says in a statement sent to me just now. My earlier reporting: nextgov.com/cybersecurity/…

🇨🇳SharePoint vulnerability update: "We assess that at least one of the actors responsible for this early exploitation is a China-nexus threat actor," Mandiant/Google Cloud CTO Chalres Carmakal says in a statement sent to me just now.

My earlier reporting:
nextgov.com/cybersecurity/…
David DiMolfetta (@ddimolfetta) 's Twitter Profile Photo

Moments ago - Senate confirms Sean Cairncross to be first national cyber director under President Trump. My story below: nextgov.com/people/2025/08…

McCrary Institute (@mccrarycyber) 's Twitter Profile Photo

Tonight, our Director Frank Cilluffo put out the following statement congratulating Sean Cairncross on his Senate confirmation making him our nation's next National Cyber Director. White House Office of the National Cyber Director Read the full statement: mccraryinstitute.com/sean-cairncros…

Tonight, our Director Frank Cilluffo put out the following statement congratulating Sean Cairncross on his Senate confirmation making him our nation's next National Cyber Director. <a href="/ONCD/">White House Office of the National Cyber Director</a>  Read the full statement: mccraryinstitute.com/sean-cairncros…
White House Office of the National Cyber Director (@oncd) 's Twitter Profile Photo

We are excited to share that today the U.S. Senate confirmed Sean Cairncross as the National Cyber Director. Read more here: whitehouse.gov/briefings-stat…

McCrary Institute (@mccrarycyber) 's Twitter Profile Photo

Breaking news on #ThreatBeat: Sean Cairncross confirmed as new national cyber director. Full coverage at threatbeat.com/sean-cairncros…

Breaking news on #ThreatBeat: Sean Cairncross confirmed as new national cyber director. Full coverage at threatbeat.com/sean-cairncros…
Fault Lines Podcast (@faultlines_pod) 's Twitter Profile Photo

🎙️NEW: Ep 484: Unconfirmed and Unprepared? Lester Munson + Jessica Jones + Bishop Garrison + Matt Hayden break down the #Senate stalemate on nominations across the Administration. 📺 Watch: youtu.be/eV_apnbbInk 🎧 Listen: open.spotify.com/episode/3sYZqM… The National Security Institute + NSI Cyber and Tech Center - GMU

🎙️NEW: Ep 484: Unconfirmed and Unprepared? <a href="/lestermunson/">Lester Munson</a> + <a href="/NotTVJessJones/">Jessica Jones</a> + <a href="/BishopGarrison/">Bishop Garrison</a> + <a href="/WMattHayden/">Matt Hayden</a> break down the #Senate stalemate on nominations across the Administration.

📺 Watch: youtu.be/eV_apnbbInk
🎧 Listen: open.spotify.com/episode/3sYZqM…

<a href="/MasonNatSec/">The National Security Institute</a> + <a href="/NSI_CTC/">NSI Cyber and Tech Center - GMU</a>