Cybersecurity and Infrastructure Security Agency
@CISAgov
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We lead the National effort to understand, manage, and reduce risk to our cyber and physical infrastructure.
Washington, DC
Joined February 2018
🚨Pro-Russia hacktivist groups are attacking #CriticalInfrastructure, capitalizing on widely accessible virtual network computing devices. With @FBI, @NSACyber, @EPA, @ENERGY, @DC3Forensics & global partners, we outline the threat & how to reduce risk: https://t.co/9erAcutcf1
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Keeping our cyber ties strong across borders! 🪢 EAD Nick Andersen met with Israel’s National Cybersecurity Directorate in Tel Aviv—his first official international trip as CISA’s Cyber lead. Thank you to new Director General Yossi Karadi for having us! 🇺🇸🇮🇱🌐
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We’ve updated our Active Shooter Response Poster for public areas! Learn to recognize warning signs, identify escape routes, and follow safety protocols. Displaying this can reduce panic, empower decisions, and save lives. 👉 https://t.co/bwouBtZBQG
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Before you dash out the door for your holiday leave, lock up your data like you lock up the office. ✅ Log out ✅ Shut down ✅ Back it up Cyber Grinches love an unlocked office. https://t.co/dZJHjcLJNV
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🏆Operation #PresCup is LIVE: Registration is now OPEN! Start your mission and secure your place among elite agents: https://t.co/IykIRV9ZIw
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ICYMI! We launched the Industry Engagement Platform to strengthen industry engagement and collaboration. Learn more: https://t.co/0YvCkbWoYu
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📢 Our #SkillingAcademy is accepting applications for FY26 courses. Learn to identify and mitigate threats across networks, design, develop & deploy AI applications, and more! Apply today: https://t.co/EZgJpQZSLl
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🛡️We added Meta React Server Components remote code execution vulnerability CVE-2025-55182 to our Known Exploited Vulnerabilities Catalog. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org from cyberattacks. #Cybersecurity #InfoSec
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We teamed up with @PortNYNJ for a vessel tour as part of preparations for the special events of 2026. ⚓ The visit highlighted security priorities & the port’s economic impact. BIG thanks to our partners for safeguarding the critical infrastructure Americans rely on. 🇺🇸🚢
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What’s your favorite cookie? Any answer other than the ones that keep you safe online is wrong! Be a smart cookie and brush up on your digital literacy to safeguard yourself: https://t.co/dZJHjcLJNV
#GetCyberSmart2025
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Join our info session on December 11, 2025, to learn how to connect with a CISA expert through our new Industry Engagement Platform. Register today! 👉 https://t.co/N8UBnpTKB7
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🇺🇸🤝🇳🇱 Great minds, shared missions! Acting Director Madhu Gottumukkala met with @ncsc_nl Director, Matthijs van Amelsfort with a goal to strengthen the transatlantic cyber bond. Our partnership is charting a course for smarter, stronger information sharing. 🌐⚓
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🚨 PRC state-sponsored APT actors are using BRICKSTORM malware, a sophisticated backdoor, to target govt & #CriticalInfrastructure. Our 🆕 Malware Analysis Report, derived from an #IncidentResponse engagement, details IOCs & mitigation steps. Act now! https://t.co/SksUqLbhp0
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This holiday season, give yourself the gift of peace of mind by enabling multifactor authentication (MFA). This adds an extra layer of security by verifying your identity when logging in to an account. Follow these steps to protect your data: https://t.co/dZJHjcLJNV
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Join us as we welcome our new Chief of Staff, Andrew McCarthy! 🎉A veteran, strategist, and cybersecurity leader, Andrew brings deep experience from DHS, ODNI, and the intelligence community. Learn more about his journey to CISA: https://t.co/mUIXqA8YRE
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Our🆕guidelines provide Critical Infrastructure entities with the tools to implement #AI safely and securely. Make your operations robust against emerging risks. https://t.co/3tmkMjeGBh
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🛡️ We added Android framework vulnerabilities CVE-2025-48572 & CVE-2025-48633 to our Known Exploited Vulnerabilities Catalog. Visit https://t.co/myxOwap1Tf & apply mitigations to protect your org from cyberattacks. #Cybersecurity #InfoSec
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⚠️@CISAgov issued 3 🆕 & 2 updated public #ICS Advisories. These advisories provide info about current security issues, vulnerabilities, & exploits surrounding ICS. More at https://t.co/UWvRcmq11d
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🔍 December’s President’s Cup #GameOfTheMonth: "Ransom Where?" (PC5, R3)! In this challenge you will capture & analyze network traffic associated with malicious activities, perform malware analysis, & protect against future incidents. 🕹️ Play now: https://t.co/UG7akVunvH
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