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GeezerVison is showing www.cisa.gov — Home Page | CISA

November is Critical Infrastructure Security and Resilience Month

Resolve to be Resilient!

Learn More

Joint Fact Sheet US Government Partners Urge Hardening Industrial Refrigeration and Cold Chain Monitoring Systems

CISA, Partners Release Fact Sheet to Secure Industrial Refrigeration Systems

Malicious cyber actors are targeting industrial refrigeration and cold chain monitoring systems. Review our joint fact sheet for steps to reduce public internet exposure, strengthen access controls, apply patches, and monitor for unexpected activity.

Read the Fact Sheet
Guidance Post-Quantum Questions to Ask Your Vendors

CISA, ASD’s ACSC and NSA Release Guidance on Questions to Ask Vendors for The Transition to Post-Quantum Cryptography

Helps orgs assess vendor readiness for transitioning to post-quantum cryptography during procurement, contract renewals and vendor assurance. Use these questions to identify dependencies, evaluate transition plans and manage third-party risk.

Learn what to ask
Bubbles with pictures of different types of critical infrastructure and reads "Resolve to be Resilient Critical Infrastructure Security and Resilience Month 2026" with the CISA logo

It’s Critical Infrastructure Security and Resilience Month!

Take steps this November to bolster your resiliency. Find out how to better protect the systems that keep the country running.

Learn More
Red and blue swooping lines accent the edges of the graphic accompanied by three photos of CISA employees working in various indoor and outdoor settings

CISA 2030: Defend. Harden. Prevail.

CISA's new strategy outlines a clear roadmap to strengthen national cyber defense, prioritize the security of critical infrastructure, and mobilize resilience across the nation in an increasingly complex threat environment.

view strategy
Installed Base Program blue shield banner

CISA’s New Installed Base Program Webpage Highlights Vital Partnership with OEMs

Explore how CISA works with original equipment manufacturers (OEMs) to help critical infrastructure owners and operators secure vulnerable internet-exposed operational technology (OT) assets.

view program
Reads: "Blog" in a text bubble and "CISA Publishes Significate Updates to ScubaGear and ScubaGoggles" with the CISA logo in the bottom corner

CISA Publishes Significant Updates to ScubaGear and ScubaGoggles

Since initial release, CISA has diligently collaborated and worked with government and industry partners to update of ScubaGear and ScubaGoggles so they remain current and beneficial. 

Read Our Blog

News Updates

Nov 09, 2026
Press Release

CISA Announces Enhanced Reporting Form for Cyber Incidents

Nov 05, 2026
Press Release

CISA, FBI, HHS, USDA, and DOT Urge Critical Infrastructure To Strengthen Industrial Refrigeration and Cold Chain Monitoring Systems Cybersecurity

Nov 02, 2026
Press Release

CISA Kicks Off Critical Infrastructure Security and Resilience Month 2026

Oct 27, 2026
Blog

CISA Publishes Significant Updates to ScubaGear and ScubaGoggles

Oct 26, 2026
Press Release

CISA Unveils New Strategy to Strengthen National Cyber Defense and Critical Infrastructure Security

View More News

Latest Operational Information

Nov 10, 2026
Alert

CISA Adds Six Known Exploited Vulnerabilities to Catalog

Nov 09, 2026
Alert

CISA Adds Four Known Exploited Vulnerabilities to Catalog

Nov 06, 2026
Alert

CISA Adds One Known Exploited Vulnerability to Catalog

Nov 04, 2026
Alert

CISA Adds One Known Exploited Vulnerability to Catalog

Nov 03, 2026
ICS Advisory | ICSA-26-307-01

Subnet Solutions PowerSYSTEM Center

View All Alerts & Advisories Subscribe to Updates

How can we help?

All Audiences
Main St, street sign

Find Help Locally

Contact your Region

Assist Visits

Protected Critical Infrastructure Information

IT professional working at computers

Industry

Secure by Design

Information Sharing: A Vital Resource

PCII Program modernized

Joint Cyber Defense Collaborative expands

A small business worker making a transaction with a customer

Small and Medium Businesses

Cyber guidance for small businesses

Supplementing passwords

Doing business with CISA

Teenager boy and classmates in high school computer class

Educational Institutions

School Safety

Cybersecurity for K-12

K-12 School Security Product Suite

Protecting Our Future: Partnering to Safeguard K-12 Organizations from Cybersecurity Threats

All Audiences
Joint Cyber Defense Collaborative

JCDC unifies cyber defenders from organizations worldwide. This team proactively gathers, analyzes, and shares actionable cyber risk information to enable synchronized, holistic cybersecurity planning, cyber defense, and response.

JCDC
Stop Rasomware

StopRansomware.gov is the U.S. Government's official one-stop location for resources to tackle ransomware more effectively.

STOPRANSOMWARE
SAFECOM

SAFECOM works to improve emergency communications interoperability across local, regional, tribal, state, territorial, international borders, and with federal government entities.

SAFECOM

Additional CISA Resources

abstract cyber space

CISA Resources & Tools

CISA offers an array of free resources and tools, such as technical assistance, exercises, cybersecurity assessments, free training, and more.

Image of an event with speaker and participants

CISA Events

CISA hosts and participates in events throughout the year to engage stakeholders, seek research partners, and communicate with the public to help protect the homeland.

CISA Services Catalog

A single resource that provides you with access to information on services across CISA’s mission areas.

Employees pictured during training session

CISA Training

As part of our continuing mission to reduce cybersecurity and physical security risk, CISA provides a robust offering of cybersecurity and critical infrastructure training opportunities. 

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