ShieldsUp

Prepare for, respond to, and mitigate the impact of cyberattacks.

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Secure by Design Alert: How Software Manufacturers Can Shield Web Management Interfaces From Malicious Web Activity

CISA Announces Secure by Design Alert Series: How Vendor Decisions Can Reduce Harm at a Global Scale

CISA leads the national effort to understand, manage, and reduce risk to our cyber and physical infrastructure. We continuously publish alerts and advisories to help defenders prioritize their work based on current threats and software vulnerabilities

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We Want to Ensure the Safe and Reliable Development and Use of AI

Guidelines for Secure AI System Development

CISA, NCSC and 21 international partners announced the #AISecurityGuidelines – a landmark piece of guidance putting cyber security at the core of the AI systems of the future.

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Healthcare and Public Health Cyber Security

Healthcare and Public Health Cyber Toolkit

Tools, resources, training, and information from CISA, HHS and the HSCC to help health organizations boost cybersecurity.

Read the Public Health Cyber Toolkit
Water and Wastewater Cybersecurity

Water and Wastewater Cybersecurity

Information and resources from CISA and EPA to help boost cybersecurity in water utilities. 

Read more on Water Cybersecurity
Shields Ready

Shields Ready

As the National Coordinator for critical infrastructure security and resilience, CISA stands ready to help America prepare for and adapt to changing risk conditions and withstand and recover rapidly from potential disruptions, regardless of cause.

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Critical Infrastructure Security and Resilience Month

Critical Infrastructure Security and Resilience Month

Today, we launched the 2023 Critical Infrastructure Security and Resilience Month! This year, we are asking everyone to Resolve to be Resilient.

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News Updates

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Latest Operational Information

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How can we help?

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Find Help Locally

Contact your Region

Assist Visits

Protected Critical Infrastructure Information

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Industry

Information Sharing: A Vital Resource

PCII Program modernized

Joint Cyber Defense Collaborative expands

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Small and Medium Businesses

Cyber guidance for small businesses

Supplementing passwords

Doing business with CISA

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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

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

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The Secure Our World program offers resources and advice to stay safe online. Each of us has a part to play; it’s easy to do and takes less time than you think!

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

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Additional CISA Resources

CISA Services Catalog

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

CISA Publications

Free cybersecurity tools and resources to help organizations advance their security capabilities.

CISA Regions

CISA provides regional cyber and physical services to support security and resilience across the United States.

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.