A photo of a man's hand scanning an access card over a card reader with the outlined drawings of human bodies to the left representing the identities that could be on the card. One figure is red indicating an issue. The image reads Insider Threat Mitigation Guide.

New: Updated Insider Threat Mitigation Guide

Protect your organization from insider threats. This updated guide offers practical strategies for critical infrastructure stakeholders to establish or improve an effective insider threat mitigation program.

Download the Guide
An image of a computer motherboard that reads "Joint Cybersecurity Advisory China-Based Artificial Intelligence Companies Conducting Industrial-Scale Distillation Campaigns Against U.S. AI Companies"

CISA, NSA, and FBI Release Joint Advisory on Industrial-Scale AI Distillation Campaigns

Describes China-based knowledge distillation campaigns targeting U.S. frontier artificial intelligence (AI) models; includes tactics, techniques and procedures along with immediate actions companies can take to protect themselves.

Read the Advisory
Image of a key made out of light blue cyber nodes to represent protection in the cyber realm. Reads: Guidance Preparing for the Post-Quantum Era: A Call to Action

CISA and the G7 Cyber Security Working Group Urge Organizations to Begin Transitioning to Post-Quantum Cryptography

This call to action highlights the urgent need for organization to start planning for and transitioning to post-quantum cryptography (PQC) to protect their digital infrastructures as quantum computing advances.

Read the Call to Action
Honeycomb shapes with icons for telecommunications, water, and other critical infrastructure with a shield shape with a lock on top. The image reads, "Guidance: Communicating Under Pressure: Best Practices for Service Providers."

CISA and Partners Release Guidance to Help Service Providers Effectively Communicate During Outages

During service outages, clear communication matters. This guidance helps service providers plan for timely, accurate and ongoing communications that reduce panic and operational impact while maintaining trust.

Read the Guidance
Reads "National Insider Threat Awareness Month September 2026" next to a badge shape filled with images of 5 faceless people standing below icons of a building, a lock, a badge, an explosion, an eye, a camera with flash, a police badge, a human head with lighting bolt in the mind, a bomb, a bug, and an exclamation mark denoting a warning. All icons are meant to represent potential threats.

Strengthen your security

Stay vigilant. Join CISA’s National Insider Threat Awareness Month events, use our resources, and take steps to strengthen your insider threat program.

Learn More
Securing the Next 250 with CISA logo in the corner next to "Cybersecurity Awareness Month"

October is just around the corner!

Get ready for Cybersecurity Awareness Month with tools, tips, and other resources to help you organize your own activities.

View CISA's CAM Resources

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Information Sharing: A Vital Resource

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Joint Cyber Defense Collaborative expands

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

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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

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

STOPRANSOMWARE

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

SAFECOM

Additional CISA Resources

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CISA Resources & Tools

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

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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.

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CISA Services Catalog

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

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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.