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Cybersecurity & Infrastructure Security Agency
America's Cyber Defense Agency

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Report a Cyber Issue
America's Cyber Defense Agency
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Individuals and Families

Report a Cyber Issue
Organizations should report anomalous cyber activity and/or cyber incidents 24/7 to report@cisa.gov or (888) 282-0870.

Critical infrastructure is the foundation on which vital societal and economic functions depend. Recent major cyber incidents have had an impact on our critical infrastructure community and caused significant consequences to Americans who rely on it for everyday life.

The threats we face today, both digital and physical, have become more complex and diverse. In collaboration with the federal government, SLTT governments, and the private sector, CISA works tirelessly to strengthen our defense posture and protect the American people. 

CISA offers information to the general public about how to implement cybersecurity best practices, detect and avoid disinformation, keep our children and seniors safe online, and secure our communities from physical harm.   

Featured Content

4 Things You Can Do To Keep Yourself Cyber Safe

DEC 18, 2022 | BLOG
Your identity, financial data, and email contents are valuable. Cyber criminals cast as wide a net as possible to get to anyone they can.

Be Cyber Smart

Put your online safety on lock. Secure your network by keeping things fresh.

Privacy and Mobile Device Apps

DEC 18, 2022 | BLOG
Apps on your smartphone or other mobile devices can put your privacy at risk.

Featured Articles

Staying Safe on Social Networking Sites

FEB 01, 2021 | BLOG
The nature of social networking sites introduces security risks. There are certain precautions you should take.

What to Do - Bomb Threat

DEC 02, 2022 | STORY
Guidance on responding to receiving a bomb threat or finding a suspicious item. Prepare yourself so you can react appropriately during such events.

Contact Your Regional Office

CISA Region 1

Region 1

Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
CISA Region 2

Region 2

New Jersey, New York, Puerto Rico, U.S. Virgin Islands
CISA Region 3

Region 3

Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia
CISA Region 4

Region 4

Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee
CISA Region 5

Region 5

Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin
CISA Region 6

Region 6

Arkansas, Louisiana, New Mexico, Oklahoma, Texas
CISA Region 7

Region 7

Iowa, Kansas, Missouri, Nebraska
CISA Region 8

Region 8

Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming
CISA Region 9

Region 9

Arizona, California, Hawaii, Nevada, Guam, American Samoa, Commonwealth of the Northern Mariana Islands
CISA Region 10

Region 10

Alaska, Idaho, Oregon, Washington

Services

CISA has compiled a list of free tools and services to help the American public further advance their security capabilities. This living repository includes services provided by CISA, widely used open-source tools, and other free tools and services offered by private and public sector organizations.

View Services
Publication

Multifactor authentication (MFA) 

View Services

Publications

“Chatting with Kids about Being Online” Booklet

DEC 17, 2020 | PUBLICATION
A booklet designed to help guardians speak to their young kids, tweens, and teens about being safe online.
Download File (PDF, 4.89 MB)

CISA Cybersecurity Awareness Program Older American Resources

NOV 29, 2021 | PUBLICATION
While the Internet allows us to stay connected, informed, and involved with family and friends, any public environment requires awareness and caution.
View Files

Cybersecurity Awareness Program Parent and Educator Resources

NOV 29, 2021 | PUBLICATION
Resources and materials to help you start the discussion with your kids or students about rinternet usage and cybersecurity awareness.
View Files

CISA Cybersecurity Awareness Program Young Professional Resources

NOV 29, 2021 | PUBLICATION
As information you share on the Internet becomes increasingly accessible to others, what steps are you taking to manage your online brand? Find resources and materials to help protect your online identity.
View Files
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