U.S. flag

An official website of the United States government

Breadcrumb

  1. Home
  2. For Industry
  3. Business/Industry
  4. Sensitive Security Information

Sensitive Security Information

What is SSI?

The SSI Program  50th Anniversary LogoSensitive Security Information is information that, if publicly released, would be detrimental to transportation security, as defined by Federal Regulation 49 C.F.R. Part 1520.

As persons receiving SSI in order to carry out responsibilities related to transportation security, TSA stakeholders and non-DHS government employees and contractors, are considered “covered persons” under the SSI regulation and have special obligations to protect this information from unauthorized disclosure.

What should I know about SSI Protections?

Read our SSI Best Practices and Quick Reference guides for a quick introduction to SSI handling, sharing, and destroying procedures.

Visit the US Government Publishing Office at GPO.gov for the latest version of the SSI Federal Regulation.

Resources

TSA Maintains SSI training for a variety of stakeholders to include: air cargo, transit bus, highway/motor carrier, maritime, pipeline, rail and mass transit, law enforcement, and fusion center, as well as expanded guidance and best practices for handling and protecting SSI. 

Click on the links below for more information.

FAQ

What is SSI?

Who may mark a document as SSI?

Where do I submit documents to identify SSI?

Are there any requirements for the type of lock used when storing SSI?

May all covered persons redact their own SSI?

What are the requirements for passwords?

Do all computers containing SSI need to be “TSA approved?”

Are there restrictions to specific types of email systems when sending SSI?

What should I do if I receive a suspicious request for SSI?

How do we handle requests for SSI information from covered persons?

What should I do when a company, government, transportation authority, or other covered person receives requests for SSI from the media or other non-covered persons?

Is SSI permitted to be shared with vendor partners that need to be engaged in helping achieve required actions?

Where do I learn more about SSI?

You have been selected to participate in a brief survey about your experience today with Transportation Security Administration. If you would like to take the survey please indicate by clicking the button below. Then feel free to complete the survey at your leisure after you are finished with tsa.gov.