USA Flag

Official website of the Department of Homeland Security

Sensitive Security Information (SSI)

Resource Overview

SSI shieldTSA is committed to securing America’s transportation systems by safely sharing Sensitive Security Information (SSI). SSI is information obtained or developed which, if released publicly, would be detrimental to transportation security.

We strive to balance our information sharing by keeping our programs transparent to the American public while protecting information that could be used to endanger lives.

Main Areas

Latest revision: 11 October 2012