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Mandatory requirementSecurity DirectiveEarlier revision

SD 1582-21-01D: Enhancing Public Transportation and Passenger Railroad Cybersecurity

TSA · October 22, 2025

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Summary

No summary from the source. Read the linked document.

Why it's on these mode pages

  • Passenger rail and transit: TSA directive number: SD 1582-21-01D (matched by rule)

Change history

  1. November 9, 2026: First collected by Watch

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