Ratification of Security Directives

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Homeland Security 6 CFR Chapter I 49 CFR Chapter XII ( printed page 6777) AGENCY: Office of Strategy, Policy, and Plans, Department of Homeland Security (DHS). ACTION: Notification of ratification of security directives. SUMMARY: The Department of Homeland Security (DHS) is publishing official notice that the Transportation Security Oversight Board (TSOB) has ratified Transportation Security Administration (TSA) Security Directive 1580-21-01B, Security Directive 1582-21-01B, Security Directive 1580/82-2022-01A, and Security Directive 1580/82-2022-01C applicable to owners and operators of critical rail entities (owners/operators). Security Directive 1580-21-01B and Security Directive 1582-21-01B extended the requirements of 1580-21-01 and 1582-21-01 series for an additional year, with minor revisions. Security Directive 1580/82-2022-01A and Security Directive 1580/82-2022-01C extend the performance-based requirements of the 1580/82-2022-01 series for an additional year and amends them to strengthen their effectiveness and address emerging cyber threats. DATES: The TSOB ratified Security Directive 1580-21-01B, Security Directive 1582-21-01B, and Security Directive 1580/82-2022-01A on November 22, 2023. The TSOB ratified Security Directive 1580/82-2022-01C on July 29, 2024. FOR FURTHER INFORMATION CONTACT: Thomas McDermott, Deputy Assistant Secretary for Cyber, Infrastructure, Risk and Resilience Policy, at 202-834-5803 or thomas.mcdermott@hq.dhs.gov . SUPPLEMENTAR…