A/360, “ATSC 3.0 Security and Service Protection”Approved: 11 August 2026

This standard specifies the mechanisms for security and service protections in ATSC 3.0 systems.

Download current version: A/360:2026-08, “ATSC 3.0 Security and Service Protection,” 11 August 2026. Schema files can be found here: atsc-schemas.org

Previous Versions

There are multiple versions of this document. Please be sure to download the desired version. For amendments, the text includes a list of changes, the rationale for the changes, and compatibility considerations. The following documents are listed by date, with the most recent first.

2026

Download A/360:2026-04, “ATSC 3.0 Security and Service Protection,” 14 April 2026. This version of the Standard is normatively referenced in A/300:2026-04.

Download A/360:2026-04 Amendment No. 1, “OSCP”, approved 11 August 2026.

2025

Download A/360:2025-07, “ATSC 3.0 Security and Service Protection,” 17 July 2025. This version of the Standard is normatively referenced in A/300:2025-07.

2024

Download A/360:2024-04, “ATSC 3.0 Security and Service Protection,” 3 April 2024, and accompanying schema. This version of the Standard is normatively referenced in A/300:2024-04.

2023

Download A/360:2023-12, “ATSC 3.0 Security and Service Protection,” 12 December 2023, and accompanying schema.

Download A/360:2023-08, “ATSC 3.0 Security and Service Protection,” 15 August 2023, and accompanying schema.

Download A/360:2023-08 Amendment No. 1, “MMT Signing”, approved 12 December 2023.

Download A/360:2023-03, “ATSC 3.0 Security and Service Protection,” 28 March 2023, and accompanying schema. This version of the Standard is normatively referenced in A/300:2023-03.

Download A/360:2023-03 Amendment No. 1, “MMT DRM”, approved 15 August 2023.

2022

Download A/360:2022-11, “ATSC 3.0 Security and Service Protection,” 14 November 2022, and accompanying schema.

Download A/360:2022-05, “ATSC 3.0 Security and Service Protection,” 2 May 2022, and accompanying schema.

Download A/360:2022-05 Amendment No. 1, “Remove Reference to CTA 2053”, approved 14 November 2022.

Download A/360:2022-03, “ATSC 3.0 Security and Service Protection,” and accompanying schema, 31 March 2022. This version of the Standard is normatively referenced in A/300:2022-04.

Download A/360:2022-03 Amendment No. 1, “Clarify CDT GZIP Requirement”, approved 2 May 2022.

Download A/360:2022-01, “ATSC 3.0 Security and Service Protection,” approved 10 January 2022, and accompanying schema.

2021

Download A/360:2019, “ATSC 3.0 Security and Service Protection, with Amendment No. 1 and Amendment No. 2”, and accompanying schema, 16 February 2021. This document has A/360:2019 Amendments No. 1 and No. 2 integrated into the standard. This version of the Standard is normatively referenced in A/300:2021.

2019

Download A/360:2019, “ATSC 3.0 Security and Service Protection”, approved 20 August 2019. This version of the Standard is normatively referenced in A/300:2019 and A/300:2020.

Download A/360:2019 Amendment No. 1, “A/360 Schema”, approved 22 May 2020.

Download A/360:2019 Amendment No. 2, “Signing Modifications”, approved 16 February 2021.

Download A/360:2019 Amendment No. 3, “cbcs”, approved 06 January 2022.

Download A/360:2019 Amendment No. 4, “Section 5.2.2.6”, approved 10 January 2022.