Annual reports

GCSB Annual Report 2025

This is the annual report of the Government Communications Security Bureau (GCSB) for the year ended 30 June 2025.

Preface

This is the annual report of the Government Communications Security Bureau (GCSB) for the year ended 30 June 2025, presented for consideration and scrutiny by the Intelligence and Security Committee.

This report is presented to the House of Representatives pursuant to section 221 of the Intelligence and Security Act 2017.

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