The Australian Government Information Security Manual (ISM) is updated every month. Below is a list of previous updates in downloadable zip files. Format: ISM date updated (date of issue/reissue) ISM May 2020 (May 2020) ISM April 2020 (April 2020) ISM March 2020 (March 2020) ISM February 2020 (February 2020) ISM January 2020 (February 2020) ISM December 2019 (February 2020) ISM November 2019 (February 2020) ISM October 2019 (February 2020) ISM September 2019 (February 2020) ISM August 2019 (February 2020) ISM July 2019 (February 2020) ISM June 2019 (February 2020) ISM May 2019 (February 2020) ISM April 2019 (February 2020) ISM March 2019 (February 2020) ISM February 2019 (February 2020) ISM January 2019 (February 2020) ISM December 2018 (February 2020) ISM November 2018 (February 2020)
