Biosecurity measures Home > Antarctic operations > Travel & logistics > Cargo (freight) > Biosecurity measures What is Biosecurity? Learn how you can reduce the introduction of Biosecurity Risk Material to Antarctica and the subantarctic. What is Biosecurity Risk Material? Learn what cargo could present at biosecurity risk. Where to look for Biosecurity Risk Material Learn where to look for biosecurity risk material in your cargo. This content was last updated 1 year ago on 14 July 2020.