The grandparent comment is likely referring to the TOLA Act, which allows Australian police and intelligence agencies to issue for example technical assistance requests to decrypt or otherwise get access to whatever data they want.
As I understand it the oversight is relatively minimal and any company operating on Australian soil can be subject to such a request. Here's their government web page on it: https://www.homeaffairs.gov.au/about-us/our-portfolios/natio...
It passed around the end of 2018 and a lot of Australian companies (e.g. Atlassian) were not fans of it.