Australia - like many countries - collects fingerprints and photographs from certain groups either when you get your visa or when you enter the country. And I’d

Australia - like many countries - collects fingerprints and photographs from certain groups either when you get your visa or when you enter the country. And I’d be shocked if their entry systems don’t capture 100% of passport photos at the border. I’d be slightly surprised if they don’t additionally correlate passport scans to security photos at the border to further enrich their dataset. Showing your passport is functionally equivalent to getting your picture taken. It ends up as a record in their databases that says John Smith, with these biometrics, purchased a SIM with this number.