Many Australians still remember the 2016 census because of the online outage that dominated headlines on census night. It was the first time a majority of Australians were expected to complete the census online. The Australian Bureau of Statistics (ABS) took the online census offline after a series of distributed denial-of-service attacks. What did its latest cyber security audit find, and what can Australians do to protect themselves from scams while completing it online? Complete your census through the official census website, your myGov inbox if you’ve subscribed to census updates, or a paper form.