Optus data breach scams Scamwatch is urgently warning Australians to be on the lookout for increased scam activity following the recent Optus data breach and to take steps to protect themselves. Flubot scams Since August 2021, many Australians have been receiving scam text messages about missed calls, voicemails, deliveries and photo uploads. The text messages ask you to tap on a link to download or access something. COVID-19 scams Scammers are using the spread of COVID-19 (coronavirus) to take advantage of people across Australia. Medibank Private data breach Scamwatch is warning Australians to lookout for scams following the recent Medibank data breach and take steps to protect themselves.