The private details of almost 100,000 Australian bank customers have been exposed in a cyber-attack on the real-time payments platform PayID. PayID allows the instant transfer of money between banks using either a mobile number or an email address. There is a risk that the stolen data could be used for fraud on a mass scale.

https://www.smh.com.au/business/banking-and-finance/australians-private-details-exposed-in-attack-on-westpac-s-payid-20190603-p51u2u.html