Some good resources here.
https://www.cyber.gov.au/acsc/view-all-content/alerts/optus-…
Optus has suffered a massive data breach, compromising the personal information of up to 9 million customers.
About 2.8 million customers have had all their personal details taken in the cyber attack, including their passport and licence numbers, email and home addresses, dates of birth and telephone numbers.
About 7 million had their dates of birth, email addresses and phone numbers stolen.
The breach involves both current and former customers.
This is worrying.
22/9: Optus’s statement.
Mod 26/9: Whirlpool - Check Optus Customer API
Does this affect MVNOs like amaysim?
Although OPTUS did acquire amaysim