As the Optus hacker appears to release data of 10,000 customers, Optus CEO Kelly Bayer Rosmarin says the Australian police are investigating a ransom demand (Angus Whitley/Bloomberg)

Angus Whitley / Bloomberg:
Experts say the Optus hack could cost parent Singtel $420M to $560M for the 2.8M worst-affected customers; Singtel made $1.44B in profit in its fiscal year 2022  —  The cost for Singapore Telecommunications Ltd. to make good customers exposed to one of Australia’s worst data breaches risks wiping …

Alice Uribe / Wall Street Journal:
Australian telecom Optus suffers a cyberattack, potentially giving the hacker access to data on up to 9.8M customers, per the CEO; the police are investigating  —  Australian telecoms company says mass breach could have exposed birth dates, phone numbers and other personal data

Renju Jose / Reuters:
Australia proposes changes to its consumer privacy rules post the Optus hack, enabling telcos to share IDs with banks for better monitoring during data breaches  —  Australia on Thursday proposed an overhaul of consumer privacy rules that will help facilitate targeted data sharing between …

Josh Taylor / The Guardian:
Australian telco Optus, which has suffered a massive cyberattack, has repeatedly opposed changes to privacy laws to give customers more rights over their data  —  In its submission to Privacy Act review telco said giving people right to erase personal data would involve ‘significant’ hurdles and costs

Nigel Gladstone / Sydney Morning Herald:
A hacker leaks 5TB of data from the Colombian government, exposing the identities and methods of Australian Federal Police anti-narcotics agents  —  A massive leak of classified government documents has exposed the identities and methods of secret agents working to stop major drug importations to Australia.

Tom Giles / Bloomberg:
Filing: Twitter says Elon Musk is under a federal investigation related to his acquisition of the company and asks for access to docs he gave to authorities  —  Billionaire Elon Musk is being investigated by federal authorities related to his attempted acquisition of Twitter Inc. …