Optus has suffered a security breach that it says may have compromised various customer data, including dates of birth, email addresses and passport numbers. The information of both current and former Australian mobile operator customers was affected in the security incident.
Optus said on Thursday it was looking into “possibility of unauthorized access” to customer data following a cyber attack, but did not disclose details about which systems were affected, when the breach was detected. or how many customers may be affected.
However, CEO Kelly Bayer Rosmarin said: “We were faced with a cyber attack that resulted in the disclosure of customers’ personal information to people who shouldn’t have seen it. know, we took action to block the attack and start an investigation immediately.”
Rosmarin notes that while not all customers may be affected, investigations are still underway.
According to Optus, the security breach may have compromised various customer data, including date of birth, phone number and email address, as well as additional information such as address and identity document details. include driver’s license and passport numbers for a specific group of customers.
Financial details and account passwords were not affected by the breach, the Australian operator said. However, it said major financial institutions had been notified of the breach. It also urges customers to monitor for unusual or potential fraudulent activities.
Optus said it has notified relevant authorities, including the Australian Federal Police, and is working with the Australian Cybersecurity Center on the incident.
The carrier participated in previous data security incident, including a 2013 breach in which an operator accidentally released the names, addresses, and mobile phone numbers of 122,000 customers without their consent. In a 2008 incident, Optus left the management ports of Netgear and Cisco Systems modems open to facilitate remote access, leaving customers who did not change the default admin password on the device vulnerable to attacks. .