What we know about the Optus cyber attack, and how to strengthen your online security


It is possible that both current and former Optus customers were involved in a data breach as a result of a cyber attack on the carrier.

Optus says it noticed “unusual activity” yesterday afternoon and is now working with the Australian Cyber ​​Security Center and the Australian Federal Police.

Here’s what we know about the attack and how you can boost your online security.

What type of data was disclosed?

Optus says the type of information that may have been disclosed includes:

  • Customer names
  • Birth dates
  • phone numbers
  • Email addresses

For a subset of clients:

  • addresses
  • Identity document numbers such as driver’s license or passport numbers

Optus says payment details and account passwords Not hacked.

In addition, Optus services, including mobile and home Internet, are not affected, and messages and voice calls have not been hacked.

The company says that the Optus services remain safe to use and operate as usual.

Who is affected by the cyber attack?

Optus CEO Kelly Bayer Rosmarin says: Both current and former clients You may have been affected by the cyber attack.

Rosemarine says the number of people affected is “significant” but she wouldn’t give an exact number, saying it’s still early days.

“We want to be absolutely sure when we go out and say how many are there,” she said in an afternoon interview on ABC.

“We are very disappointed that we are spending so much time and investing so much in preventing this from happening.

“Our teams have thwarted a lot of attacks in the past and we are very sorry that this attack was a success.”

A woman uses her phone outside an Optus store while a man looks at his phone.
Optus encourages customers to increase their vigilance across their accounts. (AAP: Dan Peled)

How can I enhance my cyber security?

While Optus says they “are not aware of any harm to customers,” the company encourages people to do so.high consciousness Via their accounts, including Looking for unusual or fraudulent activity and any notifications that look strange or suspicious.”

Optus recommended looking for reputable sources, such as the government’s Money Smart platform and the identity fraud page on the Australian Information Commissioner’s website.

For customers deemed to be high-risk, Optus says it will take “proactive personal notifications” and provide “specialized third-party monitoring services.”

Minister of Cyber ​​Security Claire O’Neill He says all Australians need to bolster their cyber defenses to help protect themselves.

The Australian Cyber ​​Security Center (ACSC) recommends:

  • Update Your devices to protect important information
  • Protect your accounts with Multifactor authentication
  • Backup Data regularly to the cloud or an external hard drive

The ACSC website has step-by-step instructions on how to apply these tips appleAnd the Android And the Windows devices.


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