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A hacker obtained the usernames and email addresses of more than 5 million Twitter accounts, including those belonging to celebrities, businesses, organisations, and many more, as a result of a weakness in its system.
"We want to let you know about a vulnerability that allowed someone to enter a phone number or email address into the log-in flow in the attempt to learn if that information was tied to an existing Twitter account, and if so, which specific account."
The Independent was the first to publish that Twitter was alerted early this year of a weakness in its system. If someone gave Twitter their email address or phone number, Twitter would notify them of any Twitter accounts to which the given information may be connected.
The issue surfaced for the first time in June 2021 but was fixed eventually. The company's assertion that it had no proof of a hacker using this exploit was challenged in July 2022, when it was claimed that the information of over 5.4 million users was allegedly being sold on a hacker forum for £25,000, approximately.
Threat Actor Share The Selling Price For Stolen Data
In an interview with BleepingComputer, the malicious actor acknowledged using a vulnerability in December 2021 to obtain the data. They have already been contacted by potential buyers, and they are presently selling the data for £25,000.
After carefully examining a sample of the stolen data, Twitter established that a malicious actor had definitely taken advantage of the vulnerability after learning about it in July. This allowed the malicious actor to exploit it before Twitter could fix it.
Twitter Will Individually Reach Out To Owners Of The Hacked Accounts
The microblogging service announced that it will immediately inform any accounts that were proven to have been harmed by the incident. The business acknowledged, meanwhile, that it is still unsure of whose accounts were impacted and that it is being cautious when dealing with "pseudonym accounts" that may be used by bad actors.
According to Twitter, there is currently nothing users can do to protect their data. However, they should enable two-factor authentication for all accounts to stop future security breaches.
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