Someone posted a database containing more than 200 million email addresses used for Twitter accounts on the dark web and is selling it for just a handful of dollars – just $2.
According to BleepingComputer, which managed to confirm the authenticity of at least some of the email addresses posted in the ad, this is not a new leak, but rather a recycling of the data that was previously leaked via a flawed API call.
Back in 2021, a Twitter API vulnerability was discovered that allowed threat actors to input either email addresses, or phone numbers, into Twitter, to see whether or not they were associated with an active Twitter account. Some might recall, when trying to log into Twitter with a valid email address or phone number, even if the password was incorrect, the platform would still display the ID and the profile name of the account associated with those credentials.
Cleaning up old leaks
Hackers then used a separate API to scrape the public Twitter data for the IDs and cross-referenced it with email data to generate a list of Twitter accounts.
A year later, in 2022, threat actors started selling databases generated this way. The initial database, containing more than five million entries, went up for sale in mid-2022 for $30,000. The database was subsequently brought down to 400 million entries (probably after eliminating duplicates, fake accounts, etc.), and now, it is down to precisely 221,608,279 lines.
Still, the publication found that this database also has duplicates and is not entirely clean.
In total, the threat actor published a set of six text files, combined in a .RAR archive, weighing some 59GB.
Each line in the file carries some identity (opens in new tab)-related information: a Twitter user and their email address, name, Twitter handle, number of followers, and creation date. Previous leaks also showed if the account was verified or not, while this database does not.
Via: BleepingComputer (opens in new tab)
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