Cybersecurity researchers at vx-underground have reported that over 70 million records from an unspecified division of telecommunications giant AT&T have been leaked online.
The breach, one of the largest in recent times, has raised serious concerns about data security and privacy.
The Breach Exposed
The leaked data, posted on the hacker forum Breached, contains 73,481,539 records.
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Vx-underground researchers have confirmed the authenticity of the data.
Today 70,000,000+ records from an unspecified division of AT&T were leaked onto Breached. No information is available to indicate whether it is a 3rd party compromise, or which 'division' this data is from. Regardless, upon review we can confirm the stolen data is legitimate. — vx-underground (@vxunderground) March 17, 2024 However, it remains uncertain whether the information was directly stolen from AT&T or through a third-party organization associated with the company.
Hacker Group Behind the Leak
The individual responsible for the data sale uses the online alias, Major Nelson. They claim the data was acquired from an unnamed AT&T division by the notorious hacker group @ShinyHunters in 2021.
AT&T Database ShinyHunters is infamous for its cyberattacks on several significant organizations, including Tokopedia, Homechef, Chatbooks.com, Microsoft, and Minted.
Security Affairs has reported that threat actors have leaked over 70 million records, which they allegedly stole from AT&T.
Data For Sale
In August 2021, ShinyHunters reportedly demanded $1 million for the entire database or $200,000 for partial access.
The RestorePrivacy website verified the authenticity of the data by analyzing a sample and finding it legitimate.
The leaked data includes sensitive customer information such as Name, Phone number, Physical address, Email address, Social security number, Date of birth, Sample Data Leak
AT&T’s Response
Despite the claims and the evidence presented by researchers and the hacker group, AT&T has denied any breach of their systems.
The telecommunications giant said in a statement, “Based on our investigation Thursday, the information that appeared in an internet chat room does not appear to have come from our systems.”
Implications for Customers
The alleged data breach threatens the affected customers, with the potential for identity theft, financial fraud, and other malicious activities.
The data in question could be used by cybercriminals to orchestrate targeted phishing attacks or to sell to other bad actors on the dark web.
As the situation unfolds, AT&T customers are advised to remain vigilant and monitor their accounts for suspicious activity.
It is also recommended that passwords be changed and credit monitoring services be considered to safeguard against potential identity theft.
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