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Millions of AT&T Customers Affected in Massive Data Leak

A three-year mystery unfolds.
Emily Hill
Contributing Writer
AT&T central office. AT&T is spinning off its media assets to concentrate on cell phone, mobility and high speed internet.

Three years after initial reports of a significant data theft involving AT&T customers, the complete dataset allegedly containing the personal information of 73 million individuals has been made public online. This revelation includes sensitive data such as names, addresses, phone numbers, Social Security numbers, and dates of birth. Despite the emerging evidence and confirmation from some affected customers regarding the accuracy of their data, AT&T remains silent on the breach’s origins, maintaining that the data did not originate from their systems.

AT&T’s steadfast claim that there was no compromise of their systems, coupled with their inability to pinpoint the source of the leak, raises serious concerns about data security and corporate accountability in handling customer information.

Why it matters: This incident highlights critical issues in data privacy, security, and corporate responsibility. The leakage of personal information on such a massive scale not only poses a direct risk to affected customers but also challenges trust in digital service providers. Furthermore, AT&T’s opaque response to the situation underscores the need for greater transparency and urgency in addressing data breaches.

  • Customer Confirmation: Some AT&T customers have independently confirmed the accuracy of their personal information found within the leaked dataset, adding to the concerns over privacy violations.
  • AT&T’s Historical Claims: AT&T had previously asserted that the data leaked in 2021 did not come from their systems, a claim now under scrutiny with the full dataset’s publication.
  • Data Uniqueness: The leaked dataset includes 49 million unique email addresses and 44 million Social Security numbers, highlighting the breach’s extensive impact and the high risk of identity theft.

Go Deeper -> AT&T won’t say how its customers’ data spilled online – Tech Crunch

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