Abraham Jewett  |  March 28, 2024

Category: Data Breach
Close up of AT&T signage, representing the AT&T data dump.
(Photo Credit: Steelhead1/Shutterstock)

AT&T data breach overview: 

  • Who: A hacker released around 73 million AT&T customers’ personal data nearly three years after claiming to have stolen it. 
  • Why: The dataset includes names, home addresses, phone numbers, Social Security numbers and birthdates. 
  • Where: The AT&T data breach affects consumers nationwide.

A hacker leaked around 73 million AT&T customers’ personal information nearly three years after claiming the theft.

The leaked dataset includes names, home addresses, phone numbers, Social Security numbers and birthdates, TechCrunch reports. AT&T maintains the customer data did not come from its systems, echoing claims it made in 2021. 

The hacker released only a small amount of the stolen customer data at the time of the alleged breach, according to TechCrunch, which reports the small sample size made it difficult to verify the authenticity of the incident. 

Outside source confirms leaked info’s accuracy

Troy Hunt of Have I Been Pwned, a data breach notification site, concludes the leaked data is authentic after speaking with AT&T customers who confirmed the records’ accuracy, TechCrunch says. 

“The forum this was posted to isn’t within the shady underbelly of a Tor hidden service,” Hunt writes. “It’s out there in plain sight on a public forum easily accessed by a normal web browser. And the data is real.” 

While AT&T has not said how the hacker obtained the information, Hunt says the data may have come from a third-party processor or another unrelated entity.

In March 2023, AT&T notified around 9 million individuals about a customer data breach it says exposed their first names, email addresses, wireless phone numbers and wireless account numbers. 

AT&T attributed the data breach to a hacking event it says a hacker carried out against one of its vendors in January 2023, while similarly maintaining its systems were not compromised during the incident. 

Have you been affected by the data breach? Let us know in the comments.


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1,160 thoughts on73M AT&T customers’ data leaked online

  1. Danielle Cathcart says:

    I just got a letter saying that they had a data breach (04/16/2024) and they offered a year free credit monitoring which I went to use the code on the letter they mailed me and it says code invalid I tried multiple times same result each time. I don’t think a year free credit monitoring is sufficient seeing as about two months ago I went to apply for state funded insurance seeing as I was laid off from my job and they tell me at that time someone is using my SSN and DOB but a different name and claiming working wages under my SSN and DOB how this was possible and how they got that information I had no idea but now that I got this letter from AT&T I’m wondering if the two may be related. I have called the IRS and reported that the wages and things being used with my information wasn’t mine but I’m still awaiting a response on what to do still they said it can take 3-6 months for a response and at this time it’s closer to the 6 month time frame. I have since locked my credit file but still I don’t think that a year free credit monitoring is sufficient for all this trouble especially if my SSN and DOB was in fact gotten by someone due to this AT&T Data Breach.

  2. Cortney Harris says:

    I finally got a letter. I’m in this.

  3. Linda Frew says:

    I received a letter from AT&T about the data breach on May 2, 2024. It was offering a free year of credit monitoring. The pass code they provided does not work, states “invalid code”. I tried on my iPhone, iPad and Mac computer, nothing works. I tried calling twice to the provided 800 number. One time it was a 3 hour wait. Asked for a callback, nothing. I called another time, 8 minute wait. Asked for a call back, nothing. Now I read there are MANY customers with the same issue

  4. EarthAngel says:

    I received a letter from AT&T. They had a data breach an my info. Could be on the black Wed. And offer a subscription paid. Can’t remember what it’s called. But pretty much they monitor my credit for suspicious activity.
    So I don’t know what I should do. Or what steps I should take. The AT&T offer or should I do a claim or something for the law suit? And if so how do I go about doing that?

  5. Lori Marsik says:

    Pls add me

  6. Michael Hogg says:

    Notice of data breach April 26 2024

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