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. Arlette Bellomy says:

    I switched from a Verizon after 36 years with Verizon because they caught my husband cheating button through it cuz they open there was one of the cloud came out so I switched the 18th but all the programs and I still haven’t got my service and they gave my number away cuz I switched my Verizon number 8184 and the 36th and I’m sitting here with two new broken phone to the phones phone explorer blew up my face I filed all that I heard nothing and can’t order the new phone update sitting here nothing and never use the service and I can’t even get online I can’t even get my account open and that’s three phone numbers and I can’t even get it in my I haven’t had no service and the iPad I haven’t had no service it’s crazy the number still there I still can’t use it it’s been 4 years paying on it it’s absolutely absurd it’s I can’t I can’t and then rude and oh my God never hurt you never in my life would be I could imagine being this irate over a phone this is the stupidest nastiest damaging system I’ve ever seen so they broke the system this is the stupidest generation it’s all scared these phones are killing people and they’re spying on you I don’t need anyone to social if they can’t see this it’s terrible it’s making miserable I didn’t even want these phones I’m forced out of my civil rights I’m forced to use these again and it’s damaged my vision my health I hate it I can’t stand it it’s misery misery I sit on these I don’t even want to be on you have to not what I can say oh they’re just nasty all of them are nasty need to get rid of them all oh my God so yeah now I have a burned face six phones no service paying for it oh my God switched me without knowing oh my God I can’t believe this again that’s what I’ve been trying to get my the courts that gave my dad’s class action lawsuit 483,000 just handed away to a safe that wasn’t well exactly what his kids exactly what the wheel wasn’t supposed to be and he’s on all online expending all that money and nobody class section this man suffered at night the first ever one measles helium the man suffered terrill he’s I don’t need it’s all dripped off planned how about we get a lawyer back lawyer they’re all

  2. Allen L Herman says:

    Social Security number has been found on the dark web due to ATT data breach.

  3. Abdur Ahmad says:

    Yes our home phone is at&t and Internet ! Please include us in the class action lawsuit. Now they have sent and email had us to reset password to the Internet but nothing on the home phone.

  4. P. Davis says:

    Received letter of breach.

  5. Rebecca Desmond says:

    Yes, I was affected. I recieved an email notice from AT&T that I get free idenity theft because my data was stolen – Big Deal! How do I get a form to join the class action ??

  6. Tangie Sanders says:

    Yes ….please include me I couldn’t pay my bill …my code was changed …

  7. Roderick Swearingen says:

    Yes I would like to be included in any settlement. I got a letter in the mail from AT&T stating that my data was breached. Also I’ve been getting disturbing messagmes

  8. Veotis Lawrence says:

    Please add me to the AT&T data base breach. I didn’t receive a notification but I have a lot of AT&T products that used my personal data.

  9. LEE D OBRIEN says:

    Please include me in this suit – my data was compromised

  10. laurie schwartz says:

    I have received several email notifications about my information being included in the breach—pleasr include me.

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