AT&T is conducting an investigation following reports that approximately 86 million customer records are for sale on a cybercrime forum. The data reportedly includes sensitive information such as birth dates, email addresses, physical addresses, and over 44 million social security numbers. The original leak is believed to have occurred during a breach involving Snowflake, which compromised numerous clients, including AT&T. The hacker has re-uploaded this data, which was previously leaked, and clarified it does not come from a new breach with unknown data provenance. The situation highlights ongoing risks of rehashed data being exploited for financial gain.
"It is not uncommon for cybercriminals to re-package previously disclosed data for financial gain," an AT&T spokesperson told The Register.
The data for sale reportedly includes around 86 million AT&T customer records... which the seller claims were originally encrypted.
Even the seller says this is not from a new AT&T breach - but the age and original provenance of the data has not been disclosed.
The stolen info was first listed for sale on May 15, and then reuploaded on June 3.
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