AT&T Alerts Millions About Data Breach That Exposed Sensitive Information

An internal supply chain cyber-incident that occurred in AT&T’s supply chain revealed some sensitive information belonging to tens of millions of the company’s customers, exposing them to some serious vulnerabilities in their systems. 

A hacking incident did occur in January 2023 against AT&T’s marketing vendor, resulting in a data breach of AT&T’s system.  

Approximately 9 million clients of the company have been given a precautionary warning after unauthorized access to their personal information was discovered.  

According to the company, in addition to the first names of buyers, the company also uncovered wireless account numbers and smartphone numbers, as well as e-mail addresses. 

There have been specific instances where a small number of impacted clients have had their prices, late fees, monthly fee amounts, fluctuating monthly expenses, and/or minutes used exposed. These have been the name of the price plan, late amount, or late charges. Moreover, AT&T acknowledged that the data was a few years old and was not updated regularly. 

The representative of the company confirmed that the supply chain was at risk

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