Massive AT&T Data Breach Exposes 86 Million Records, Including SSNs
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Contributed by: Drex DeFord
Summary
Hackers associated with the ShinyHunters group have leaked over 86 million records from AT&T, including sensitive personal information like full names, phone numbers, email addresses, and about 44 million decrypted Social Security Numbers (SSNs). The data was first shared on a Russian cybercrime forum in May 2025 after vulnerabilities in the Snowflake cloud data platform were exploited. This leak raises significant privacy concerns, especially since many SSNs were already compromised in a previous breach involving 3.2 billion records in August 2024. AT&T's history of data breaches adds to the urgency of the situation for affected customers.
