ATT-Speculated
About This Breach
The speculated 2021 AT&T Data Breach refers to claims of 71 million customer records being leaked. AT&T denies these records came from their systems, citing a lack of evidence for a breach. However, some of the data has been verified as accurate, implicating it may concern AT&T customers. The precise origin of the data is still uncertain, with AT&T indicating it might not have directly originated from their databases.
Data Exposed
Breach Details
| Breach Type | Data Breach |
| Searchable | Yes |
| Verified | Yes |
| Sensitive Data | No |
| Reference | https://www.bleepingcomputer.com/news/security/att-says-leaked-data-of-70-million-people-is-not-from-its-systems/ (opens in new tab) |
Frequently Asked Questions
When did the ATT-Speculated data breach happen?
ATT-Speculated was breached in Aug 2021. The breach was added to the XposedOrNot index on March 19, 2024.
How many records were exposed in the ATT-Speculated breach?
49,102,843 records were exposed, making it the #44 largest of the 763 breaches in our index.
What data was exposed in the ATT-Speculated breach?
The exposed data includes: Email addresses, Dates of birth, Names, Phone numbers, Physical addresses.
What should I do if I was affected by the ATT-Speculated breach?
Change your password on the affected service (and anywhere you reused it), turn on two-factor authentication, and set up free breach alerts on XposedOrNot so you know the moment your email appears in a new breach.
What Should You Do?
Enable Two-Factor Authentication
Add 2FA on all supported accounts using an authenticator app like Google Authenticator or Authy.
Watch for Phishing Calls & SMS
Be cautious of unexpected calls or texts asking for personal information.
Beware of Scam Mail
Be skeptical of unexpected correspondence requesting personal details.
Monitor Your Accounts
Set up login alerts and review account activity regularly for suspicious access.