AT&T Inc. has experienced a significant data breach impacting over 70 million individuals.

Sensitive customer information compromised includes names, birthdays, emails, phone numbers, social security, and account numbers.

Current and former customers are affected, with 7.6 million current and 65.4 million former account holders' data dating back to 2019 and earlier.

The breached data has been found on the dark web.

AT&T is actively responding by notifying customers, resetting passcodes, and offering free identity theft and credit monitoring services.

The company's shares fell by 0.6% following the breach announcement.

CEO John Stankey acknowledges the importance of evolving the company's security measures in light of the breach.

Customers are urged to remain vigilant and protect their personal information from potential scams.