A majority of Allianz Life's 1.4 million US customers had their personal data stolen in cyber-attack. Here's what you need to know.

Allianz Life Insurance Company of North America (Allianz Life) is notifying 1.4 million customers, financial professionals, and employees of a data breach that leaked their personal information via a third-party CRM platform.

The U.S. insurance giant tells state regulators that Social Security numbers were among the personal information stolen in its mid-July cyberattack.