Investigations into the Anthem data breach reveal cyberattackers have access to customer data that dates back to 2004, according to a Los Angeles Times report.
Indianapolis-based Anthem disclosed the breach Feb. 4, reporting hackers accessed personal information for approximately 80 million former and current customers and employees.
Compromised data include names, birthdays, addresses, phone numbers, emails, employment and income information and Social Security numbers.
The investigation revealed earlier that the hackers may have obtained the company administrator's login credentials to access the network.
Anthem is offering two years of free identity theft protection to the millions of people affected, according to the report.
More articles on the Anthem breach:
Hackers break into Anthem: 10 things to know
Anthem's data was unencrypted
8 reactions to the Anthem hack from health IT leaders and cybersecurity experts