Delta Dental suffers a Data Breach

Delta Dental of California has disclosed a data breach following security incidents linked to the vulnerability in MOVEit file transfer software by Progress Software.

According to a breach notification filed with the Maine Attorney General on December 14, unauthorized actors accessed protected health information.

The exposed data includes individuals’ names coupled with a mix of addresses, Social Security numbers, driver’s license numbers, state identification numbers, passport details, financial account information, tax identification numbers, individual health insurance policy numbers and/or health-related information.

The breach was discovered on June 1 2023, and launching an investigation and taking corrective measures. On July 6 2023, it was confirmed that unauthorized access occurred between May 27 and May 30, affecting approximately 7 million individuals. The investigation concluded on November 27 2023, with law enforcement notified.

Delta Dental said it is notifying affected individuals and providing support services. Individuals are advised to monitor financial statements and report suspicious activity. A hotline is available at 800-693-2571.

There are proactive steps individuals impacted by the Delta Dental breach can take to limit their exposure, like changing login info for their compromised accounts, utilizing a dark web monitoring service to check for leaked credentials, monitoring or freezing their credit reports and practicing good cyber hygiene.

The MOVEit vulnerability has impacted thousands of organizations globally, from corporations to government agencies.