Delta Dental to Pay $2.25 Million for Cybersecurity Failures Under New York Regulation On April 30, 2026, Delta Dental Insurance reached a $2.25 million settlement with New York’s Department of Financial Services (DFS) over allegations of violating the state’s cybersecurity regulations. The DFS investigation found that the company’s weak incident response policies and procedures enabled threat actors to exploit vulnerabilities, resulting in unauthorized access to consumers’ personal data. The enforcement action underscores the growing scrutiny of cybersecurity compliance under New York’s stringent regulatory framework, which mandates robust protections for sensitive information. The case highlights the financial and reputational risks organizations face when failing to meet regulatory standards. No further details on the breach’s scope or affected individuals were disclosed in the official statement.

Delta Dental of California suffered from a data breach incident which exposed information of 7 million people. The company claims that neither electronic data nor Delta Dental's benefit processing system were hacked. Depending on the information their dentist supplied on the claim, some of the participants' private information might have been included in the documentation. The documents may have contained personal information like the person's Social Security number or birthdate.

The Maine Attorney General reported a data breach at Delta Dental of California involving unauthorized access to personal information through the MOVEit Transfer software. The breach occurred between May 27, 2023, and May 30, 2023, affecting three Maine residents. Notification letters were sent on December 14, 2023. The breach compromised personal information, but the extent of the data leak and its impact on the affected individuals are not specified.

Delta Dental of Illinois suffered from a data breach incident which exposed 100 of people personal information. A delivery service delivered a box filled with paper claims to the company from a subcontractor of Delta Dental of Illinois. X-rays and claims were included in the box that was lost in transit. A spokesman estimated that the incident had an impact on about 650 people in Illinois, with roughly six of them being state or university personnel in the Champaign-Urbana region.