Daniel H. Cook Associates Reports a Data Security Incident Regarding Patient Data
Overview
Daniel H. Cook Associates (DHCA) recently announced a data security incident that they believe may have affected various patient or client data. The incident was discovered on October 17, 2025, when DHCA experienced a disruption to its network. Upon realization of the unusual activity, the company promptly began an investigation, enlisting the help of third-party cybersecurity experts to thoroughly assess the situation.
Investigation Findings
The investigation revealed that unauthorized access may have occurred to specific files stored on DHCA’s network. After a meticulous review process that concluded on January 16, 2026, it was confirmed that some personal information might have been compromised during the incident. Although DHCA has found no evidence of the misuse of this data, the nature of the information involved is quite sensitive.
Affected Information
The kinds of personal data that may have been accessed include individuals’ names, dates of birth, health insurance details, financial account numbers, and Social Security numbers. In light of this potentially serious breach, DHCA took the proactive step of notifying those impacted. On January 16, 2026, written notifications were sent via US mail to affected individuals, outlining what steps they could take to protect their information.
Response Measures
In response to the incident, DHCA has implemented several new measures aimed at bolstering their network security protocols. Their commitment to safeguarding patient and client data is evident in the steps taken to ensure that such breaches do not occur again in the future.
Toll-Free Call Center
To further assist individuals with their concerns regarding the incident, DHCA has established a toll-free call center. The service is available Monday through Friday from 9 am to 9 pm Eastern Standard Time (EST). Individuals can reach the call center at 1-877-322-8228 to ask questions or seek assistance regarding this event.
Company Information
DHCA is headquartered at 1040 6th Avenue, New York, NY 10018, and is committed to ensuring the safety and security of their client data. The swift actions taken in the wake of this security incident demonstrate their dedication to the wellbeing of those they serve.
Through meticulous investigation and an immediate response, DHCA is doing everything possible to restore trust and ensure the safety of sensitive patient information. As awareness of data security grows, the organization continues to focus on enhancing practices that protect against future incidents, reinforcing its position as a dependable entity in managing sensitive client information responsibly.