Daniel H Cook Associates Data Breach Lawsuit Investigation
Daniel H Cook Associates began notifying individuals on January 16, 2026 that an October 17, 2025 network intrusion allowed an unauthorized party to access certain files containing personal data. If you received this letter, you have important rights and deadlines. Complete our free, no-obligation case review to learn your legal options and get help securing your identity.
Key Timeline
- Incident & Discovery: October 17, 2025 (network disruption detected the same day)
- Internal Investigation Concluded: January 12, 2026
- Consumer Notices Sent: January 16, 2026
- Credit-Monitoring Enrollment Deadline: April 16, 2026
What Happened
According to the Maine Attorney General filing, Daniel H Cook Associates Inc. (“DHCA”) experienced a network disruption on October 17, 2025. Cyber-security experts were immediately engaged to investigate. The review determined that certain files were accessed and/or acquired without authorization. DHCA completed a file-by-file analysis and confirmed on or about January 12, 2026 that personal information belonging to some individuals was present in the affected data set. The company reports no evidence of misuse to date.
Download Official Breach Notice (PDF)What Information Was Exposed?
The notification states that the compromised data included:
- Name
- Additional personal data elements (specific to each individual)
Your medical ID number was not included in the affected files.
Company Response
In reaction to the incident, DHCA reports that it:
- Engaged external cyber-security professionals to investigate and remediate the breach.
- Implemented “measures to enhance security and minimize the risk of a similar incident.”
- Arranged complimentary identity-protection services through IDX, featuring:
- 24 months of credit monitoring
- Dark-web monitoring
- Up to $1 million identity fraud loss reimbursement
- Fully managed identity-theft recovery services
Your Next Steps
DHCA encourages affected individuals to:
- Enroll in the free IDX services by April 16, 2026 at app.idx.us/account-creation/protect or call 1-844-267-5085.
- Monitor financial accounts and credit reports for unexpected activity.
- Retain a copy of the breach letter and any fraud-related documents.
- Consider placing fraud alerts or credit freezes if suspicious activity arises.
- Seek legal guidance to understand potential compensation for time, expenses, or losses.
Can You File a Lawsuit?
If you received a notice, you may be entitled to monetary relief for out-of-pocket expenses, lost time, and the diminished value of your personal information. Class-action investigations focus on whether DHCA used reasonable data-security measures. Our attorneys provide a free consultation and only get paid if you obtain a recovery.
Company Overview
- Website: dhcook.com
- Headquarters: 253 W 35th St Fl 12, New York, NY, United States
- Industry: Third-Party Administration
- Year Founded: 1959
- Employees: 47
Frequently Asked Questions
I received a data breach letter from Daniel H Cook Associates — what should I do?
Enroll in the free IDX credit-monitoring by April 16, 2026, follow the safety tips in the letter, and save all related paperwork.
How do I submit a claim related to the Daniel H Cook Associates data breach?
Use our secure form to request a free legal review. An attorney will explain your options and potential compensation.
Am I eligible to join a lawsuit against Daniel H Cook Associates?
You may qualify if you received the January 16, 2026 notice and experienced identity-theft-related harm or costs. Eligibility is confirmed on a case-by-case basis.
What information did the Daniel H Cook Associates breach expose?
Names and other personal data elements. Medical ID numbers were not involved.
Did Daniel H Cook Associates offer credit monitoring, and for how long?
Yes. DHCA is providing 24 months of IDX credit monitoring and identity-protection services.
How many people were affected by the Daniel H Cook Associates breach?
The public filing did not state an exact number of impacted individuals.
How can I get the official breach notice (PDF) for Daniel H Cook Associates?
You can download it directly from the Maine Attorney General website by using the button or the source link in this article.
