Diamond Chemical Co, LLC Data Breach – Investigated by Federman & Sherwood
May 8, 2026 – Federman & Sherwood, a national consumer protection law firm, is investigating the Diamond Chemical data breach, a cybersecurity incident involving unauthorized access to sensitive personal information that was reported to the Attorney General of Maine.
According to the notice, Diamond Chemical Co, LLC discovered suspicious activity within certain systems in its environment on or about September 2, 2025, which resulted in a temporary network disruption. An investigation conducted with third-party cybersecurity specialists determined that an unauthorized actor accessed certain systems between July 26, 2025, and September 2, 2025, and copied files without authorization.
The company then undertook a detailed review of the affected files to determine whether sensitive information was involved and to identify impacted individuals. That review concluded on or about March 6, 2026.
The information potentially exposed includes individuals’ names and Social Security numbers.
Data breaches involving Social Security numbers are particularly concerning because they may increase the risk of identity theft, financial fraud, and other forms of misuse of personal information.
Federman & Sherwood is actively investigating whether Diamond Chemical Co, LLC implemented adequate cybersecurity protections and whether this data security incident could have been prevented. The firm is also evaluating potential legal claims on behalf of individuals affected by the Diamond Chemical data breach.
Diamond Chemical reported that it notified federal law enforcement, reviewed its security policies and procedures, and is offering affected individuals twelve (12) months of complimentary credit monitoring and identity protection services through Kroll.
Consumers who received a notice regarding the Diamond Chemical data breach or who believe their personal information may have been compromised are encouraged to remain vigilant and monitor their financial accounts and credit reports for suspicious activity.
The potentially impacted information may include:
- Name
- Social Security number
- Other sensitive information
What is Diamond Chemical Co, LLC?
Diamond Chemical Co., LLC is a New Jersey-based manufacturer of high-quality industrial and institutional cleaning products, including laundry, warewash, housekeeping, sanitizing, and floor care solutions.
Individuals affected by the Diamond Chemical data breach may have legal rights and are encouraged to contact Federman & Sherwood to learn more about their options.
Contact Information
Phone: 1-800-237-1277 | Email: info@federmanlaw.com