Strauss Borrelli PLLC, a leading data breach law firm, is investigating Civil Service Employees Association, Inc., Local 1000, AFSCME, AFL-CIO (“CSEA Local 1000”) regarding its recent data breach. The CSEA Local 1000 data breach involved sensitive personal information belonging to over 47,000 individuals.
ABOUT CIVIL SERVICE EMPLOYEES ASSOCATION, INC., LOCAL 1000, AFSCME, AFL-CIO:
CSEA Local 1000 is a workers union based in New York. Founded in 1910, CSEA Local 1000 provides a range of services to union members, including member benefits, insurance policies, legal services, labor education, mortgage and credit counseling, contract negotiations, and more.2,3 Members in CSEA Local 1000 include state, county, municipal, school district, child care, and private sector employees.3 Additionally, CSEA Local 1000 is the largest affiliate of the American Federation of State, County, and Municipal Employees (AFSCME).3 Headquartered in Albany, New York, CSEA Local 1000 employs over 200 individuals and includes over 300,000 union members.3
WHAT HAPPENED?
Recently, CSEA Local 1000 reported to the Attorney General of Maine that it had experienced a data breach in which sensitive personal identifiable information in its care may have been compromised. According to the breach notice, on May 30, 2025, CSEA Local 1000 discovered suspicious activity on its computer systems.1 As a result, CSEA Local 1000 launched an investigation to determine the nature of the incident.
Through its investigation, CSEA Local 1000 confirmed that sensitive personal information in its systems may have been accessed and acquired by an unauthorized third party between May 3 and May 31, 2025. As a result, CSEA Local 1000 began a review of the data to determine what information had been impacted as well as identify the specific individuals affected. While the information impacted varies depending on the individual, the type of information potentially exposed includes:
- Name
- Social Security number
On January 20, 2026, CSEA Local 1000 began mailing data breach notification letters to impacted individuals. Based on the breach notice sent to Maine residents, CSEA Local 1000 is providing affected individuals with a list of the specific types of sensitive information impacted and complimentary credit monitoring services. A link to the form breach notification letters that CSEA Local 1000 filed with the Attorney General of Maine is below.
If you received a breach notification letter from Civil Services Employees Association, Inc., Local 1000, AFSCME, AFL-CIO:
We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at 872.263.1100 or sam@straussborrelli.com.
