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Updated about 1 month ago

CSEA Local 1000 Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving CSEA Local 1000.
•Discovered on May 30, 2025.
•Possible data exposed: Name, SSN.
•Affects individuals in: New York, Maine, Vermont, Massachusetts.
•Confirmation level: Confirmed by regulators.

Breach confirmed

The CSEA Local 1000 breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

CSEA Local 1000, a labor union based in New York, discovered unauthorized activity on its computer systems on May 30, 2025. An investigation revealed that unauthorized access occurred between May 3 and May 31, 2025, during which files containing personal information were obtained by an unauthorized party. The breach affected over 47,000 individuals.

The confirmed data types exposed in this incident include names and Social Security numbers (SSNs). At least six residents in Maine were affected, along with individuals in Vermont and Massachusetts, with broader U.S. impact indicated. There is no evidence of medical or additional financial data being involved. Official breach notification letters were mailed starting January 20, 2026, and offered 24 months of complimentary credit monitoring.

Details about this incident can continue to emerge, and official notifications may be delayed.

Data possibly involved

Name
SSN
Can be used to open fraudulent accounts and file false tax returns

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Complete

Company has acknowledged the breach

Regulator Confirmed

Current

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Investigation Open

We're actively investigating this case and seeking affected individuals.

Were you affected? Submit your information below.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

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Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use CSEA Local 1000?

Yes

What state are you in?

What should I do?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

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Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

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