Understanding your Transport Workers Union Local 100 data breach notification letter
If a Transport Workers Union Local 100 letter arrived in your mailbox, here is what it means, why you received it, and the free steps you can take right now.
Why you received this letter
Transport Workers Union Local 100 is a labor organization representing transit employees, which functions as a professional union entity. In the course of managing membership records, dues payments, and collective bargaining agreements, the union typically collects and stores sensitive personal information, including payroll data, government identification numbers, and contact details. This incident was officially reported to the Vermont Attorney General in 2026, confirming that the organization experienced a security event involving the unauthorized access of its systems. If you have received a formal data breach notification letter from the union, it indicates that your personal information was likely contained within the files accessed during this incident. We recommend reviewing the letter carefully to understand the specific steps the organization is taking to support affected members.
What to do after the letter
Confirm the notice is genuine
A legitimate Transport Workers Union Local 100 notice references the specific incident reported to the Vermont Attorney General and describes which categories of your information were involved. Compare the letter against the public filing before acting on any links or phone numbers it contains.
Keep the letter — it is your proof of connection
The notification letter is the document that ties your personal information to this incident. Keep the original and photograph it. If you later request a case review, this letter is the strongest evidence that you were among the affected individuals.
Protect your accounts and credit
Depending on what was exposed, consider a free credit freeze with all three bureaus, new passwords for reused credentials, and monitoring of financial statements. These steps are free and do not require you to wait for anyone's permission.
Find out whether you have a claim
Whether the Transport Workers Union Local 100 breach gives you a legal claim depends on the facts. A free, no-obligation case review will tell you where you stand — there is no cost and no commitment to find out.
This page summarizes a data breach reported to the Vermont Attorney General for informational purposes and is attorney advertising. It does not create an attorney-client relationship. DataBreachLegalCenter.com does not provide legal advice through this page.