Understanding your Laborers International Union Local 355 data breach notification letter
If a Laborers International Union Local 355 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
Laborers International Union Local 355 is a labor organization that represents workers, managing sensitive member records and administrative files. As a union, they typically collect and store personal data including Social Security numbers, home addresses, employment history, and dues payment information to facilitate member benefits and collective bargaining services. This security incident was officially reported to the Indiana Attorney General in 2025, confirming that unauthorized access occurred within their systems. If you received a data breach notification letter from the union, it indicates that your personal information was among the data stored in their files at the time of the incident. We encourage you to review the letter carefully for instructions on how to protect your identity and monitor your accounts for suspicious activity.
What to do after the letter
Confirm the notice is genuine
A legitimate Laborers International Union Local 355 notice references the specific incident reported to the Indiana 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.
Check the record against the public filing
You can verify the Laborers International Union Local 355 incident against the filing reported to the Indiana Attorney General. This registry summarizes what was filed; it does not provide legal advice.
This page summarizes a data breach reported to the Indiana Attorney General for informational purposes. DataBreachInformation.com is a neutral reference registry and does not provide legal advice.