WaterStreet Company Data Breach Investigation

The data privacy lawyers at The Lyon Firm are investigating a recent data breach at WaterStreet Company, a software development company based out of Kalispell, Montana. The company specializes in property and casualty insurance software, primarily offering cloud-based software to insurance carriers. The data security incident reportedly involved sensitive personal information (including Social Security number) belonging to over 25,000 individuals.

Contact an experienced lawyer following any data theft event that may have impacted your data. We have filed numerous class action data privacy lawsuits on behalf of plaintiffs nationwide. Call for a free consultation and case review if you have received a data breach notification letter. On May 7, 2025, WaterStreet started mailing notices to all impacted individuals and the company is providing affected individuals with a list of the specific types of sensitive information potentially compromised.

What Happened at WaterStreet?

According to the breach notice reported to the Attorney General of Maine, sensitive personal identifiable information (PII) in WaterStreet’s care may have been compromised around mid-March 2025, when the company discovered suspicious activity related to its IT environment. After an investigation, the company concluded that sensitive personal information may have been accessed by an unauthorized third party during the security breach. The type of information potentially exposed may include the following:

• Name
• Social Security number
• Bank account information