• May 2026 •

NetLine Corporation Data Breach

Last Updated on May 28, 2026

If your information was compromised in the NetLine data breach, you may be able to start a class action to collect money for the harm you’ve suffered.

• Keep reading for more information

At A Glance

What's Going On?: Attorneys need to hear from people affected by the NetLine data breach as they investigate whether a class action lawsuit can be filed.
What You Can Do: If you believe your information may have been compromised in the NetLine data breach, fill out the form on this page to learn more about the investigation and how you can help.
Does This Cost Anything?: It costs nothing to get in touch or to talk to someone about your rights.
What Can I Get?: If filed and successful, a class action lawsuit could provide consumers with money for any harm resulting from the NetLine breach.

NetLine Data Breach: Lawsuit Investigation

Attorneys working with ClassAction.org are looking into whether a class action lawsuit can be filed in light of the NetLine data breach.

As part of their investigation, they need to hear from individuals who had their information exposed in the incident, including those who received notice of the NetLine data breach or otherwise believe they are affected.

NetLine Security Incident: What Happened?

NetLine Corporation, which operates a business-to-business marketing platform used by 125 million users monthly, experienced a data breach involving unauthorized access to a public-facing web server. A letter sent to the Maine Attorney General’s Office states that upon discovering suspicious activity on April 21, 2026, NetLine launched an investigation and found that an unknown actor had queried databases on the server without authorization the day prior, April 20.

NetLine reviewed the affected databases to identify what information was present and to whom it belonged, completing this process by April 29, 2026. The information potentially exposed by the NetLine data breach includes names, Social Security numbers, and individual taxpayer identification numbers.

Those potentially affected by the NetLine Corporation data breach were notified in writing on or around May 27 (see the sample notice below).

What You Can Do After the NetLine Data Breach

If your information was exposed in the NetLine data breach, attorneys want to hear from you. You may be able to start a class action lawsuit to recover compensation for loss of privacy, time spent dealing with the breach, out-of-pocket costs, and more.

A successful case could also force NetLine to ensure they take proper steps to protect the information they were entrusted with.

Affected by the NetLine data breach? Fill out the form on this page today.