What Is This About?

If you recently received a letter or an email from heibon.jp informing you that your sensitive personal information was compromised in a data breach, we would like to speak with you about your rights and potential legal remedies. heibon.jp recently disclosed that it was the victim of a security incident that may have exposed individuals’ sensitive personal information; however, public reporting describes the event as a website defacement and does not provide details confirming that personal information was accessed or acquired.

What Happened?

On May 29, 2026, a security incident involving the website heibon.jp was publicly reported by HackNotice as a defacement incident. Based on the available information, the incident involved unauthorized changes to the website’s content (defacement). The report does not provide details regarding when heibon.jp first became aware of the incident, whether third-party forensic investigators were engaged, whether any data was accessed, the number of affected individuals, or whether notice letters were sent to impacted individuals. No government regulator or Attorney General filing information was provided in the available materials.

What Information Was Impacted?

Upon information and belief, the following types of sensitive personal information may have been compromised:

• Not specified;

What Action Can You Take?

Levi & Korsinsky, LLP is investigating whether affected users are entitled to compensation. If you received a notice from heibon.jp, there is no cost or obligation to participate. Follow the link below to find out about your rights and potential legal remedies available.