HackerOne Inc. Discloses Data Security Incident to Indiana Regulators

HackerOne Inc., a technology company specializing in cybersecurity and vulnerability coordination, has disclosed a data security incident. This incident, involving unauthorized access to its systems, was officially reported to the Indiana Attorney General on March 18, 2026. The compromise is reported to have occurred on December 22, 2025.

According to public filings, HackerOne is actively investigating the incident. The company's notice indicates that if you received a notification letter, it means your personal information may have been affected by this security event. The filing itself does not specify the particular categories of information involved.

As a platform that facilitates security testing, HackerOne typically handles various forms of user credentials, contact details, and professional profile data. The company has stated its intent to take steps to address the security compromise and protect digital identities.

If you have received a data breach notification from HackerOne Inc., it is important to carefully review the information provided. The company should offer details relevant to your specific situation and any recommended actions.

As a general precaution following any data incident, it is advisable to remain alert for any suspicious communications, such as phishing attempts. Regularly review statements from your financial institutions and other accounts for unusual activity. Be cautious about clicking on unverified links or providing personal information in response to unsolicited requests.