Did HackerOne Inc have a data breach?

In plain terms

HackerOne Inc. reported a data security incident to the Indiana Attorney General involving unauthorized access to its systems. If you received a notification letter, your personal information may have been compromised. The company is investigating and taking steps to address the breach.

HackerOne Inc., a technology company specializing in cybersecurity, officially reported a data security incident to the Indiana Attorney General on March 18, 2026. This report confirms that the company experienced unauthorized access within its systems.

The incident, which occurred on December 22, 2025, involved a breach where personal information may have been accessed by an unauthorized party. If you received a data breach notification from HackerOne, it indicates that your data was potentially involved.

HackerOne has stated that it is currently investigating the scope and impact of this unauthorized access. The company is taking measures to address the security compromise and protect affected individuals' information.

Individuals who received a breach notification are advised to remain vigilant. It is recommended to carefully review account statements and monitor for any suspicious activity. Be cautious of unsolicited communications, especially those requesting personal details or login credentials.

Details of this incident are based on the official filing submitted to state regulators in Indiana, which serves as a public record of the reported breach.