HackerOne Inc data breach

Clerk's notes

HackerOne Inc has formally reported a data security incident to the Indiana Attorney General's office. This disclosure, filed on March 18, 2026, indicates that unauthorized access to the company's systems took place on December 22, 2025. For individuals who received a direct notification from HackerOne, this means your personal information may have been involved.

The nature of the unauthorized access led to a compromise of their systems. While specific details of the exposed data are not publicly itemized, the company's notification process suggests that various forms of personal information may have been accessed by an unauthorized party.

If you have received a data breach notification letter from HackerOne Inc, it is important to understand the potential implications. Taking proactive steps to monitor your personal accounts and exercise caution with unexpected communications is advised. Consider reviewing financial statements and online accounts for any unusual activity and enable multi-factor authentication where available.

The breach is currently listed as 'investigating', meaning regulatory bodies and the company are still working to fully assess the incident and its impact. This ongoing review is a standard procedural step following such an event.

Understanding your options after receiving a data breach notice is crucial. Many individuals affected by data security incidents choose to learn more about their rights and potential recourse. You may wish to seek further information regarding this incident.

If a notification letter about this breach reached you, see every Indiana data breach on file or browse all cases.