The HackerOne Inc Data Breach: Incident Facts and Free Case Review
HackerOne Inc is a prominent technology company specializing in cybersecurity and vulnerability coordination services. As a platform that facilitates security testing, they typically collect and store sensitive information including user credentials, contact details, professional profile data, and internal communication logs. In 2026, the company officially reported a data security incident to the Indiana Attorney General, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from HackerOne, it indicates that your personal information may have been involved in this incident. This notice is intended to inform you of the nature of the breach and the specific steps the company is taking to address the security compromise and protect your digital identity.
- State
- Indiana
- Breach date
- December 22, 2025
- Reported
- March 18, 2026
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Related data breach cases
- Bozeman School District
- Teamsters Local 17
- Bank
- American Vanguard Corporation
- Graphic Information Systems Inc
- Arcadia of Benton LLC
- Arcadia of Bowling Green LLC
- Arcadia of Clarksville LLC
- Arcadia of Elizabethtown LLC
- Arcadia of Louisville LLC
- Hahn Loeser & Parks LLP
- Mather & Co CPAs LLC
- Graymont Inc
- Active Leadgen LLC dba ukvisaportal.com