HackerOne Data Breach Lawsuit Investigation
If you received a data breach notification from HackerOne, you may be entitled to compensation and identity-protection services. Contact our team to learn your legal options and protect your rights.
Download Official Breach Notice (PDF)Key Facts
- Full legal entity: HackerOne Inc. (HackerOne)
- Breach period: December 22, 2025 – January 15, 2026
- Discovered: January 23, 2026
- Reported to regulators: March 23, 2026 (Maine)
- Complimentary credit monitoring offered through Kroll
What Happened
On January 23, 2026, HackerOne detected suspicious activity in its environment and immediately launched an investigation. The investigation confirmed that an unauthorized actor accessed and obtained certain files between December 22, 2025, and January 15, 2026. Federal law enforcement and applicable regulators were notified.
What Information Was Exposed
HackerOne’s review determined that the breach involved your name and additional personal data elements. Specific details for each individual were provided in the mailed notice letter.
Company Response
HackerOne states that it:
- Secured its systems and reviewed security measures
- Analyzed impacted data to identify affected individuals
- Notified law enforcement and will continue regulatory notifications as required
- Offers complimentary credit monitoring and identity-theft protection services through Kroll
- Is updating policies and procedures to reduce the likelihood of future incidents
Steps You Can Take
The breach notice encourages recipients to remain vigilant by:
- Reviewing account statements and credit reports for suspicious activity
- Enrolling in the complimentary Kroll monitoring service before the stated deadline (see your letter for details)
- Following the enclosed “Steps You Can Take To Help Protect Personal Information” for additional safeguards
Company Overview
Founded in 2012, HackerOne is a cybersecurity platform best known for coordinating bug bounty programs and vulnerability disclosure. Key details include:
- Website: hackerone.com
- Industry: Cybersecurity
- Headquarters: 548 Market St, PMB 24758, San Francisco, California, United States
- Employees: 501–1000
- Contact: hackerone.com/contact
- Privacy Policy: hackerone.com/privacy
- Social: Facebook, X, LinkedIn, Instagram
Frequently Asked Questions
- I received a data breach letter from HackerOne — what should I do?
- Follow the instructions in the letter, enroll in the complimentary Kroll credit-monitoring service before the deadline, and monitor your accounts for unusual activity.
- How do I submit a claim related to the HackerOne data breach?
- Complete the claim form on this page or contact our team for a free case review to determine eligibility for compensation.
- Am I eligible to join a lawsuit against HackerOne?
- If your personal information was included in the breach notice, you may qualify. Speak with a data-breach attorney to discuss your options.
- What information did the HackerOne breach expose?
- The investigation confirmed that names and additional personal data elements were accessed. The exact data types vary by individual and are detailed in your notice letter.
- Did HackerOne offer credit monitoring, and for how long?
- Yes. HackerOne is providing complimentary credit-monitoring and identity protection services through Kroll. Refer to your letter for enrollment instructions and service duration.
- How many people were affected by the HackerOne breach?
- HackerOne’s regulatory filing did not publicly disclose the total number of impacted individuals as of this publication.
- How can I get the official breach notice (PDF) for HackerOne?
- You can download the notice directly from the Maine Attorney General’s website using the button near the top of this article.
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