Where can I see the official HackerOne Inc breach notice?

HackerOne Inc's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#hackerone-inc-2026 Compare it with the letter you received to confirm the dates and details match.

What should I do after getting the HackerOne Inc data breach notice?

Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.

Is the HackerOne Inc data breach letter legit or a scam?

A notice from HackerOne Inc in the mail matches the breach HackerOne Inc reported to the IN Attorney General on March 18, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact HackerOne Inc through a phone number or website you find yourself.

Did HackerOne Inc offer free credit monitoring?

Any free monitoring HackerOne Inc is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.

Can I sue HackerOne Inc over the data breach?

It depends on what was exposed, the law in IN and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.

Is there a HackerOne Inc data breach class action lawsuit?

Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against HackerOne Inc. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.

How much could a HackerOne Inc data breach settlement or claim be worth?

There is no set amount, and no HackerOne Inc settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.

Do I need a HackerOne Inc data breach lawyer or attorney?

An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Received a HackerOne Inc notification letter? Read the letter guide

Investigation OpenIN AG filing · March 18, 2026

HackerOne Inc. Files Data Security Incident Notice in Indiana

HackerOne Inc. recently filed a data breach notification with Indiana regulators, detailing an incident that occurred in late 2025. This filing informs individuals that some of their personal information may have been compromised. The company is currently investigating the scope and specifics of the event.

State: IN
Breach date: December 22, 2025
Reported: March 18, 2026

HackerOne Inc., a company specializing in cybersecurity and bug bounty programs, has submitted a data security incident filing to authorities in Indiana. This disclosure alerts affected individuals to a potential compromise of their personal data.

The breach incident itself was reported to have taken place on December 22, 2025. The official notification regarding this event was then filed with state regulators on March 18, 2026.

According to the public filing, the specific categories of personal information involved in this incident were not detailed. Therefore, individuals should consider that various types of their data could have been affected, as indicated by the general nature of the disclosure.

HackerOne Inc. has indicated that an investigation into the incident is ongoing. The purpose of this investigation is to ascertain the full extent of the breach and to identify the precise nature of the information that was accessed or exposed.

For individuals who may be affected, it is generally recommended to remain vigilant for any unusual activity across their online accounts. This includes reviewing financial statements and other personal accounts for unauthorized transactions or suspicious communications. Additionally, consider strengthening password security and enabling multi-factor authentication where available.

This information is compiled from official state regulatory filings, serving as a public record of the reported data security incident. For the most accurate and up-to-date details regarding your specific situation, refer directly to any notice you may have received from HackerOne Inc. or consult the official state filing.

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.

What to know about the HackerOne Inc data breach

Where can I see the official HackerOne Inc breach notice?: HackerOne Inc's report is published by the IN Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#hackerone-inc-2026 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the HackerOne Inc data breach notice?: Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the HackerOne Inc data breach letter legit or a scam?: A notice from HackerOne Inc in the mail matches the breach HackerOne Inc reported to the IN Attorney General on March 18, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact HackerOne Inc through a phone number or website you find yourself.
Did HackerOne Inc offer free credit monitoring?: Any free monitoring HackerOne Inc is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
Can I sue HackerOne Inc over the data breach?: It depends on what was exposed, the law in IN and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a HackerOne Inc data breach class action lawsuit?: Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against HackerOne Inc. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a HackerOne Inc data breach settlement or claim be worth?: There is no set amount, and no HackerOne Inc settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Do I need a HackerOne Inc data breach lawyer or attorney?: An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: IN Attorney General filing

Related data breach cases

Browse all IN data breaches View the full case directory