HackerOne

Summary

HackerOne experienced a data breach that exposed social security numbers and health details. The incident occurred in San Francisco, California, and was noted in a listing of ransomware and cyber attacks. Compromised data included personal identifiers and health information affecting individuals linked to the service.

Motives

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TTPs

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Description

HackerOne suffered a data breach that was recorded in a list of ransomware attacks and cyber attacks for the year 2026. The breach appears under the subsection for attacks occurring in March 2026. The entry is titled “HackerOne Data Breach Exposes SSNs and Health Details” and includes a link to a claimdepot.com page. The incident is located in San Francisco, California, United States.

The breach exposed Social Security Numbers, which are a form of personal identifier. It also exposed health details, which constitute personal health information. Both data types are classified as sensitive personal information. The entry does not provide further specifics about the number of individuals affected or the timeline of exposure.

The source of this information is an article on cloudian.com dated December 17, 2020, which compiles a ransomware attack list and alerts for 2026. The article presents the breach as one of many incidents listed for March 2026. No additional details regarding the attack method, threat actors, detection, containment, or response are included in the provided text. Consequently, the narrative is limited to the confirmed facts of the breach’s occurrence, location, and the categories of data exposed.

Sources

Sources available to members: 1 source.