Impact & Downstream Threats
This breach carries high risk due to the nature of exposed data fields and the scale of affected records.
- SIM swap attacks where phone numbers are present
- Targeted phishing campaigns using exposed email addresses
- Doxxing risk from physical address exposure
Breach Intelligence
Executive Summary
In March 2020, a massive trove of personal information referred to as "Lead Hunter" was provided to HIBP after being found left exposed on a publicly facing Elasticsearch server. The data contained 69 million unique email addresses across 110 million rows of data accompanied by additional personal information including names, phone numbers, genders and physical addresses. At the time of publishing, the breach could not be attributed to those responsible for obtaining and exposing it. The data was provided to HIBP by dehashed.com.
About Lead Hunter
Lead Hunter is an organization whose data was exposed in this breach. The dataset has been verified by ObscureIQ intelligence and indexed across breach notification platforms.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 68.7M records identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Recommended Actions
⚠️ Do not assume this is low sensitivity.
Non-clients may request a breach impact review.
Frequently Asked Questions
In March 2020, Lead Hunter experienced a data breach that exposed approximately 68.7M records containing personal information.
The exposed data includes fields such as email address, full name, gender, ip address, phone number.
Approximately 68.7M records were affected based on current breach intelligence.
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ObscureIQ Advisory
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- A public-facing individual
- A high-profile executive
- A customer of Lead Hunter
- Or concerned about credential reuse
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