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What happened
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.
Data exposed
Frequently asked questions
The Lead Hunter data breach occurred on March 4, 2020. It was added to Have I Been Pwned's breach catalog on June 3, 2020.
68,693,853 accounts were affected by the Lead Hunter data breach, according to Have I Been Pwned's records.
The Lead Hunter breach exposed the following data types: Email addresses, Genders, IP addresses, Names, Phone numbers, Physical addresses.
Yes. Have I Been Pwned has verified the Lead Hunter breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Lead Hunter breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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