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Response snapshot Oct 27, 2026, 04:33 UTC

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Disclosed incidenthibp-limeleads

LimeLeads breach: 17,838,396 accounts exposed

In 2019, the now-defunct B2B marketing leads database service LimeLeads suffered a data breach due to an exposed, unsecured Elasticsearch server. The incident exposed tens of millions of records of largely corporate contact data containing 17.

At a glance

Sources
1 source

What to do

If you or your organization used this service, change reused passwords, watch for phishing that uses the exposed data, and check the disclosure for the organization's guidance.

Read Have I Been Pwned: LimeLeads (opens a new tab)

What happened

In 2019, the now-defunct B2B marketing leads database service LimeLeads suffered a data breach due to an exposed, unsecured Elasticsearch server. The incident exposed tens of millions of records of largely corporate contact data containing 17.8M unique email addresses, along with phone numbers, employers, job titles and geographic locations including state, city and postcode.

Related technology

Sources

  1. Primary source

    Have I Been Pwned: LimeLeads (opens a new tab)

    Verified breach loaded into Have I Been Pwned: account count, exposed data types, and dates.

    Published Checked

  2. Primary source

    Have I Been Pwned breach API (opens a new tab)

    The breach list that supplied this entry.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, September 22). LimeLeads breach: 17,838,396 accounts exposed. https://kevwire.com/record/hibp-limeleads

MLA

"LimeLeads breach: 17,838,396 accounts exposed." KEVWire, 22 Sept. 2026, kevwire.com/record/hibp-limeleads.

Chicago

KEVWire. "LimeLeads breach: 17,838,396 accounts exposed." Last modified September 22, 2026. https://kevwire.com/record/hibp-limeleads.

Evidence summary (plain text)

LimeLeads breach: 17,838,396 accounts exposed (Sep 22, 2026).
In 2019, the now-defunct B2B marketing leads database service LimeLeads suffered a data breach due to an exposed, unsecured Elasticsearch server. The incident exposed tens of millions of records of largely corporate contact data containing 17.8M unique email addresses, along with phone numbers, employers, job titles and geographic locations including state, city and postcode.
Sources:
Have I Been Pwned: LimeLeads: https://haveibeenpwned.com/Breach/LimeLeads
Have I Been Pwned breach API: https://haveibeenpwned.com/api/v3/breaches
Record ID: hibp-limeleads.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 04:25 UTC. Ingestion is not an independent editorial investigation.

Verified by Have I Been Pwned. Breach date: 2019-08-01; loaded 2026-09-22. Exposed data: Email addresses, Employers, Geographic locations, Job titles, Phone numbers. Counts are accounts in the loaded data, not necessarily distinct people.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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