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LimeLeads Data Breach History

Data Broker / B2B Marketing United States
Website

LimeLeads was a now-defunct U.S. B2B marketing leads database / data-broker service.

This page shows all data breaches of LimeLeads. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

1Total breaches
17.8MRecords breached
August 2019Last breach
36 AI Breach Risk score Moderate

Data Breach Timeline — All LimeLeads Breaches

LimeLeads Data Breach Summary

This page tracks the LimeLeads data breach history and cybersecurity incidents affecting LimeLeads (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2019, with approximately 17.8 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The LimeLeads breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest LimeLeads Data Breaches

The largest indexed incidents include the 2019 LimeLeads — unsecured Elasticsearch; 17.8M unique emails (HIBP Sep 2026). Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by LimeLeads or a regulator. Below is the list of large data breaches:

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, phone numbers, physical addresses, health and medical (PHI) records, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

LimeLeads Data Breach 2026

At the time of this update, no LimeLeads data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a LimeLeads data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This LimeLeads breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.

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