Breach date: 2019-08-01. Added to this index: 2026-09-22. Accounts affected: about 18M. Domain: limeleads.com.
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.
Breach data sourced from Have I Been Pwned, used under CC BY 4.0. Additional breach metadata provided by XposedOrNot. DataExposed is an independent service and is not affiliated with or endorsed by either.
What was exposed
Email addresses: The email address you used to register or log in. It is the most common field in breaches because it doubles as your username on most sites.
Employers: The name of the company or organisation you work for, collected by professional networks, job sites, insurers, lenders and many signup forms.
Geographic locations: A general location recorded on your account, such as a country, state, city, postcode or region, either typed in by you or estimated from your IP address.
Job titles: Your role or position, such as accounts payable officer, nurse or IT administrator, recorded by professional networks, business software, event registrations and marketing lists.
Phone numbers: Your mobile or landline number, collected at signup for contact, delivery updates, marketing and two-factor codes.
What to do now
Check whether your own address is in this dataset with the free email breach check.
Review the accounts connected to this service and turn on two-factor authentication.
Turn on two-factor authentication on your email account first, because it is the reset path for everything else.
Treat calls and messages that quote real details about you as hostile until you verify them another way.
Frequently asked questions
What data was leaked in the LimeLeads breach?
The LimeLeads breach exposed Email addresses, Employers, Geographic locations, Job titles, Phone numbers. About 18M accounts were affected.
Was I affected by the LimeLeads breach?
Run the free email breach check with the address you used on that service. It will tell you whether your address appears in this dataset.
What should I do about the LimeLeads breach?
Treat any message that quotes details from this breach as suspicious, turn on two-factor authentication, and consider removing your details from people-search sites if your address or phone was included.