Skip to content

Elasticsearch Instance of Sales Leads on AWS

Disclosed Nov 17, 20187 years ago5,788,169 accountsUnverified

In October 2018, security researcher Bob Diachenko identified multiple exposed databases with hundreds of millions of records . One of those datasets was an Elasticsearch instance on AWS containing sales lead data and 5.8M unique email addresses. The data contained information relating to individuals and the companies they worked for including their names, email addresses and company name and contact information. Despite best efforts, it was not possible to identify the owner of the data hence this breach as been titled "Elasticsearch Sales Leads".

What is known

People affected5,788,169 (accounts in the leaked data, per Have I Been Pwned)
DisclosedNov 17, 2018
HappenedOct 29, 2018
AttackExposed data
Data exposedEmails, Employment, Names, Addresses
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Elasticsearch Instance of Sales Leads on AWShaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataNov 17, 20185,788,169
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Elasticsearch Instance of Sales Leads on AWS

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.