Apollo

Disclosed Oct 5, 2018125,929,660 accountsUnverified

In July 2018, the sales engagement startup Apollo left a database containing billions of data points publicly exposed without a password . The data was discovered by security researcher Vinny Troia who subsequently sent a subset of the data containing 126 million unique email addresses to Have I Been Pwned. The data left exposed by Apollo was used in their "revenue acceleration platform" and included personal information such as names and email addresses as well as professional information including places of employment, the roles people hold and where they're located. Apollo stressed that the

What is known

People affected	125,929,660 (accounts in the leaked data, per Have I Been Pwned)
Disclosed	Oct 5, 2018
Happened	Jul 23, 2018
Attack	Exposed data
Data exposed	EmailsEmploymentLocationNamesPhone numbers
Sector	Tech
Status	Unverified: not yet confirmed by an official notice, a filing or the organization
Check your email	Have I Been Pwned

Sources

Aggregatorhaveibeenpwned.com

Have I Been Pwned: Apollo

Notices filed

Accounts in the dataOct 5, 2018

Have I Been Pwned125,929,660 people

History of this record

Added2026-09-25

First recordedby backfillSource

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

Everything about Apollo