Breachesby GlyphDemandScience by Pure Incubation
Disclosed Nov 13, 2024121,796,165 accountsUnverified
Leak from decommissioned DemandScience system exposes 122 million business contacts
A corpus from B2B data firm DemandScience appeared for sale in early 2024 and was later attributed to a leak from a decommissioned legacy system. It held 122 million unique business email addresses with names, phone numbers, employers, job titles and LinkedIn links.
What is known
| People affected | 121,796,165 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Nov 13, 2024 |
| Happened | Feb 28, 2024 |
| Attack | Exposed data |
| Data exposed | EmailsEmploymentNamesPhone numbersAddresses |
| Sector | Data brokers · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
aggregator to pressby seedSource
empty to USby seedSource
tech to databy seedSource
hacking to misconfigurationby seedSource
In early 2024, a large corpus of data from DemandScience (a company owned by Pure Incubation), appeared for sale on a popular hacking forum . Later attributed to a leak from a decommissioned legacy system, the breach contained extensive dat to A corpus from B2B data firm DemandScience appeared for sale in early 2024 and was later attributed to a leak from a decommissioned legacy system. It held 122 million unique business email addresses with names, phone numbers, employers, job by seedSource
empty to Leak from decommissioned DemandScience system exposes 122 million business contactsby seedSource
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.