// UNCLASSIFIED // CLEARED FOR PUBLIC RELEASE //
FILE BRC-newsDTG 0600Z
ColdRecon / Breach Radar / Apollo.io
Breach Record

Apollo.io

DISCLOSED 2025-08-08 · UNKNOWN · 1,033,690 RECORDS EXPOSED

In June 2024, a database containing over 1 million B2B records from Apollo.io was discovered on the darkweb. The exposed data did not include passwords. The breach was confirmed by HEROIC analysts.

The record

What we know

Disclosed
2025-08-08
Sector
B2B data / sales intelligence
Records exposed
1,033,690
Domain
apollo.io
Data classes exposed
B2B records
ColdRecon assessment

Could a positive-security control have prevented this?

Verdict · unclear · opinion

Insufficient details about the attack method to assess whether a positive-security model would have prevented it.

Our assessments are opinion, grounded in the cited public facts. Read them critically.

Sources

Cited reporting

This page is the permanent ColdRecon entry for the Apollo.io disclosure. It updates if new public reporting emerges. All tracked breaches →

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