Impact & Downstream Threats
This breach carries high risk due to the nature of exposed data fields and the scale of affected records.
- SIM swap attacks where phone numbers are present
- Targeted phishing campaigns using exposed email addresses
- Doxxing risk from physical address exposure
- Employment-based social engineering using job and employer data
Breach Intelligence
Executive Summary
In mid-2017, a spam list of over 105 million individuals in corporate America was discovered online. Referred to as "B2B USA Businesses", the list categorised email addresses by employer, providing information on individuals' job titles plus their work phone numbers and physical addresses. Read more about spam lists in HIBP.
About B2B USA Businesses
B2B USA Businesses is an organization whose data was exposed in this breach. The dataset has been verified by ObscureIQ intelligence and indexed across breach notification platforms.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 105.1M records identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Recommended Actions
⚠️ Do not assume this is low sensitivity.
Non-clients may request a breach impact review.
Frequently Asked Questions
In July 2017, B2B USA Businesses experienced a data breach that exposed approximately 105.1M records containing personal information.
The exposed data includes fields such as email address, employer, full name, job information:job title, phone number.
Approximately 105.1M records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of B2B USA Businesses
- Or concerned about credential reuse
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