Impact & Downstream Threats
This breach carries high risk due to the nature of exposed data fields and the scale of affected records.
- Credential stuffing against reused passwords across other platforms
- Targeted phishing campaigns using exposed email addresses
- Doxxing risk from physical address exposure
Breach Intelligence
Executive Summary
In November 2015, the US internet and cable TV provider Comcast suffered a data breach that exposed 590k customer email addresses and plain text passwords. A further 27k accounts appeared with home addresses with the entire data set being sold on underground forums.
About Comcast
Telecommunications and media company.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 618K 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 November 2015, Comcast experienced a data breach that exposed approximately 618K records containing personal information.
The exposed data includes fields such as email address, full name, password, physical address, physical address:home.
Approximately 618K records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Comcast
- Or concerned about credential reuse
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