Impact & Downstream Threats
This breach carries moderate 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 December 2018, Mappery, an online platform dedicated to map sharing and cartography enthusiasts, suffered a data breach that compromised over 205,000 user accounts. The exposed information included email addresses and passwords hashed using the unsalted SHA-1 algorithm, which is widely regarded as insecure due to its susceptibility to rapid cracking,
About Mappery
Online map collection and sharing platform.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 20K 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 December 2018, Mappery experienced a data breach that exposed approximately 20K records containing personal information.
The exposed data includes fields such as email address, geographic locations, password, username.
Approximately 20K records were affected based on current breach intelligence.
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ObscureIQ Advisory
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- A public-facing individual
- A high-profile executive
- A customer of Mappery
- Or concerned about credential reuse
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