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 June 2018, the massively multiplayer online role-playing game (MMORPG) Mortal Online suffered a data breach. A file containing 570k email addresses and cracked passwords was subsequently distributed online. A larger more complete file containing 607k email addresses with original unsalted MD5 password hashes along with names, usernames and physical addresses was later provided and the original breach in HIBP was updated accordingly. The data was provided to HIBP by whitehat security researcher and data analyst Adam Davies.
About Mortal Online
Mortal Online 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 607K 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 June 2018, Mortal Online experienced a data breach that exposed approximately 607K records containing personal information.
The exposed data includes fields such as email address, full name, password, physical address, username.
Approximately 607K records were affected based on current breach intelligence.
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- A public-facing individual
- A high-profile executive
- A customer of Mortal Online
- Or concerned about credential reuse
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