Mortal Online Data Breach
Status: Confirmed
Breach Intelligence Summary
Entity: Mortal Online · Actor: Play · Source: Have I Been Pwned / ObscureIQ intelligence
Attack: Data Exfiltration via Under investigation
Timeline: Breach (Jun, 2018) · Reported (Aug, 2018) · Leak (8/31/18)
Exposure: 607K+ records · Email, Names, Passwords, Physical addresses, Usernames
Status: Confirmed · Risk: Moderate (Account takeover)
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 the organization affected by this breach. User data may have been generated through account creation, service usage, or business operations.
If you have interacted with Mortal Online in any capacity, your data may be included in this breach.
Threat Actor: Play
This breach has been attributed to Play. The group is known for data theft campaigns targeting organizations through various intrusion methods.
- Under investigation
Breach Exploitation Status
Moderate
Status
Detected
Detected
Possible
Unknown
Unknown
1–3 years
Email addresses and usernames persist but credentials may rotate. Phishing risk remains elevated during this window.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 607K+ records has been identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Impact
This breach carries moderate risk due to the nature of exposed data fields and the scale of affected records.
- Targeted phishing referencing Mortal Online accounts or services
- Credential stuffing against accounts sharing the same password
- Physical mail scams and address-based identity verification fraud
- Data broker enrichment and resale
Recommendations for Impacted Individuals
If you believe your information may be included:
Non-clients may request a breach impact review.
Mortal Online account updates
Password reset requests
Verify directly through official channels.
Email compromise is often the first pivot point.
Frequently Asked Questions
In Jun, 2018, Mortal Online experienced a data breach that resulted in the exposure of approximately 607K+ records containing personal information.
The exposed data includes Email, Names, Passwords, Physical addresses, Usernames.
Approximately 607K+ records were affected based on current breach intelligence.
Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.
Data circulation has been detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.
Rotate passwords associated with Mortal Online, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.
Protect Yourself
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Corporate Accountability
Organizations that collect personal data have a duty to implement reasonable safeguards and to notify affected individuals when breaches occur.
Scope assessments may evolve as investigations continue. Users should not rely solely on early estimates when making risk decisions.
ObscureIQ Advisory
We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.
- A public-facing individual
- A high-profile executive
- A customer of Mortal Online
- Or simply concerned about credential reuse
We can confirm whether your information is circulating and evaluate downstream threat vectors.