MCResolver Data Breach
Status: Confirmed
Breach Intelligence Summary
Entity: MCResolver · Actor: Play · Source: DataBreach.com / ObscureIQ intelligence
Attack: Vulnerability Exploitation via Vulnerability exploitation
Timeline: Breach (Jan, 2015) · Reported (Feb, 2025) · Leak (2/4/25)
Exposure: 13.1M+ records · IP Address
Status: Confirmed · Risk: Low (Credential reuse / phishing)
Summary
MCResolver was a significant data breach that exposed over 13 million rows of data around the end of 2014. The incident involved an IP resolver service widely used within the Minecraft community which inadvertently returned sensitive information—specifically the usernames and corresponding IP addresses of players. This vulnerability allowed unauthorized access to real-world connection details thereby creating serious privacy risks and opening the door for potential targeted attacks such as distributed denial-of-service (DDoS) assaults.
About MCResolver
MCResolver 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 MCResolver 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.
- Vulnerability exploitation
Breach Exploitation Status
Low
Status
Unknown
Unknown
Unknown
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 13.1M+ records has been identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Impact
This breach carries low risk due to the nature of exposed data fields and the scale of affected records.
- Targeted phishing referencing MCResolver accounts or services
- 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.
MCResolver account updates
Password reset requests
Verify directly through official channels.
Email compromise is often the first pivot point.
Frequently Asked Questions
In Jan, 2015, MCResolver experienced a data breach that resulted in the exposure of approximately 13.1M+ records containing personal information.
The exposed data includes IP Address.
Approximately 13.1M+ 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 reported across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.
Rotate passwords associated with MCResolver, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.
Protect Yourself
Check If You’re Affected
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High-Risk? Get an Exposure Audit
Executives, public figures, and high-net-worth individuals face elevated risk. Our team provides full-spectrum exposure audits and threat monitoring.
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 MCResolver
- Or simply concerned about credential reuse
We can confirm whether your information is circulating and evaluate downstream threat vectors.