HIGH SEVERITYVideo Games

Dota2 Data Breach

Verified by ObscureIQ Intelligence
Xinf@

7.0Severity
1.9MRecords
4Data Fields
2016Year

Impact & Downstream Threats

This breach carries high risk due to the nature of exposed data fields and the scale of affected records.

Primary downstream threats:
  • Credential stuffing against reused passwords across other platforms
  • Targeted phishing campaigns using exposed email addresses

Breach Intelligence

EntityDota2
OrganizationProduct/Platform • USA
Breach DateJuly 2016
Disclosure45435.0
Records Exposed~1.9M
Attack VectorMisconfiguration
SourceHave I Been Pwned / ObscureIQ intelligence
StatusConfirmed

Executive Summary

In July 2016, the Dota2 official developers forum suffered a data breach that exposed almost 2 million users. The hack of the vBulletin forum led to the disclosure of email and IP addresses, usernames and passwords stored as salted MD5 hashes.

About Dota2

Online multiplayer video game by Valve.

Product/PlatformUSAdota2.com

Data Points Exposed

Verified fields in the released dataset:
Email addresses
IP addresses
Passwords
Usernames

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 1.9M 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.

Change Passwords
Change your Dota2 password immediately and any account sharing similar credentials.
Expect Targeted Phishing
Watch for emails referencing this breach. Verify communications through official channels.
Secure Email & Enable MFA
Email compromise is often the first pivot point. Enable multi-factor authentication.
Monitor Financial Accounts
Watch for unauthorized credit applications and suspicious activity.
Check Your Exposure
ObscureIQ clients: this breach is indexed in your profile.
Non-clients may request a breach impact review.

Frequently Asked Questions

What happened in the Dota2 data breach?▾

In July 2016, Dota2 experienced a data breach that exposed approximately 1.9M records containing personal information.

What data was exposed?▾

The exposed data includes fields such as email address, ip address, password, username.

How many records were affected?▾

Approximately 1.9M records were affected based on current breach intelligence.

Protect Yourself

Check If You’re Affected

Enter your email to check if your data appears in this breach.

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High-Risk? Get an Exposure Audit

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Request Consultation

ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of Dota2
  • Or concerned about credential reuse
Services
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Contact
Phone(855) 763-7273Emailinfo@obscureiq.com

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Classification Tags

MisconfigurationVideo GamesEmailPasswords

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