Dueling Network
HighDueling Network suffered a data breach in March 2017, exposing 6.5 million user records including usernames, emails, and MD5-hashed passwords.
Exposed data classes
Fields reported as compromised in this breach record.
Detailed Analysis
In-depth analysis of the breach and its implications.
In March 2017, a data breach involving Dueling Network, an online Flash-based game modeled after the Yu-Gi-Oh trading card game, disclosed 6,486,626 records. The compromised database included usernames, email addresses, IP addresses, and passwords hashed with MD5—a method considered cryptographically weak. While the game itself was terminated in 2016 following a legal order, its forum remained active and was likely the source of the breach.
Impact Analysis
Understanding the scope and consequences of this breach.
- User Impact
- Users faced potential risk of personal information misuse and account compromise.
- Business Impact
- The breach undermined trust in the community and highlighted vulnerabilities in legacy systems.
- Affected Sectors
- Gaming
- Online Communities
- Geographic Impact
- Global
What You Should Do
Recommended actions to take in response to this breach.
If You Were Affected
- •Immediately change passwords for any accounts where the same credential combination was used.
- •Enable multi-factor authentication on important accounts.
- •Monitor accounts for unauthorized access.
Preventive Measures
- •Regularly audit and update security protocols.
- •Use cryptographically secure hash functions such as SHA-256 for password storage.
- •Retire unsupported systems promptly to prevent leaving vulnerabilities exposed.
Frequently Asked Questions
Common questions about this breach and what it means for you.