YO
YouHack
HighA hacking forum breach in 2013 leaked 7.2M user account details, including sensitive data.
7,160,849 recordsBreach May 29, 2013Updated Nov 11, 2026
Exposed data classes
Fields reported as compromised in this breach record.
Email addressesIP addressesPasswordsUsernames
Detailed Analysis
In-depth analysis of the breach and its implications.
The YouHack data breach in May 2013 led to the exposure of personal data, including email addresses, usernames, IP addresses, and passwords, of approximately 7.2 million accounts. This breach predominantly affected a Russian-language hacking forum and included data sets shared through forum posts.
Impact Analysis
Understanding the scope and consequences of this breach.
- User Impact
- Users may face an increased risk of phishing attacks and account tampering.
- Business Impact
- The forum faced reputational damage and possible regulatory scrutiny.
- Affected Sectors
- Cybersecurity
- Internet Forums
- Geographic Impact
- Global
What You Should Do
Recommended actions to take in response to this breach.
If You Were Affected
- •Change passwords for affected accounts.
- •Enable two-factor authentication on important accounts.
- •Monitor email and accounts for suspicious activity.
Preventive Measures
- •Use strong, unique passwords for each service.
- •Ensure passwords are stored securely (e.g., hashed with appropriate algorithms).
- •Stay informed about cybersecurity risks and take proactive measures.
Frequently Asked Questions
Common questions about this breach and what it means for you.
Email addresses, usernames, IP addresses, and mostly unsalted MD5 password hashes were exposed.