JeepForum Data Breach
The 2016 JeepForum data breach occurred in February 2016 when JeepForum (jeepforum.com), the premier online enthusiast community for Jeep and off-road vehicle owners operated by VerticalScope, was breached as part of a massive systemic intrusion affecting hundreds of VerticalScope forum properties.
Exposed Data Types
3- Email addresses
- Usernames
- Passwords
About This Breach
What information was affected in the JeepForum incident?
Officially acknowledged by VerticalScope and investigated by KrebsOnSecurity, the compromised database for 507,784 unique accounts encompasses:
- Authentication Credentials: Valid canonical email addresses, forum usernames, and password hashes with cryptographic salts.
- Plaintext (Cracked) Passwords: Passwords cracked from original hashes using dictionary and brute-force cracking methodologies.
How many accounts were affected?
Rigorous canonical RFC extraction and deduplication across 853,569 database rows confirmed 507,784 unique valid email addresses.
Technical analysis and security risks
Attackers compromised the underlying forum infrastructure, facilitating the mass exfiltration and subsequent cracking of stored credentials. The broad availability of cracked plaintext passwords enables automated credential stuffing across diverse corporate and personal online accounts.
Recommended actions for affected users
Current and former members of JeepForum should:
- Immediately rotate credentials across any platforms where identical or similar passwords were ever reused.
- Implement multi-factor authentication (MFA/2FA) on all critical online services.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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