
Hertz Corporation Data Breach
Disclosed on April 14, 2025, this breach affected 1,000,175 individuals across Hertz, Dollar, and Thrifty brands. The incident stemmed from zero-day vulnerabilities in Cleo's file transfer platform, which were exploited by the Clop ransomware gang in October and December 2024. Compromised data included names, contact information, dates of birth, credit card details, driver's licenses, and workers' compensation claims. A smaller subset also had Social Security numbers, government IDs, passports, or injury-related data exposed. Hertz's internal network was not directly impacted.
Signal context
First seen: Apr 14, 2025
Last updated: Jun 26, 2026
Status: Public signal
Key points
- Affected 1,000,175 individuals.
- Disclosed on April 14, 2025.
- Caused by exploitation of zero-day vulnerabilities in Cleo's file transfer platform by Clop ransomware gang.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Information
Likely country: Location not provided
Watch ransomware, endpoint compromise and business interruption exposure.
- Source type: outside the affected organization
Impact area: Confidentiality, Availability
Likely asset: User or customer data
- 26 signals in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
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