2026 Maritz Holdings — Oracle EBS breach (CL0P ransomware)
Data compromised
Names, SSNs, financial account information
Technical writeup
Maritz Holdings, a Missouri-based business consulting company, experienced a data breach involving its Oracle E-Business Suite (EBS) platform. Breach occurred August 10-13, 2025; discovered November 2025. CL0P ransomware group exploited a zero-day vulnerability in Oracle EBS. Exfiltrated: names, Social Security numbers, financial account information. Maritz began notifying affected individuals February 27, 2026. Offering 24 months complimentary Experian IdentityWorks credit monitoring with up to $1 million identity theft insurance. Company patched Oracle EBS and implemented enhanced monitoring.
Root cause
CL0P ransomware; Oracle EBS zero-day vulnerability