IMA Diligence Services, LLC Data Breach Affects Over 525,000 Individuals
IMA Diligence Services, LLC, a financial due diligence and risk management firm, experienced a data breach in December 2025, where an unauthorized actor gained access to a legacy file server between December 8-16, 2025. The ransomware group Genesis later claimed responsibility. Notification letters were mailed to impacted individuals starting May 29, 2026. The breach affected approximately 525,306 people and exposed names, driver's license numbers, Social Security numbers, financial account information, health insurance information, medical information, and passport numbers.
Signal context
First seen: May 29, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Unauthorized access to a legacy file server between December 8-16, 2025.
- Ransomware group Genesis claimed responsibility.
- Affected approximately 525,306 individuals.
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: Finance and Insurance
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, Server or cloud data store
- 21 signals in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
IMA Diligence Services Data Breach Lawsuit - Class Action Uhttps://classactionu.org/current-data-breaches/ima-diligence-services/Public source from classactionu.org.
IMA Diligence Services Data Breach Investigation - Cole & Van Notehttps://colevannote.com/2026/06/01/ima-diligence-services-data-breach-investigation/Public source from colevannote.com.
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