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Medium

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.

Key points

  • Unauthorized access to a legacy file server between December 8-16, 2025.
  • Ransomware group Genesis claimed responsibility.
  • Affected approximately 525,306 individuals.

Connected intelligence

Signal brief

Follow the organization, likely method and potential impact to explore connected Shadow Tier intelligence.

02

Likely method

Ransomware

Threat source not confirmed

03

Potential impact

Potential operational disruption

Confidentiality, Availability

Published
May 29, 2026
Updated
Jun 29, 2026
Confidence
Medium
Evidence
2 sources

Structured assessment

Signal analysis

This 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.

Threat source

Threat source not confirmed

Watch ransomware, endpoint compromise and business interruption exposure.

Business impact

Potential operational disruption
Impact area
Confidentiality, Availability
Likely asset
User or customer data, Server or cloud data store

Mentioned entities

ImadiligenceData DisclosureIMA Diligence ServicesLLC Data Breach Affects OverIndividuals IMA Diligence ServicesLLCGenesisNotificationUnauthorizedRansomware

Quick context

Questions about this signal

What happened in this signal?

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.

When was this signal reported?

Shadow Tier lists May 29, 2026 as the signal date.

Which organization is connected to this signal?

Imadiligence is the organization connected to this public signal.

Explore Imadiligence
Which attack pattern is relevant?

This signal is connected to current ransomware incidents based on its reported incident context.

Explore current ransomware incidents