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Confidence HighOct 31, 2024summitpathology.com

Summit Pathology Laboratories Data Breach Exposes Personal Information of Over 1.8 Million Individuals

PatternExternal actor · Malware · Confidentiality impact

Summit Pathology Laboratories, Inc., a Colorado pathology service provider, had widespread reporting and class action investigation announcements on October 31, 2024, regarding a data breach. Cybercriminals infiltrated their computer environment on or around April 18, 2024, potentially accessing and acquiring files containing sensitive personal information of approximately 1,813,538 individuals. The attack was attributed to the Medusa ransomware group.

Signal date
Oct 31, 2024
Updated
Jul 2, 2026
Confidence
High
Sources
2 sources

Signal context

First seen: Oct 31, 2024

Last updated: Jul 2, 2026

Status: Public signal

Key points

  • Approximately 1,813,538 individuals affected.
  • Exposed data includes names, Social Security numbers, dates of birth, medical information, health insurance information, financial information, and addresses.
  • The incident was detected on or around April 18, 2024, and was a ransomware attack.

Signal analysis

Beta

It helps compare this signal with other published signals without treating the labels as final determinations.

Affected organization
Summitpathology logo
Summitpathology

Likely country: Location not provided

Threat source
Malware activity

Watch ransomware, endpoint compromise and business interruption exposure.

  • Source type: outside the affected organization
Business impact
Potential operational disruption

Impact area: Confidentiality, Availability

Likely asset: User or customer data

Trend context
26 signals with similar action pattern
  • 1 signal in the same sector
  • 100 signals with the same likely impact area
  • 1 signal linked to this organization/domain
Mentioned entities
SummitpathologyData DisclosureExposes Personal Information of OverMillion Individuals Summit Pathology LaboratoriesIncColoradoCybercriminalsMedusaApproximatelyExposed

External sources

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