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Medium

ACLA Data Breach Exposes Social Security Numbers and Medical Information

Anatomic and Clinical Laboratory Associates P.C.

Key points

  • Unauthorized access to ACLA's computer network.
  • Exposed personally identifiable information (names, dates of birth, SSNs, TINs).
  • Exposed protected health information (medical dates of service, provider names, conditions, treatments, diagnoses, history, patient/medical record numbers).

Connected intelligence

Signal brief

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

02

Likely method

Hacking · Confidentiality impact

Threat source not confirmed

03

Potential impact

Potential data exposure

Confidentiality

Published
Jun 23, 2026
Updated
Jun 26, 2026
Confidence
Medium
Evidence
1 source

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 internet-facing systems, credential abuse and exploit activity.

Business impact

Potential data exposure
Impact area
Confidentiality
Likely asset
User or customer data

Mentioned entities

AclapcData DisclosureAnatomic and Clinical Laboratory AssociatesP.CACLAMassachusettsUnauthorizedExposedSSNsTINs

Quick context

Questions about this signal

What happened in this signal?

Anatomic and Clinical Laboratory Associates P.C. (ACLA) disclosed a data breach involving unauthorized access to its computer network. The breach, discovered in December 2025, exposed personally identifiable information (names, dates of birth, Social Security numbers, taxpayer identification numbers) and protected health information (medical dates of service, diagnoses, medical history) for 69 Massachusetts residents.

When was this signal reported?

Shadow Tier lists Jun 23, 2026 as the signal date.

Which organization is connected to this signal?

Aclapc is the organization connected to this public signal.

Explore Aclapc