Skip to content

Managed Care of North America

1 breach8.9M affected in allHealthcaremcna.net

BreachAffected
LockBit ransomware attack on MCNA Dental exposes data of 8.9 million peopleMay 26, 20233 years agoRansomware8.9M
About

Every breach here links to its sources and official notices. Across fru.dev: lawsuits, incidents and outages.

  • 2026-09-25 · Managed Care of North America, 2023-05-26 · source: https://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · records: 8923662
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · source: https://ago.vermont.gov/document/2023-05-26-managed-care-north-america-data-breach-notice-consumers
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · sector: insurance
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · attack: ransomware
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · data_types: ["names","addresses","dob","phone","emails","ssn","government-id","health","insurance","financial"]
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · records_basis: organization
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · records: 8900000
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · summary: Dental insurer MCNA, which serves Medicaid and CHIP members, became aware of unauthorized activity on March 6, 2023 and found that an attacker had viewed and copied data from late February. Its Maine filing put the total at more than 8.9 mi
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · title: LockBit ransomware attack on MCNA Dental exposes data of 8.9 million people
  • 2026-09-25 · Managed Care of North America · domain: mcna.net
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · attack: hacking
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · discovered: 2023-03-06
  • 2026-09-25 · Managed Care of North America, 2023-05-26 · added
  • 2026-09-25 · Managed Care of North America · added

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.