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Quest Diagnostics: possible patient data breach via billing collections vendor AMCA

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Made public · about 11.9 million Quest Diagnostics patients

What leaked5

Replaceable

  • Card number

Hard to replace

  • Bank account number
  • Other profile data

Permanent

  • Health information
  • Social Security number
  • Card numbercredit card numbers
  • Health informationmedical information; lab test results were not involved
  • Bank account numberbank account information
  • Other profile dataother personal information · details not stated

To-dos

None of the harms this check covers.

What happened next4 events

  1. Undetected 2 events286 days · show events
  2. Response 2 eventsNo individual notice on record · show events
  3. RemedyNone on record
  4. PenaltyNone on record
  5. DisputesNone on record
  1. By the filing date, stopped sending collection requests to AMCA
  2. SEC Form 8-K: AMCA estimated that data of about 11.9 million Quest patients was on its affected system; Quest could not verify it
  3. AMCA told Quest Diagnostics and Optum360 of possible unauthorised activity on its web payment page
  4. Intrusion began
Company
Quest Diagnostics
When it happened
–
Company detected it
Made public
Affected
about 11.9 million Quest Diagnostics patients · approx.; AMCA's estimate as of May 31, 2019, which Quest could not verify; SEC filing

Sources