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Jefferson County Health Department (Missouri) ransomware data breach (2022)

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115,940 people

What leaked7

Hard to replace

  • Driver's licence number
  • Home or delivery address
  • Other profile data

Permanent

  • Health information
  • Social Security number
  • Date of birth
  • Full name
  • Health informationdiagnoses, lab results, medications and other treatment information
  • Other profile dataclaims and financial information

To-dos6 · about 1 h 30 min in all

  1. Freeze your credit at Equifax, Experian and TransUnionabout 30 minfreeStops: credit in your name (opens in a new tab)
  2. Get an IRS Identity Protection PINabout 20 minStops: tax refund fraud (opens in a new tab)
  3. Place a fraud alert on your credit reportsabout 10 minfreeLimits harm from: credit in your name (opens in a new tab)
  4. Check your credit reports every week, freeabout 20 minfreeHelps you notice: credit in your name (opens in a new tab)
  5. Turn on instant transaction alertsabout 5 minHelps you notice: bank account fraud
  6. Freeze your NCTUE phone and utility fileabout 10 minfreeLimits harm from: phone or utility account (opens in a new tab)

What happened next7 events

  1. Undetected 2 events15 days · show events
  2. Response 1 eventNo individual notice on record · show events
  3. Remedy 1 eventUntil November 16, 2026 · Back to latest
  4. PenaltyNone on record
  5. Disputes 3 eventsOngoing · show events

Remedy: 1 event

Back to latest
  1. Settlement claims, opt-outs and objections open until November 16, 2026; fairness hearing on December 10, 2026Until November 16, 2026
Company
Jefferson County Health Department · Missouri
When it happened
–
Company detected it
Notice
Leak confirmed
Affected
115,940 people · the health department's report to HHS

Sources