Maximus MOVEit data theft

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Made public · 8,000,000 people

What leaked10

Hard to replace

  • Driver's licence number
  • Health insurance or Medicare number
  • Mobile number
  • Home or delivery address
  • Email address
  • Other profile data

Permanent

  • Health information
  • Social Security number
  • Date of birth
  • Full name
  • Health informationmedical history, conditions, diagnoses, treatments, providers and prescriptions
  • Social Security numberSSN or individual taxpayer identification number
  • Driver's licence numberdriver's licence or state ID number
  • Health insurance or Medicare numberMedicare Beneficiary Identifier or Health Insurance Claim Number; CMS is issuing new Medicare cards where the Medicare number was involved
  • Mobile numbertelephone or fax number
  • Other profile datahealth insurance claims, policy and enrollment information

To-dos13 · about 3 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. Turn on instant transaction alertsabout 5 minHelps you notice: bank account fraud, scam calls
  4. Place a fraud alert on your credit reportsabout 10 minfreeLimits harm from: credit in your name (opens in a new tab)
  5. Check your credit reports every week, freeabout 20 minfreeHelps you notice: credit in your name (opens in a new tab)

What happened next9 events

Undetected: 2 events

Back to latest
  1. Detected unusual activity in its MOVEit application and stopped all use of it early on May 31, 2023
  2. Intrusion began
Company
Maximus
When it happened
–
Company detected it
Made public
Notice
Leak confirmed
Affected
8,000,000 people · at least 8 to 11 million; Maximus July 26, 2023, including about 612,000 Medicare beneficiaries · CMS