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Confirmed breach

Maximus data breach

USUnited States · VA · Maximus Inc

Maximus (VA, United States) notified the Oregon Department of Justice, the Iowa Attorney General, the US Securities and Exchange Commission (8-K Item 8.01), the California Attorney General and the Washington Attorney General of a data breach on 26 July 2023. It told the states about 23,374 Washington residents; the total can be higher. The breach began on 27 May 2023, 60 days before it was reported.

Status
Confirmed breach
People affected
23,374 Washington residents (one state’s count; the total can be higher)
Reported
26 July 2023
Breach began
27 May 2023
Time to tell
60 days (the median in California’s notices over the last year: 154 days)

What was exposed

The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.

Before the notice: the ransomware gang Cl0p named Maximus on its leak site on 26 July 2023. Matched by the organisation’s name: the notice itself does not say who the attacker was.

What changed since it was first reported

  1. Confirmed breach, 23,374 Washington residents (Washington Attorney General)

Sources

Official notices are read by code from the regulator’s own register. More notices to Oregon, Iowa, SEC filings, California, Washington. · Corrections and changes

If Maximus had your data

  1. Look for Maximus Inc’s own notice or letter: it should say what of yours was involved. Keep it.
  2. The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Maximus Inc has a password of yours, change it now to be safe.
  3. Expect scams that use your details: calls, texts or emails pretending to be Maximus Inc, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.

One email to confirm first. We use your address only for this alert, and one click deletes it.

Earlier breaches at Maximus

From the official registers’ and Have I Been Pwned’s full histories. A name match: check the notice to be sure it is the same company.

  1. California Attorney General · began 17 May 2021
  2. Washington Attorney General · 2,560 Washington residents

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Every breach in United States →

From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.