Home / Breach tracker / United States / Marquis Software Solutions Marquis Software Solutions (United States) notified the California Attorney General of a data breach on 11 February 2026.
Breach reported 11 February 2026
Status Confirmed breach
People affected Not reported yet
Reported 11 February 2026 What was exposed
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
What the letter says We have not read this letter yet.
Got a letter or email about this breach? Check it is real →
Read the letter (PDF) , as filed with the California Attorney General.
Sources
Official notices are read by code from the regulator’s own register. More notices to California . · Corrections and changes
Breach reported 26 November 2025
Status Confirmed breach
People affected 354,289 Texas residents (one state’s count; the total can be higher)
Reported 26 November 2025
Across the state notices at least 637,231 people (Oregon, Texas and Washington: each state counts only its own residents)
Breach began 14 August 2025
Time to tell 104 days (the median in California’s notices over the last year: 154 days) What was exposed
What changed since it was first reported 29 October 2026 Confirmed breach, 354,289 Texas residents (Texas Attorney General) Sources
Official notices are read by code from the regulator’s own register. More notices to Oregon , Texas , Iowa , California , Washington . · Corrections and changes
If Marquis Software Solutions had your data
Look for Marquis Software Solutions’s own notice or letter: it should say what of yours was involved. Keep it. The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Marquis Software Solutions has a password of yours, change it now to be safe. Expect scams that use your details: calls, texts or emails pretending to be Marquis Software Solutions, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.
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