BreachCensus

Marquis Software Solutions, Inc.

United States of America

Marquis Software Solutions, Inc. is an organisation in Delaware. It appears on the Delaware Attorney General data security breach database and the Iowa Attorney General security breach notification list with 1 confirmed incident; the most recent notice was filed on November 26, 2025.

Data as of October 17, 2026.

Confirmed incident

Filed in DE and IA

The same incident was filed separately with 2 jurisdictions within a few days of each other (DE and IA) — shown here as one incident.

Occurred
August 14, 2025
Disclosed
November 26, 2025

Timeline

  1. November 26, 2025
    Reported to regulator Regulator

    DE AG breach notification: 937 Delaware residents affected

    source
  2. November 26, 2025
    Reported to regulator Regulator

    IA AG breach notification: an unknown number of Iowa residents affected

    source
  3. November 26, 2025
    Reported to regulator Regulator

    DE AG breach notification: 937 Delaware residents affected

    source
  4. November 26, 2025
    Reported to regulator Regulator

    DE AG breach notification: 937 Delaware residents affected

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a Delaware notice means

Governed by 6 Del. C. §12B-102. Notice to the Attorney General is required when a breach affects more than 500 Delaware residents.

Note: the count is Delaware residents only, not a total.

Delaware breach-notification register ↗

What a Iowa notice means

Governed by Iowa Code §715C.2. Notice to the Attorney General is required within five business days of notifying consumers, for a breach requiring notification to more than 500 Iowa residents.

Note: no affected-count is published on this register.

Iowa breach-notification register ↗