BreachCensus

Carnival Corporation and plc

United States of America

Carnival Corporation and plc is an organisation in California. It appears on the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register and the Delaware Attorney General data security breach database with 4 confirmed incidents (5 filings); the most recent notice was filed on October 18, 2021.

Data as of October 17, 2026.

Confirmed incident

US-CA

Occurred
March 12, 2021
Disclosed
October 18, 2021

Timeline

  1. October 18, 2021
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
What a California notice means

Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

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

California breach-notification register ↗

Confirmed incident

US-MA

Disclosed
July 27, 2021

Timeline

  1. July 27, 2021
    Reported to regulator Regulator

    MA AG breach notification: 411 Massachusetts residents affected

    source
What a Massachusetts notice means

Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

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

Massachusetts breach-notification register ↗

Confirmed incident

US-MA

Disclosed
October 18, 2020

Timeline

  1. October 18, 2020
    Reported to regulator Regulator

    MA AG breach notification: 145 Massachusetts residents affected

    source
Confirmed incident

Filed in DE and CA

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

Occurred
June 4, 2020
Disclosed
October 13, 2020

Timeline

  1. October 13, 2020
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  2. October 13, 2020
    Reported to regulator Regulator

    DE AG breach notification: 5 Delaware residents affected

    source
  3. October 13, 2020
    Reported to regulator Regulator

    DE AG breach notification: 5 Delaware residents affected

    source
  4. October 13, 2020
    Reported to regulator Regulator

    DE AG breach notification: 5 Delaware residents affected

    source
  5. February 4, 2021
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
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 ↗