BreachCensus

Hilton Worldwide, Inc.

United States of America

Hilton Worldwide, Inc. is an organisation in California. It appears on the California Attorney General breach-notification register and the Washington State Attorney General breach-notification register with 1 confirmed incident (2 filings); the most recent notice was filed on November 24, 2015.

Data as of September 1, 2026.

Sources

Confirmed incident

Filed in CA and WA

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

Occurred
November 18, 2014
Disclosed
November 24, 2015

Timeline

  1. November 24, 2015
    Reported to regulator Regulator

    WA AG breach notification: an unknown number of Washington residents affected

    source
  2. November 24, 2015
    Reported to regulator Regulator

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

    source
What a California notice means

Required under 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 ↗

What a Washington notice means

Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

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

Washington breach-notification register ↗

Related

Disclosed around the same time