BreachCensus

Arbiter Sports

United States of America

Arbiter Sports is an organisation in Delaware. It appears on the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register, the Washington State Attorney General breach-notification register and the Delaware Attorney General data security breach database with 1 confirmed incident (3 filings); the most recent notice was filed on August 24, 2020.

Data as of October 17, 2026.

Confirmed incident

Filed in DE, CA, MA and WA — Unauthorized Access/Disclosure

The same incident was filed separately with 4 jurisdictions within a few days of each other (DE, CA, MA and WA) — shown here as one incident.

Occurred
June 3, 2020
Disclosed
August 24, 2020

Timeline

  1. August 24, 2020
    Reported to regulator Regulator

    WA AG breach notification: 16,465 Washington residents affected

    source
  2. August 24, 2020
    Reported to regulator Regulator

    DE AG breach notification: 1,790 Delaware residents affected

    source
  3. August 24, 2020
    Reported to regulator Regulator

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

    source
  4. August 24, 2020
    Reported to regulator Regulator

    DE AG breach notification: 1,790 Delaware residents affected

    source
  5. August 24, 2020
    Reported to regulator Regulator

    DE AG breach notification: 1,790 Delaware residents affected

    source
  6. August 24, 2020
    Reported to regulator Regulator

    MA AG breach notification: 11,889 Massachusetts residents affected

    source

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
  • 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 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 ↗

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 ↗

What a Washington notice means

Governed by 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 ↗