BreachCensus

Horizon Actuarial Services, LLC

United States of America

Horizon Actuarial Services, LLC is an organisation in United States of America. It appears on the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register and the Washington State Attorney General breach-notification register with 3 confirmed incidents; the most recent notice was filed on May 24, 2022.

Data as of September 6, 2026.

Sources

Confirmed incident

US-HI

Disclosed
May 24, 2022

Timeline

  1. May 24, 2022
    Reported to regulator Regulator

    HI AG breach notification: 5,793 Hawaii residents affected

    source
Confirmed incident

Filed in WA, CA and MA — Hacking/IT Incident

The same incident was filed separately with 3 jurisdictions within a few days of each other (WA, CA and MA) — shown here as one incident.

Occurred
November 10, 2021
Disclosed
March 22, 2022

Timeline

  1. March 9, 2022
    Reported to regulator Regulator

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

    source
  2. March 22, 2022
    Reported to regulator Regulator

    WA AG breach notification: 53,256 Washington residents affected

    source
  3. March 22, 2022
    Reported to regulator Regulator

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

    source
  4. March 22, 2022
    Reported to regulator Regulator

    MA AG breach notification: 37,986 Massachusetts residents affected

    source
  5. March 25, 2022
    Reported to regulator Regulator

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

    source
  6. April 11, 2022
    Reported to regulator Regulator

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

    source
  7. April 15, 2022
    Reported to regulator Regulator

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

    source
  8. May 10, 2022
    Reported to regulator Regulator

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

    source
  9. May 18, 2022
    Reported to regulator Regulator

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

    source
  10. May 24, 2022
    Reported to regulator Regulator

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

    source
  11. June 9, 2022
    Reported to regulator Regulator

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

    source
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 ↗

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 Massachusetts notice means

Required under 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-WI

Disclosed
January 13, 2022

Timeline

  1. January 13, 2022
    Reported to regulator Regulator

    WI AG breach notification: 271 Wisconsin residents affected

    source

Related

Disclosed around the same time