BreachCensus

CBIZ, Inc.

Professional ServicesUnited States of America

CBIZ, Inc. is a professional services organisation in United States of America. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 2 confirmed incidents (3 filings); the most recent notice was filed on December 29, 2023.

Data as of September 6, 2026.

Confirmed incident

US-IA

Disclosed
December 29, 2023

Timeline

  1. December 29, 2023
    Reported to regulator Regulator

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

    source
Confirmed incident

Filed in CA and MA

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

Occurred
May 29, 2023
Disclosed
September 1, 2023

Timeline

  1. September 1, 2023
    Reported to regulator Regulator

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

    source
  2. September 1, 2023
    Reported to regulator Regulator

    MA AG breach notification: 31,370 Massachusetts 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 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 ↗