BreachCensus

Orrick, Herrington & Sutcliffe LLP

United States of America

Orrick, Herrington & Sutcliffe LLP is an organisation in California. 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 November 9, 2023.

Data as of September 12, 2026.

Confirmed incident

US-CA

Occurred
March 10, 2023
Disclosed
November 9, 2023

Timeline

  1. August 14, 2023
    Reported to regulator Regulator

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

    source
  2. November 9, 2023
    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-CA

Occurred
February 28, 2023
Disclosed
July 20, 2023

Timeline

  1. July 20, 2023
    Reported to regulator Regulator

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

    source
  2. August 18, 2023
    Reported to regulator Regulator

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

    source
  3. August 21, 2023
    Reported to regulator Regulator

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

    source
  4. December 28, 2023
    Reported to regulator Regulator

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

    source
Confirmed incident

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

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
March 7, 2023
Disclosed
June 30, 2023

Timeline

  1. June 30, 2023
    Reported to regulator Regulator

    WA AG breach notification: 6,376 Washington residents affected

    source
  2. June 30, 2023
    Reported to regulator Regulator

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

    source
  3. June 30, 2023
    Reported to regulator Regulator

    MA AG breach notification: 14,325 Massachusetts residents affected

    source
  4. July 20, 2023
    Reported to regulator Regulator

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

    source
  5. July 31, 2023
    Reported to regulator Regulator

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

    source
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 ↗

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 ↗