BreachCensus

Walgreen Co.

United States of America

Walgreen Co. is an organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 10 confirmed incidents; the most recent notice was filed on May 21, 2024.

Data as of September 13, 2026.

Confirmed incident

US-MA

Disclosed
May 21, 2024

Timeline

  1. May 21, 2024
    Reported to regulator Regulator

    MA AG breach notification: 5 Massachusetts residents affected

    source
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 ↗

Confirmed incident

US-MA

Disclosed
May 28, 2021

Timeline

  1. May 28, 2021
    Reported to regulator Regulator

    MA AG breach notification: 4 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
April 15, 2021

Timeline

  1. April 15, 2021
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
December 22, 2020

Timeline

  1. December 22, 2020
    Reported to regulator Regulator

    MA AG breach notification: 2 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
December 4, 2020

Timeline

  1. December 4, 2020
    Reported to regulator Regulator

    MA AG breach notification: 2 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
October 20, 2020

Timeline

  1. October 20, 2020
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
October 8, 2020

Timeline

  1. October 8, 2020
    Reported to regulator Regulator

    MA AG breach notification: 2 Massachusetts 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 26, 2020
Disclosed
July 24, 2020

Timeline

  1. July 24, 2020
    Reported to regulator Regulator

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

    source
  2. July 24, 2020
    Reported to regulator Regulator

    MA AG breach notification: 16 Massachusetts 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
January 9, 2020
Disclosed
February 28, 2020

Timeline

  1. February 28, 2020
    Reported to regulator Regulator

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

    source
Confirmed incident

US-CA

Occurred
December 20, 2017
Disclosed
June 19, 2018

Timeline

  1. June 19, 2018
    Reported to regulator Regulator

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

    source