BreachCensus

The Vanguard Group, Inc.

United States of America

The Vanguard Group, Inc. is an organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register with 15 confirmed incidents; the most recent notice was filed on February 11, 2026.

Data as of September 12, 2026.

Confirmed incident

US-MA

Disclosed
February 11, 2026

Timeline

  1. February 11, 2026
    Reported to regulator Regulator

    MA AG breach notification: 1 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
July 30, 2025

Timeline

  1. July 30, 2025
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
October 24, 2024

Timeline

  1. October 24, 2024
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
May 9, 2024

Timeline

  1. May 9, 2024
    Reported to regulator Regulator

    MA AG breach notification: 3 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
November 21, 2023

Timeline

  1. November 21, 2023
    Reported to regulator Regulator

    MA AG breach notification: 10 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
February 23, 2021

Timeline

  1. February 23, 2021
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
December 9, 2020

Timeline

  1. December 9, 2020
    Reported to regulator Regulator

    MA AG breach notification: 2 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
October 12, 2020

Timeline

  1. October 12, 2020
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
April 27, 2020

Timeline

  1. April 27, 2020
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
April 24, 2020

Timeline

  1. April 24, 2020
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
June 4, 2019

Timeline

  1. June 4, 2019
    Reported to regulator Regulator

    MA AG breach notification: 3 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
March 25, 2019

Timeline

  1. March 25, 2019
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
March 18, 2019

Timeline

  1. March 18, 2019
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
January 16, 2019

Timeline

  1. January 16, 2019
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
January 3, 2019

Timeline

  1. January 3, 2019
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source