BreachCensus

Allstate

InsuranceUnited States of America

Allstate is an insurance organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register and the Texas Attorney General breach-notification register with 6 confirmed incidents (7 filings); the most recent notice was filed on August 24, 2026.

Data as of September 6, 2026.

Confirmed incident

Filed in MA and TX

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

Occurred
June 19, 2026
Disclosed
August 21, 2026
Records affected
2,604

Timeline

  1. August 21, 2026
    Reported to regulator Regulator

    TX AG breach notification: 377 Texas residents affected

    source
  2. August 24, 2026
    Reported to regulator Regulator

    MA AG breach notification: 4 Massachusetts residents affected

    source
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 ↗

What a Texas notice means

Required under Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.

Note: the published count is a total, not limited to Texas residents.

Texas breach-notification register ↗

Confirmed incident

US-MA

Disclosed
March 14, 2023

Timeline

  1. March 14, 2023
    Reported to regulator Regulator

    MA AG breach notification: 144 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
October 28, 2022

Timeline

  1. October 28, 2022
    Reported to regulator Regulator

    MA AG breach notification: 13 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
January 21, 2021

Timeline

  1. January 21, 2021
    Reported to regulator Regulator

    MA AG breach notification: 1 Massachusetts residents affected

    source
Confirmed incident

US-MA

Disclosed
April 19, 2019

Timeline

  1. April 19, 2019
    Reported to regulator Regulator

    MA AG breach notification: 2 Massachusetts residents affected

    source
Unverified claim

US — Ransomware Attack

This is an unverified claim — it has allegedly happened to this organisation, as posted by a source below, but has not been confirmed by a regulator, a court filing or the organisation’s own disclosure.

Timeline

  1. July 26, 2026
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    source