BreachCensus

ADT, Inc.

Professional ServicesUnited States of America

ADT, Inc. is a professional services organisation in United States of America. It appears on the Massachusetts Attorney General breach-notification register, the Washington State Attorney General breach-notification register and the Texas Attorney General breach-notification register with 3 confirmed incidents (4 filings); the most recent notice was filed on July 28, 2026.

Data as of September 6, 2026.

Confirmed incident

Filed in WA, DE, TX and MA — Unauthorized Access/Disclosure

The same incident was filed separately with 4 jurisdictions within a few days of each other (WA, DE, TX and MA) — shown here as one incident.

Occurred
April 20, 2026
Disclosed
July 28, 2026
Records affected
331,536

Timeline

  1. April 24, 2026
    Reported to regulator Regulator

    DE AG breach notification: 1,231 Delaware residents affected

    source
  2. July 27, 2026
    Reported to regulator Regulator

    MA AG breach notification: 4,540 Massachusetts residents affected

    source
  3. July 28, 2026
    Reported to regulator Regulator

    WA AG breach notification: 5,129 Washington residents affected

    source
  4. July 28, 2026
    Reported to regulator Regulator

    TX AG breach notification: 32,546 Texas residents affected

    source
What a Washington notice means

Required under 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 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 ↗

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 ↗

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. April 24, 2026
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    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. August 23, 2026
    Claimed by threat actor (unverified) Claim

    Ransomware leak-site claim (ransomware_live)

    source