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Response snapshot Oct 27, 2026, 04:12 UTC

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Disclosed incidenthibp-adt

ADT breach: 5,488,888 accounts exposed

In April 2026, home security firm ADT confirmed a data breach by ShinyHunters , which listed the company on its website as part of a "pay or leak" extortion attempt. The breach impacted 5.5M unique email addresses along with names, phone numbers and physical addresses.

At a glance

Sources
1 source

What to do

If you or your organization used this service, change reused passwords, watch for phishing that uses the exposed data, and check the disclosure for the organization's guidance.

Read Have I Been Pwned: ADT (opens a new tab)

What happened

In April 2026, home security firm ADT confirmed a data breach by ShinyHunters , which listed the company on its website as part of a "pay or leak" extortion attempt. The breach impacted 5.5M unique email addresses along with names, phone numbers and physical addresses. ADT also advised that "in a small percentage of cases, dates of birth and the last four digits of Social Security numbers or Tax IDs were included" and that it had contacted all affected people.

Related technology

Sources

  1. Primary source

    Have I Been Pwned: ADT (opens a new tab)

    Verified breach loaded into Have I Been Pwned: account count, exposed data types, and dates.

    Published Checked

  2. Primary source

    Have I Been Pwned breach API (opens a new tab)

    The breach list that supplied this entry.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, April 27). ADT breach: 5,488,888 accounts exposed. https://kevwire.com/record/hibp-adt

MLA

"ADT breach: 5,488,888 accounts exposed." KEVWire, 27 Apr. 2026, kevwire.com/record/hibp-adt.

Chicago

KEVWire. "ADT breach: 5,488,888 accounts exposed." Last modified April 27, 2026. https://kevwire.com/record/hibp-adt.

Evidence summary (plain text)

ADT breach: 5,488,888 accounts exposed (Apr 27, 2026).
In April 2026, home security firm ADT confirmed a data breach by ShinyHunters , which listed the company on its website as part of a "pay or leak" extortion attempt. The breach impacted 5.5M unique email addresses along with names, phone numbers and physical addresses. ADT also advised that "in a small percentage of cases, dates of birth and the last four digits of Social Security numbers or Tax IDs were included" and that it had contacted all affected people.
Sources:
Have I Been Pwned: ADT: https://haveibeenpwned.com/Breach/ADT
Have I Been Pwned breach API: https://haveibeenpwned.com/api/v3/breaches
Record ID: hibp-adt.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 03:25 UTC. Ingestion is not an independent editorial investigation.

Verified by Have I Been Pwned. Breach date: 2026-04-20; loaded 2026-04-27. Exposed data: Dates of birth, Email addresses, Names, Partial government issued IDs, Phone numbers, Physical addresses. Counts are accounts in the loaded data, not necessarily distinct people.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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