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Breach occurred 2026-04-20Verifiedadt.com
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.
Data exposed
Frequently asked questions
The ADT data breach occurred on April 20, 2026. It was added to Have I Been Pwned's breach catalog on April 27, 2026.
5,488,888 accounts were affected by the ADT data breach, according to Have I Been Pwned's records.
The ADT breach exposed the following data types: Dates of birth, Email addresses, Names, Partial government issued IDs, Phone numbers, Physical addresses.
Yes. Have I Been Pwned has verified the ADT breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the ADT breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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