People search ADT Inc data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 4 ADT Inc-linked incidents, with headline counts up to 5.5M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why ADT Inc breach history matters
ADT Inc operates in Technology (United States). Across indexed rows, recurring themes include ransomware and extortion, credential theft and social engineering. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2026 — vishing → Okta/Salesforce path; ~5.5M in state filings vs “limited set” language; ShinyHunters leak (Apr)
Unverified claim — treat actor counts cautiously. Media coverage contextualized this April 2026 incident as roughly the third major ADT-linked cybersecurity publicity cycle in approximately two years, following earlier disclosures that consumer reporting frequently referenced for pattern analysis. U.S. home-security provider ADT publicly confirmed a cyber intrusion discovered around April 20, 2026, tied in many outlets to vishing or social-engineering pressure against employee Okta single sign-on that enabled access to Salesforce-oriented customer and operations d Exposed categories include Customer and prospect PII including contact, address, DOB, partial SSN/tax ID in regulatory summaries—categories vary by person. BreachHistory cites approximately 5.5M+ affected records in this row. See the adt 2026 record and canonical BreachHistory entry.
2024 — — 30.8k records
Cataloged incident. Database access. 30.8k records. Exposed categories include Names, emails, addresses, and other PII. BreachHistory cites approximately 308 affected records in this row. See the adt2024 and canonical BreachHistory entry.
2024 — 30,800 customer records
Cataloged incident. ADT Inc, the home security company, experienced a data breach in 2024. Hackers obtained access to customer databases and advertised stolen data on the dark web. The breach exposed email addresses, phone numbers, and physical addresses. Financial data and SSNs were not compromised. Exposed categories include Email addresses, phone numbers, physical addresses. BreachHistory cites approximately 31K+ affected records in this row. See the adt2024a and canonical BreachHistory entry.
2015 — — ADT Inc: Location of breached information: Hacking/IT…
Cataloged incident. Location of breached information: Hacking/IT Incident Business associate present: No Exposed categories include Personal information. BreachHistory cites approximately 3K+ affected records in this row. See the adt2015 and canonical BreachHistory entry.
Patterns and analysis
- Ransomware and extortion — appears across multiple ADT Inc catalog entries; prioritize controls that address this class of failure.
- Credential theft and social engineering — appears across multiple ADT Inc catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the ADT Inc company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/adt · Latest: adt2026.
Sources: BreachHistory catalog (4 rows for ADT Inc), company and regulator disclosures cited in individual breach records.