People search Automatic Data Processing data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 2 Automatic Data Processing-linked incidents, with headline counts up to 125K+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Automatic Data Processing breach history matters
Automatic Data Processing operates in Finance (Unknown). Across indexed rows, recurring themes include cloud and database misconfiguration. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2006 — data breach (125,000+ records)
Cataloged incident. Automatic Data Processing is listed in Wikipedia's "List of data breaches" for 2006 (125,000+ records). Organization type: financial. Method reported: poor security. Details: 125,000. Exposed categories include 125,000. BreachHistory cites approximately 125K+ affected records in this row. See the automatic-data-processing-2006-wiki and canonical BreachHistory entry.
2005 — — Automatic Data Processing: Poor security / misconfiguration, 125000 records
Cataloged incident. Data breach reported. financial organization. Method: poor security. Source: Wikipedia List of data breaches. Exposed categories include Personal and demographic data. BreachHistory cites approximately 125K+ affected records in this row. See the automatic-data-processing2005-wiki and canonical BreachHistory entry.
Patterns and analysis
- Cloud and database misconfiguration — appears across multiple Automatic Data Processing 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: Bookmark the Automatic Data Processing company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/automatic-data-processing · Latest: automatic-data-processing-2006-wiki.
Sources: BreachHistory catalog (2 rows for Automatic Data Processing), company and regulator disclosures cited in individual breach records.