EQUIFAX INC.
bd_278155640602f868 · schema v1 · pii pii-v1
Full breach record for EQUIFAX INC. →12 incidents on fileEquifax Inc. notified California residents of a supplemental determination regarding its 2017 data breach. Criminals exploited a website application vulnerability to gain unauthorized access to personal information from mid-May through July 2017. Equifax discovered the intrusion on July 29, 2017. This notice specifically addresses approximately 2.4 million additional U.S. consumers whose partial driver's license information was confirmed impacted, bringing the total nationwide affected count to approximately 147.9 million. The data involved names, driver's license numbers, dates of birth, and in some cases addresses. Equifax offered 12 months of identity theft protection and credit monitoring.
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Incident timeline
May 15, 2017
Begins
Jul 29, 2017
Discovered
Sep 7, 2017
Filed
vs. sector median
3 wks faster
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- Washington State AGbd_958fcf9ef068490f2017-09-07Candidate
- New Hampshire State AGbd_c7a263041aff38052017-09-07Candidate
- Oregon State AGbd_d60b910cf11a2f9c2017-09-07Verified
- Massachusetts State AGbd_e7e140ebd326c5762017-09-07Verified
Show 2 more filings ↓Show fewer ↑up to 35d gap
- South Carolina State AGbd_20e4e8963ad56aa02017-09-12 · +5dVerified
- New Hampshire State AGbd_bf00e329b87159ef2017-10-12 · +35dVerified
Filing propagation · 7 filings · 6 states
View merged incident ↗Pattern: first filing Sep 7 (WA), last Oct 12 (NH) — a 35-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.