DisclosureLens
HackingFinancial ServicesFinanceVulnerability ExploitData ExfiltratedCustomer Data InvolvedDelayed DiscoveryGovernment IDIdentity (basic)CriticalResolved

EQUIFAX INC.

bd_278155640602f868 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jul 29, 2017

Filed

Sep 7, 2017

To disclose

6 weeks

Affected

147,900,000

Linked

7 filings

Confidence

63%
Full breach record for EQUIFAX INC.12 incidents on file

Equifax 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.

California clockDiscovered Jul 29, 2017Notified Mar 26, 2018240d CA 60-day late6 weeks discovery → filing

Incident timeline

undetected · 75 days
discovery → filing · 6 weeks / 40 days

May 15, 2017

Begins

Jul 29, 2017

Discovered

Sep 7, 2017

Filed

vs. sector median

3 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 35d gap

Filing propagation · 7 filings · 6 states

View merged incident ↗
Washington State AGSep 7 · first
Oregon State AGSep 7 · first
California State AGSep 7 · first · this page

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

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.