EQUIFAX INC.
bd_278155640602f868 · schema v1 · pii pii-v1
Full breach record for EQUIFAX INC. →Equifax Inc. filed a supplemental California SB-24 breach notification regarding a 2017 cybersecurity incident. Criminals exploited a website application vulnerability to access data from mid-May to July 2017. The breach impacted approximately 143 million U.S. consumers initially, with an additional 2.5 million consumers identified later, and a further 2.4 million consumers identified in March 2018 whose partial driver's license information was stolen. Data types included names, driver's license numbers, dates of birth, and Social Security numbers. Equifax engaged forensic investigators, notified law enforcement, and offered credit monitoring services.
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- bd_958fcf9ef068490fWashington State AGfiled 2017-09-07Candidate
- bd_d60b910cf11a2f9cOregon State AGfiled 2017-09-07Verified
Source provenance
- Source URL
- https://oag.ca.gov/ecrime/databreach/reports/sb24-101693
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 7, 2017
- Raw hash
- e03285651a319615eb7d9948915fdb1194ad1797b1e320e04e9e741904917641
Reporting entity
- Name
- EQUIFAX INC.norm: equifax
- Domain
- equifax.com
Victim entity
- Name
- EQUIFAX INC.norm: equifax
- Domain
- equifax.com
Incident
- Discovered
- Jul 29, 2017
- Materiality determined
- —
- Notification sent
- Mar 26, 2018
- Affected individuals
- 145,700,000
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTPII
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
- Threat actor
- ExternalFinancial
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 6 weeks(40 days from discovery to filing)
- Compliance flags
- CA 60-day late · 240d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
- Clock breakdown
Statute Window Elapsed Threshold Status California Discovered: Jul 29, 2017→ Notified: Mar 26, 2018240d 60 days (analyst band, pre-2026 discoveries) CA 60-day late
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.