UnknownProfessional ServicesProfessional ServicesHigh
T-Mobile USA/Experian
bd_4acd7ab8e9482cae · schema v1 · pii pii-v1
Full breach record for T-Mobile USA/Experian →T-Mobile USA/Experian, a business sector entity reported a unauthorized access incident to the Washington Attorney General. The organization became aware of the incident on 2015-09-21 and filed notice on 2015-10-01. 328,889 Washington residents were affected. 10 days elapsed between awareness and notification. 6 days to identify the breach.
Washington clock✓ WA AG ≤30d10 days discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
This filing is one of 2 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- bd_9ec2e9674ac7b142Oregon State AGfiled 2015-10-30(29d gap)Verified
Source provenance
- Source URL
- https://data.wa.gov/resource/sb4j-ca4h.json?id=9591
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 1, 2015
- Raw hash
- 59967346f73257618927b1bdc8174f222801ccf20772198ce124bac9a1153e70
Reporting entity
- Name
- T-Mobile USA/Experiannorm: t mobile usa experian
Victim entity
- Name
- T-Mobile USA/Experiannorm: t mobile usa experian
- Industry
- Professional Servicesllm
Incident
- Discovered
- Sep 21, 2015
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- 328,889
- Data types
- —
- Attack vector
- Unknown
- Threat actor
- External
Compliance
- Time to disclose
- 10 days(10 days from discovery to filing)
- Compliance flags
- WA AG ≤30d
- Discovery-date grounding
- AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.