DisclosureLens
UnknownMedium

US Oncology Inc

bd_d02c9cd9e94b38b6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 27, 2019

Filed

May 9, 2019

To disclose

6 weeks

Affected

5,168

Linked

3 filings

Confidence

95%
Full breach record for US Oncology Inc →

US Oncology reported a data breach to the Oregon Attorney General. The breach was reported on 2019-05-09. The breach occurred during 6/7/2018 - 6/7/2018. The breach was discovered on 3/27/2019. 5,168 individuals were affected. Notice was sent on 5/9/2019.

Date basis clock✓ Clock withheld · confirmation date6 weeks 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.

Incident timeline

undetected · 293 days
discovery → filing · 6 weeks / 43 days

Jun 7, 2018

Begins

Mar 27, 2019

Discovered

May 9, 2019

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Montana State AGMay 9 · first
Massachusetts State AGMay 9 · first
Oregon State AGMay 9 · first · this page

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.