DisclosureLens
UnknownFinanceLow

MidFirst Bank

bd_63b23748175961ff · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 13, 2023

Filed

Aug 21, 2023

To disclose

10 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

95%
Full breach record for MidFirst Bank →2 incidents on file

MidFirst Bank reported a data breach to the Oregon Attorney General. The breach was reported on 2023-08-21. The breach occurred during 5/27/2023 - 5/31/2023. The breach was discovered on 6/13/2023. Notice was sent on 8/21/2023.

Oregon clock✗ OR AG >45d10 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 · 17 days
discovery → filing · 10 weeks / 69 days

May 27, 2023

Begins

Jun 13, 2023

Discovered

Aug 21, 2023

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Washington State AGAug 4 · first
Montana State AG+17d
Massachusetts State AG+17d
California State AG+17d
Oregon State AG+17d · this page

Pattern: first filing Aug 4 (WA), last Aug 21 (OR) — a 17-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.