UnknownHigh

EpiSource

bd_61b844bea6eb84e8 · schema v1 · pii pii-v1

Severity

High

Discovered

May 30, 2025

Filed

Jun 6, 2025

To disclose

7 days

Affected

5,418,866

Linked

24 filings

Confidence

95%

Full breach record for EpiSource →4 incidents on file

Episource, LLC reported a data breach to the Oregon Attorney General. The breach was reported on 2025-06-06. The breach occurred during 1/27/2025 - 2/6/2025. The breach was discovered on 5/30/2025. 5,418,866 individuals were affected. Notice was sent on 6/6/2025.

J jump to incidentP pin to compareR raw source

Oregon clock✓ OR AG ≤45d7 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.

Incident timeline

undetected · 123 days

discovery → filing · 7 days

Jan 27, 2025

Begins

May 30, 2025

Discovered

Jun 6, 2025

Filed

This filing is one of 24 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_a2b82676192bff452025-09-15 · +101dVerified by operator
California State AGbd_9fdbc50e284e387e2025-09-22 · +108dVerified by operator
California State AGbd_f7b2fef6a5a68d492025-10-01 · +117dVerified by operator
California State AGbd_9fbf33f1d80fd6cd2025-10-15 · +131dVerified by operator

Show 6 more filings ↓up to 250d gap

California State AGbd_26b46fb1375699872025-11-12 · +159dVerified by operator
Montana State AGbd_8bfabd788a54c7dd2025-11-12 · +159dVerified by operator
Oregon State AGbd_a777c7526ecf94bd2025-12-11 · +188dVerified by operator
California State AGbd_e03b6cfce712071e2026-02-09 · +248dVerified by operator
New Hampshire State AGbd_5f78056b95d71c8e2026-02-10 · +249dVerified by operator
Texas State AGbd_902d3567da6db0052026-02-11 · +250dVerified by operator

Showing first 10 of 23 linked disclosures.

Name: EpiSource
norm: episource

Name: EpiSource
norm: episource

Discovered: May 30, 2025
Breach occurred: Jan 27, 2025 – Feb 6, 2025
Undetected for: 123 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 6, 2025
Affected individuals: 5,418,866nationwide
Data types: —
Attack vector: Unknown
Threat actor: External

Time to disclose: 7 days(7 days from discovery to filing)
Compliance flags: OR AG ≤45d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 5 states

View merged incident ↗

Oregon State AGJun 6 · first · this page

New Hampshire State AG+101d

California State AG+108d

California State AG+117d

California State AG+131d

California State AG+159d

Montana State AG+159d

Oregon State AG+188d

California State AG+248d

New Hampshire State AG+249d

Texas State AG+250d

Pattern: first filing Jun 6 (OR), last Feb 11 (TX) — a 250-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 23 — the full spread may be wider.

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.

Source URL: https://justice.oregon.gov/consumer/DataBreach/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 6, 2025
Raw hash: e474257489c67c63f7f4f6fb6210e2186ca0d639327543252135973321650855

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityEpiSource

Victim entityEpiSource

Incidentdiscovered May 30, 2025

ComplianceOR AG ≤45d

Extraction provenanceno artifact recorded

Source provenancejustice.oregon.gov