MalwareEducationEducationRansomwareData ExfiltratedRansom DemandedEducationFinancial accountIdentity (basic)Government IDPHIPIIHealth (basic)HighContained

Lewis & Clark College

bd_3a306c0e772c4627 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 3, 2023

Filed

Mar 22, 2024

To disclose

13 months

Affected

9,725state residents only

Linked

9 records

Confidence

68%

Full breach record for Lewis & Clark College →3 incidents on file

Lewis and Clark College reported a ransomware incident affecting 9,725 Washington residents. Unauthorized access occurred on Feb 28, 2023, detected March 3, 2023. Data exfiltrated included PII. Notification sent March 22, 2024. Remediation included network strengthening and third-party security improvements.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d13 months 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 · 3 days

discovery → filing · 13 months / 385 days

Feb 28, 2023

Begins

Mar 3, 2023

Discovered

Mar 22, 2024

Filed

This filing is one of 9 records about the same incident.View merged incident

A leak claim by vicesociety about this victim was first seen 357 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitevicesocietybd_721b1595af25beec2023-03-31 · +357dVerified by operator

Regulatory filings (7) · sorted by filing gap

Indiana State AGbd_08ba5d52cb14a1ea2024-03-22Verified by operator
Maine State AGbd_555bae41e4bfd13e2024-03-22Verified by operator
Montana State AGbd_6847154486297be42024-03-22Verified by operator
Vermont State AGbd_b3440705167749c22024-03-22Verified by operator

Show 3 more filings ↓up to 692d gap

California State AGbd_c5dfb315143fa4e02024-03-22Verified by operator
Oregon State AGbd_ce3ecb7237048d002024-04-10 · +19dVerified by operator
Idaho State AGbd_2723cd32c9ffeb602026-02-12 · +692dVerified

Name: Lewis & Clark College
norm: lewis clark college
Domain: lclark.edu

Name: Lewis & Clark College
norm: lewis clark college
Domain: lclark.edu
Industry: Educationllm

Discovered: Mar 3, 2023
Breach occurred: Feb 28, 2023
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 22, 2024
Affected individuals: 9,725state-resident count only
Data types: PIIIdentity (basic)
Data elements: NameSocial Security numberFinancial account numberDate of birthStudent ID numberPassport numberHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 0dexposure 0d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial

During the incident: Took steps to secure our network
Launched an investigation assisted by external cybersecurity professionals
Conducted an extensive manual review of the data residing on the impacted servers
Provided you with access to complimentary identity theft protection services
Changes made: Strengthened our network
Implemented additional security improvements recommended by third-party cyber security experts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(385 days from discovery to filing)
Compliance flags: WA AG >90dLeak >180d
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 · 8 filings · 8 states

View merged incident ↗

Indiana State AGMar 22 · first

Maine State AGMar 22 · first

Montana State AGMar 22 · first

Vermont State AGMar 22 · first

California State AGMar 22 · first

Washington State AGMar 22 · first · this page

Oregon State AG+19d

Idaho State AG+692d

Pattern: first filing Mar 22 (IN), last Feb 12 (ID) — a 692-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.

Source URL: https://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA28362.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 22, 2024
Raw hash: f36e36402497d670fe93ac0857ead4bc98281576521b73981d51258b706f43ad

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityLewis & Clark College

Victim entityLewis & Clark College

Incidentdiscovered Mar 3, 2023

Stated responseTook steps to secure our network

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com