HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedTargetedFinancial accountHealth (basic)Identity (basic)Government IDPHIHighContained

KITSAP Credit Union

bd_e645397daa5df74f · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 17, 2020

Filed

Dec 1, 2020

To disclose

15 weeks

Affected

3,268state residents only

Linked

5 filings

Confidence

69%

Full breach record for KITSAP Credit Union →

Kitsap County Credit Union notified Washington AG of unauthorized access to employee email accounts from May 19 to August 17, 2020. 3,268 Washington residents affected. Data included names, SSNs, DOBs, financial account numbers, and medical info. Incident contained; forensic firm engaged; MFA implemented; credit monitoring offered.

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Washington clock✗ WA AG >90d15 weeks discovery → filing

Incident timeline

undetected · 90 days

discovery → filing · 15 weeks / 106 days

May 19, 2020

Begins

Aug 17, 2020

Discovered

Dec 1, 2020

Filed

vs. sector median

+7 wks slower

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

Maine State AGbd_14ca1d8232bcaeb32020-12-01Verified
Massachusetts State AGbd_9eab435409fbef702020-12-01Verified
New Hampshire State AGbd_40d7aa79a0dd0a2b2020-12-02 · +1dVerified
Montana State AGbd_fa67c3663e6f1cf22020-11-30 · +1dCandidate

Name: KITSAP Credit Union
norm: kitsap credit union

Name: KITSAP Credit Union
norm: kitsap credit union
Industry: Financial Servicesllm

Discovered: Aug 17, 2020
Breach occurred: May 19, 2020 – Aug 17, 2020
Undetected for: 90 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 30, 2020
Affected individuals: 3,268state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: NameSocial Security numberFinancial account numberDate of birthMedical information
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified Washington Attorney General
Initial access: valid_credentials

During the incident: Secured the email accounts to prevent further access
Engaged a forensic security firm to investigate and confirm the security of its email and computer systems
Notifying impacted individuals
Offering complimentary one-year membership of Experian IdentityWorks Credit 3B
Changes made: Implementing multifactor authentication
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(106 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGNov 30 · first

Maine State AG+1d

Massachusetts State AG+1d

Washington State AG+1d · this page

New Hampshire State AG+2d

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/BreachM10913.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 1, 2020
Raw hash: cf23057413e1395f23db2a110a966fcc13cb2ee3980d5cc03728af4b058a6d4b

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityKITSAP Credit Union

Victim entityKITSAP Credit Union

Incidentdiscovered Aug 17, 2020

Stated responseSecured the email accounts to prevent further access

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com