norm: regence regence bs regence bsi and regence bcbsono LEI · no CIKMax severity: Medium

Canonical registry

MedicareCompare (MCUSA)

ent_dbaabf11b7e1243b1149f9af

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Disclosures

1

State AG · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

706

as filed · State AG WA

Leak-site claims

0

none in sample

Identity resolution

Canonical name: MedicareCompare (MCUSA)
Normalized: regence regence bs regence bsi and regence bcbso— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record

Disclosure history (1)newest first

Washington State AGas reporting2025-05-06
Regence BlueShield reports a phishing breach affecting 706 Washington residents. Business associate MedicareCompare (MCUSA) experienced unauthorized email access between Nov 5-21, 2024. Data included names, SSNs, DOBs, and medical history. MCUSA engaged forensic investigators, reset passwords, and implemented MFA.