Matsuzawa Shoten
ent_018963e57ba3c0180b60d1bf
Matsuzawa Shoten is a Japanese wholesale distributor specializing in sheet music and music books. It provides a digital platform for its retail partners to search for inventory and place orders for musical scores.
AI-summarized from indexed web sources · Japan · 2026-08-04 · source
Disclosures
1
Leak Site · 1 jurisdiction
Multi-filing incidents
—
no multi-filing incident in sample
Max affected reported
—
no filed count in sample
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Matsuzawa Shoten
- Normalized
- matsuzawa shoten— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- musenet.co.jp
Unverified threat-actor claim — not a regulatory filing
Attribution, victim identity, and counts shown here derive from a threat actor's public extortion-blog claims, aggregated by ransomware.live. They have not been validated by the victim or any regulator. Treat them as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.