> JapanHacked_
[Contained][Severity: Critical][Phishing]

Nihon Wasou Holdings: a false remittance instruction led to 50 million yen flowing out

On May 8 Nihon Wasou Holdings announced that a false remittance instruction caused 50 million yen to flow out.

Disclosed

2026-05-08

Organizations involved

1

Leaked or at risk

Unknown

Downtime

Unknown

What happened

  1. A false remittance instruction was received and money was sent. [1] [2]

  2. It announced the outflow of funds. The amount was 50 million yen. [1] [2]

Timeline

  1. Started, Detected 2026-04-30
  2. Disclosed 2026-05-08
  3. 8 days

Attack or cause

Method
[Phishing]
Impact
[Fraud][Financial loss]
Entry point
Unknown

Data exposed or at risk

–

Organizations involved

Open in organization search

Sources

  1. [1][Official]資金流出事案の発生に関するお知らせNihon Wasou Holdings, Inc. · 2026-05-08
  2. [2][News]5,000 万円流出 ～ 日本和装ホールディングスへの虚偽の送金指示ScanNetSecurity · 2026-05-13 08:05