🇯🇵 Japan
Sompo Japan Insurance Inc. (Sompo Holdings, Inc. (Japan))

サイバーリスク保険 (Cyber Risk Insurance)

by Sompo Japan Insurance Inc.
B2BA+Direct—Broker onlyDomestic onlyJapanese
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Last updated Apr 2026

Product Details§ 01

Max Insurance Limit
Bespoke.
Market Focus
All sizes; all industries.
AM Best Rating
A+ (Superior) – AM Best (Sompo Holdings)
MGA / Direct
No – Direct insurer.
Policy Language
Japanese
NIS2 / DORA Support
Not applicable.
War Exclusion
War and nation-state cyber exclusion applied (LMA-aligned).
Geographic Scope
Domestic only.
Broker Only
Yes

Advantages & Limitations§ 02

Advantages

  • Sompo Japan: Japan's #3 non-life insurer (part of Sompo Holdings; ¥2.3T domestic net premiums 2024).
  • Domestic Japanese cyber insurance; IR retainers with specialist firms.
  • Coverage: cyber attack response, data breach, BI loss, ransomware/extortion, system recovery, legal costs, Japanese data protection law notification.
  • Sompo Holdings: 2025 strategic reorganisation creating dedicated P&C Reinsurance and Wellbeing divisions — sharpening capital allocation and cyber offering.
  • Japan cyber market: ¥60B projected 2024 (~13.4% CAGR through 2035).

Limitations

  • Japan domestic product.

Contact & Response§ 03

Customer Contact
https://www.sompo-japan.co.jp/
24/7 Crisis Hotline
Via policy documentation (IR specialist retainer).
Broker Contact
https://www.sompo-japan.co.jp/