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+DirectBroker onlyDomestic onlyJapanese
Last updated 07.05.2026

サイバーリスク保険 (Cyber Risk Insurance) is a cyber insurance product underwritten by Sompo Japan Insurance Inc. (Sompo Holdings, Inc. (Japan)), available in Japan. It is aimed at small and medium-sized businesses, mid-market companies and large enterprises. Coverage limits reach up to Bespoke.. The carrier holds an AM Best rating of A+ (Superior) – AM Best. It is distributed through insurance brokers.

Product Details§ 01

Max Insurance Limit
Bespoke.
Min Premium / Revenue
No revenue threshold published
Market Focus
SME, Mid-market, Large
AM Best Rating
A+ (Superior) – AM Best
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.
  • No public information regarding the cyber insurance product.

Contact & Response§ 03

24/7 Crisis Hotline
Via policy documentation (IR specialist retainer).

Frequently asked questions§ 04

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Who is サイバーリスク保険 (Cyber Risk Insurance) designed for?

サイバーリスク保険 (Cyber Risk Insurance) by Sompo Japan Insurance Inc. targets small and medium-sized businesses, mid-market companies and large enterprises in Japan. Geographic scope: Domestic only..

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Does サイバーリスク保険 (Cyber Risk Insurance) help with NIS2 or DORA compliance?

Sompo Japan Insurance Inc. indicates the following NIS2/DORA support for this product: Not applicable..

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How can I buy サイバーリスク保険 (Cyber Risk Insurance) in Japan?

サイバーリスク保険 (Cyber Risk Insurance) is sold through insurance brokers — broker contact: https://www.sompo-japan.co.jp/. Compare it with alternatives in Japan on Ryskly before approaching a broker.