www.soumu.go.jp/main_sosiki/cybersecurity/kokumin/case

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事故・被害事例および対処法(セキュリティ事故が起きた後にやるべきことは) | 国民のためのサイバーセキュリティサイト

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Apr 7, 2026, 09:20 AM

Source URL

https://www.soumu.go.jp/main_sosiki/cybersecurity/kokumin/case

About this page

This page is part of Japan's Ministry of Internal Affairs and Communications' cybersecurity website for citizens. It presents actual cases of security incidents and breaches along with countermeasures and prevention strategies. The page explains potential problems arising from inadequate information security measures through concrete examples. It covers both household and workplace incidents, detailing appropriate responses when security accidents occur and how to prevent them. The site aims to educate the public on proper cybersecurity practices and incident management procedures.

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Apr 7, 2026, 09:20 AM

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Apr 7, 2026, 09:20 AM

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