Cybersecurity - Japan Compliance

Japan Compliance

Cybersecurity

A collection of 9 posts

Slide summarising Japan’s APPI obligations, breach reporting timeline, cross-border transfer options, and METI cybersecurity guidelines for foreign companies

Japan’s Data Privacy & Cybersecurity Rules (2025): APPI, Breach Reporting, and Cross-Border Transfers Explained

TL;DR Japan’s APPI now reaches foreign firms, mandates strict breach reporting, and limits overseas transfers unless safeguards match Japanese standards. Pair that with growing ransomware threats, METI cybersecurity guidelines, and sector-specific rules, and US companies must localise privacy policies, vet vendors, and harden defences to stay compliant and

Slide summarising Japan’s camera-surveillance rules: APPI personal-information scope, 2023 facial-recognition guidance, signage & retention best practices.

Camera Surveillance in Japan: APPI Rules, Facial-Recognition Guidance & Compliance Tips for US Businesses

TL;DR * Identifiable camera images are “personal information” under Japan’s APPI; capture alone triggers obligations. * Facial-recognition systems face stricter transparency and purpose-limitation tests under PPC 2023 guidance. * Clear signage, narrowly defined purposes, robust security measures and retention limits are essential for compliance. Table of Contents 1. Defining “Personal Information”

Slide outlining Japan ransomware response: APPI breach-report flow, FEFTA sanctions risk on ransom, and integrated legal-technical playbook for businesses.

Ransomware in Japan: APPI Duties, Sanctions Risk & Practical Response Guide

TL;DR * Modern ransomware in Japan now involves double-/triple-extortion and has pushed annual incidents above 220 (2024 NPA data). * A leak—or likely leak—of personal data triggers APPI’s mandatory two-stage breach reporting. * Paying ransom risks violating sanctions under the Foreign Exchange and Foreign Trade Act (FEFTA); directors

Slide summarising Japan’s APPI breach-reporting triggers, timelines, PPC interaction and tips for aligning cybersecurity response with legal duties.

Cyber-Incident Response in Japan: APPI Compliance & Cybersecurity Basics Explained

TL;DR * Japan’s Act on the Protection of Personal Information (APPI) makes breach reporting mandatory when “personal data” is leaked—or likely leaked. * Key pain points: the ambiguous “likelihood” (osore) standard, a strict two-stage reporting timetable, and the broad “leak source” test. * Harmonising APPI compliance with best-practice incident response

Slide summary: Japan critical-supply-chain rules—risk reports, localisation, foreign-ownership vetting, 2025–26 enforcement

Japan’s Critical-Supply-Chain Rules: Compliance Guide 2025

TL;DR: Japan’s Economic-Security laws now require companies handling “Specified Critical Supply Chains and Infrastructure” to file risk reports, localise key processes, and obtain ministerial vetting for upgrades or foreign ownership changes. Early mapping of tier-1 and tier-2 suppliers is essential as enforcement widens in 2025-26. Table of Contents

Slide summary: Japan security-clearance system—eligibility, background checks, data localisation, 2026 launch timeline

Japan’s New Security-Clearance System: Guide for Foreign Firms

TL;DR: Japan will launch a security-clearance system by 2026 allowing access to “Specified Secret Information” in economic-security projects. Foreign subsidiaries can apply but must appoint vetted liaison officers, localise data storage and accept intrusive background checks. Early preparation is critical, especially for dual-use tech and critical-infrastructure contracts. Table of

Slide summary: Japan’s platform–national-security nexus—data controls, disinformation, economic-security act, business compliance steps

Platforms and National Security: Emerging Legal Issues in Japan

TL;DR: Japan is hard-wiring national-security concerns into platform regulation. Data-flow controls, MIC security guidance and the 2022 Economic Security Promotion Act tighten oversight of foreign-linked services, while disinformation and critical-infrastructure worries drive tougher content and supply-chain rules. Businesses must map their exposure and embed security governance into every product

Slide summary: Japan’s revised Provider Liability Act—7-day takedown, single-step sender disclosure, updated safe harbours

Content Moderation and Intermediary Liability in Japan: Understanding the Revised Provider Liability Act

TL;DR: Japan’s revised Provider Liability Act modernises notice-and-takedown, streamlines sender-disclosure into a single-step court order, and clarifies intermediary safe harbours. Platforms now face tighter deadlines, record-keeping duties, and potential statutory damages—requiring robust moderation workflows and legal triage. Table of Contents 1. Introduction: A New Era of Platform

Slide summary: Online Kasuhara—defamation claims, disclosure process, employer duty of care, platform takedowns

Labor & Employment Law

Online Defamation as Customer Harassment in Japan: Protecting Your Business and Employees

TL;DR: Online defamation is the newest frontier of customer harassment (Kasuhara) in Japan. Victims and employers can sue, request takedowns, and seek sender disclosure, but the process is slow, costly, and emotionally taxing. Proactive monitoring, clear policies, and staff support are now core compliance duties. Table of Contents 1.