カテゴリー： 世界, IMARC

日本のサイバーセキュリティ市場2025-2033

【英語タイトル】Japan Cybersecurity Market Size, Share, Trends and Forecast by Component, Deployment Type, User Type, Industry Vertical, and Region, 2025-2033

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・発行日：2025年3月
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・レポート言語：英語
・レポート形式：PDF+Excel
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❖ レポートの概要 ❖

日本のサイバーセキュリティ市場は2024年に1,800億米ドル規模に達し、2033年には4,330億米ドルに拡大すると予測され、2025〜2033年の年平均成長率は10.3％と見込まれる。デジタル変革の加速、巧妙化するサイバー攻撃、個人情報保護政策の強化が成長の主要因である。特に国家主導型サイバー攻撃やランサムウェア、データ流出の増加を受け、官民を問わず高度な防御体制が求められており、AIを活用した脅威検知・データ保護技術への投資が進んでいる。

日本政府は個人情報保護法（APPI）などの厳格な法制度を整備し、GDPRとの整合を図ることで企業に高水準のセキュリティ対策を促している。クラウド化の拡大も市場を牽引しており、保険業界では富士通とSAP Fioneerの提携のように、クラウド基盤導入に伴うセキュリティ需要が拡大している。特にリモートワークの普及により、企業の8〜16％の従業員が遠隔勤務する中、クラウド上のデータ保護やハイブリッド環境対応の強化が進む。

AI・機械学習を活用した脅威検知の導入も進展している。AIは膨大なデータをリアルタイム分析し、不正アクセスや異常行動を迅速に特定できる。日本の自動車向けサイバーセキュリティ企業VicOneがNXPと提携し、AIベースの自動車防御サービスを提供するなど、AI技術は自動化・高精度化を推進している。また、2019〜2024年にかけて中国系ハッカー集団MirrorFaceによる200件超の国家機密攻撃が報告されるなど、外部脅威の増加が安全保障上の課題となっている。

市場構成では「ソリューション」と「サービス」に大別される。前者ではID管理（IAM）、インフラ防御、リスクガバナンス、データ保護、脆弱性管理が中心であり、後者のマネージドサービスやプロフェッショナルサービスは監視・分析・インシデント対応を支援する。展開形態ではクラウド型が拡大し、柔軟性とコスト効率から多くの企業が採用する一方、金融・防衛・医療など機密性が高い分野ではオンプレミス環境が依然として重視されている。

大企業は高額投資によりゼロトラストやAI解析を導入し、市場を牽引しているが、中小企業（SME）でも攻撃増加を受けて低コスト・スケーラブルな防御策の導入が進む。政府補助金や啓発活動も普及を後押ししている。業界別ではIT・通信、金融（BFSI）、防衛、製造、医療、エネルギーなど幅広く、特にIT・通信はIoT・5G・クラウド利用拡大で最大の需要を持つ。

地域的には東京を中心とする関東が市場の中心で、デジタルインフラや金融機関が集中する。大阪・京都を含む近畿は製造・サービス業で需要が高く、中部は自動車や重工業のスマート化に伴いIoT防御を強化。九州や東北も地方創生とともに中小企業のデジタル化支援が進む。

競争環境はグローバル企業と国内ベンダーが入り混じり、クラウドセキュリティ、脅威検知、エンドポイント保護を中心に提携や共同研究が活発化している。2024年にはMicrosoftが日本に29億ドルを投資し、AI・クラウド・サイバー防御の強化を発表。2025年には米国とAI型サイバー攻撃防御の共同研究を開始予定である。さらに、日本政府は鉄道・電力・通信など重要インフラを対象にした「アクティブ・サイバー防衛」体制を構築中であり、情報共有・防御協調の仕組みを整備している。これらの動きにより、日本のサイバーセキュリティ市場は今後10年間、国家・企業双方の安全保障基盤として持続的な成長が見込まれる。

The Japan cybersecurity market size was valued at USD 18 Billion in 2024. Looking forward, IMARC Group estimates the market to reach USD 43.3 Billion by 2033, exhibiting a CAGR of 10.3% from 2025-2033. The market is undergoing noteworthy growth, mainly impacted by the active focus on digital transformation across critical industries, burgeoning cyber threats, and increasing implementation of governmental policies addressing privacy concerns. As varied enterprises encounter transforming risks, need for leading-edge cybersecurity tools, such as AI-powered data protection and threat detection, is accelerating, positioning the market for a stable expansion.

The increasing sophistication of cyber threats is a primary driver for Japan’s cybersecurity market. As cyberattacks become more advanced, businesses, government agencies, and critical infrastructure sectors are prioritizing the implementation of robust security measures. The rise of state-sponsored cyberattacks, ransomware, and data breaches targeting both private and public entities has heightened awareness about cybersecurity risks. For instance, as per industry reports, since the end of 2024, around 46 entities in Japan, including government and banks agencies, have been targeted by cyberattacks, likely leveraging the same malware. This growing threat landscape compels Japanese organizations to invest in advanced cybersecurity technologies and services, including threat intelligence, intrusion detection, and advanced encryption protocols, to safeguard sensitive data and ensure business continuity.

Government initiatives and regulatory frameworks are key factors shaping the cybersecurity market in Japan. The Japanese government has enacted several policies and frameworks to strengthen data security and privacy standards. Additionally, Japan is aligning with global cybersecurity norms, including the EU’s GDPR, which drives local businesses to adopt more stringent cybersecurity practices. These regulatory requirements, combined with the government’s push for digital transformation, encourage enterprises to invest in cybersecurity infrastructure and services to ensure compliance and protect against evolving cyber risks. For instance, in November 2024, Fujitsu and SAP Fioneer announced partnership to bolster the digital transformation across the insurance sector in Japan. This will encompass the development of cloud-based platform for insurance solutions. As a result, this development is anticipated to elevate the Japan cybersecurity market demand to safeguard cloud services.

Japan Cybersecurity Industry Segmentation:
IMARC Group provides an analysis of the key trends in each segment of the Japan cybersecurity market, along with forecasts at the country and regional levels from 2025-2033. The market has been categorized based on component, deployment type, user type, and industry vertical.

Analysis by Component:

Solutions

・Identity and Access Management (IAM)
・Infrastructure Security
・Governance, Risk and Compliance
・Unified Vulnerability Management Service Offering
・Data Security and Privacy Service Offering
・Others

Services

・Professional Services
・Managed Services

❖ レポートの目次 ❖

1 Preface
2 Scope and Methodology
2.1 Objectives of the Study
2.2 Stakeholders
2.3 Data Sources
2.3.1 Primary Sources
2.3.2 Secondary Sources
2.4 Market Estimation
2.4.1 Bottom-Up Approach
2.4.2 Top-Down Approach
2.5 Forecasting Methodology
3 Executive Summary
4 Japan Cybersecurity Market – Introduction
4.1 Overview
4.2 Market Dynamics
4.3 Industry Trends
4.4 Competitive Intelligence
5 Japan Cybersecurity Market Landscape
5.1 Historical and Current Market Trends (2019-2024)
5.2 Market Forecast (2025-2033)
6 Japan Cybersecurity Market – Breakup by Component
6.1 Solutions
6.1.1 Overview
6.1.2 Historical and Current Market Trends (2019-2024)
6.1.3 Key Segment
6.1.3.1 Identity and Access Management (IAM)
6.1.3.2 Infrastructure Security
6.1.3.3 Governance, Risk and Compliance
6.1.3.4 Unified Vulnerability Management Service Offering
6.1.3.5 Data Security and Privacy Service Offering
6.1.3.6 Others
6.1.4 Market Forecast (2025-2033)
6.2 Services
6.2.1 Overview
6.2.2 Historical and Current Market Trends (2019-2024)
6.2.3 Key Segment
6.2.3.1 Professional Services
6.2.3.2 Managed Services
6.2.4 Market Forecast (2025-2033)
7 Japan Cybersecurity Market – Breakup by Deployment Type
7.1 Cloud-based
7.1.1 Overview
7.1.2 Historical and Current Market Trends (2019-2024)
7.1.3 Market Forecast (2025-2033)
7.2 On-premises
7.2.1 Overview
7.2.2 Historical and Current Market Trends (2019-2024)
7.2.3 Market Forecast (2025-2033)
8 Japan Cybersecurity Market – Breakup by User Type
8.1 Large Enterprises
8.1.1 Overview
8.1.2 Historical and Current Market Trends (2019-2024)
8.1.3 Market Forecast (2025-2033)
8.2 Small and Medium Enterprises
8.2.1 Overview
8.2.2 Historical and Current Market Trends (2019-2024)
8.2.3 Market Forecast (2025-2033)
9 Japan Cybersecurity Market – Breakup by Industry Vertical
9.1 IT and Telecom
9.1.1 Overview
9.1.2 Historical and Current Market Trends (2019-2024)
9.1.3 Market Forecast (2025-2033)
9.2 Retail
9.2.1 Overview
9.2.2 Historical and Current Market Trends (2019-2024)
9.2.3 Market Forecast (2025-2033)
9.3 BFSI
9.3.1 Overview
9.3.2 Historical and Current Market Trends (2019-2024)
9.3.3 Market Forecast (2025-2033)
9.4 Healthcare
9.4.1 Overview
9.4.2 Historical and Current Market Trends (2019-2024)
9.4.3 Market Forecast (2025-2033)
9.5 Defense/Government
9.5.1 Overview
9.5.2 Historical and Current Market Trends (2019-2024)
9.5.3 Market Forecast (2025-2033)
9.6 Manufacturing
9.6.1 Overview
9.6.2 Historical and Current Market Trends (2019-2024)
9.6.3 Market Forecast (2025-2033)
9.7 Energy
9.7.1 Overview
9.7.2 Historical and Current Market Trends (2019-2024)
9.7.3 Market Forecast (2025-2033)
9.8 Others
9.8.1 Historical and Current Market Trends (2019-2024)
9.8.2 Market Forecast (2025-2033)
10 Japan Cybersecurity Market – Breakup by Region
10.1 Kanto Region
10.1.1 Overview
10.1.2 Historical and Current Market Trends (2019-2024)
10.1.3 Market Breakup by Component
10.1.4 Market Breakup by Deployment Type
10.1.5 Market Breakup by User Type
10.1.6 Market Breakup by Industry Vertical
10.1.7 Key Players
10.1.8 Market Forecast (2025-2033)
10.2 Kinki Region
10.2.1 Overview
10.2.2 Historical and Current Market Trends (2019-2024)
10.2.3 Market Breakup by Component
10.2.4 Market Breakup by Deployment Type
10.2.5 Market Breakup by User Type
10.2.6 Market Breakup by Industry Vertical
10.2.7 Key Players
10.2.8 Market Forecast (2025-2033)
10.3 Central/ Chubu Region
10.3.1 Overview
10.3.2 Historical and Current Market Trends (2019-2024)
10.3.3 Market Breakup by Component
10.3.4 Market Breakup by Deployment Type
10.3.5 Market Breakup by User Type
10.3.6 Market Breakup by Industry Vertical
10.3.7 Key Players
10.3.8 Market Forecast (2025-2033)
10.4 Kyushu-Okinawa Region
10.4.1 Overview
10.4.2 Historical and Current Market Trends (2019-2024)
10.4.3 Market Breakup by Component
10.4.4 Market Breakup by Deployment Type
10.4.5 Market Breakup by User Type
10.4.6 Market Breakup by Industry Vertical
10.4.7 Key Players
10.4.8 Market Forecast (2025-2033)
10.5 Tohoku Region
10.5.1 Overview
10.5.2 Historical and Current Market Trends (2019-2024)
10.5.3 Market Breakup by Component
10.5.4 Market Breakup by Deployment Type
10.5.5 Market Breakup by User Type
10.5.6 Market Breakup by Industry Vertical
10.5.7 Key Players
10.5.8 Market Forecast (2025-2033)
10.6 Chugoku Region
10.6.1 Overview
10.6.2 Historical and Current Market Trends (2019-2024)
10.6.3 Market Breakup by Component
10.6.4 Market Breakup by Deployment Type
10.6.5 Market Breakup by User Type
10.6.6 Market Breakup by Industry Vertical
10.6.7 Key Players
10.6.8 Market Forecast (2025-2033)
10.7 Hokkaido Region
10.7.1 Overview
10.7.2 Historical and Current Market Trends (2019-2024)
10.7.3 Market Breakup by Component
10.7.4 Market Breakup by Deployment Type
10.7.5 Market Breakup by User Type
10.7.6 Market Breakup by Industry Vertical
10.7.7 Key Players
10.7.8 Market Forecast (2025-2033)
10.8 Shikoku Region
10.8.1 Overview
10.8.2 Historical and Current Market Trends (2019-2024)
10.8.3 Market Breakup by Component
10.8.4 Market Breakup by Deployment Type
10.8.5 Market Breakup by User Type
10.8.6 Market Breakup by Industry Vertical
10.8.7 Key Players
10.8.8 Market Forecast (2025-2033)
11 Japan Cybersecurity Market – Competitive Landscape
11.1 Overview
11.2 Market Structure
11.3 Market Player Positioning
11.4 Top Winning Strategies
11.5 Competitive Dashboard
11.6 Company Evaluation Quadrant
12 Profiles of Key Players
12.1 Company A
12.1.1 Business Overview
12.1.2 Services Offered
12.1.3 Business Strategies
12.1.4 SWOT Analysis
12.1.5 Major News and Events
12.2 Company B
12.2.1 Business Overview
12.2.2 Services Offered
12.2.3 Business Strategies
12.2.4 SWOT Analysis
12.2.5 Major News and Events
12.3 Company C
12.3.1 Business Overview
12.3.2 Services Offered
12.3.3 Business Strategies
12.3.4 SWOT Analysis
12.3.5 Major News and Events
12.4 Company D
12.4.1 Business Overview
12.4.2 Services Offered
12.4.3 Business Strategies
12.4.4 SWOT Analysis
12.4.5 Major News and Events
12.5 Company E
12.5.1 Business Overview
12.5.2 Services Offered
12.5.3 Business Strategies
12.5.4 SWOT Analysis
12.5.5 Major News and Events

Company names have not been provided here as this is a sample TOC. Complete list to be provided in the final report.

13 Japan Cybersecurity Market – Industry Analysis
13.1 Drivers, Restraints, and Opportunities
13.1.1 Overview
13.1.2 Drivers
13.1.3 Restraints
13.1.4 Opportunities
13.2 Porters Five Forces Analysis
13.2.1 Overview
13.2.2 Bargaining Power of Buyers
13.2.3 Bargaining Power of Suppliers
13.2.4 Degree of Competition
13.2.5 Threat of New Entrants
13.2.6 Threat of Substitutes
13.3 Value Chain Analysis

14 Appendix



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