Japan Threat Landscape Report 2025

Key Insights from Japan’s Cyber Threat Landscape

• Dark Web Exposure: Finance and Insurance (14.23%) and Public Administration (10.11%) lead Japan’s dark web exposure, followed by Retail Trade and Information Services. Over 70% of dark web threats involve stolen databases or sensitive information, and more than 64% specifically target Japan.
• Ransomware Activity: Qilin accounts for 41% of ransomware incidents—far ahead of other groups. Nearly 62.8% of ransomware attacks target Japan alone, showing localized threat focus.
• Phishing Trends: Information Services (22.28%) is the most targeted sector. Banking and crypto-themed lures—like JAネットバンク and Ethereum phishing pages—are common. 73.8% of phishing pages use HTTPS, increasing credibility and risk.
• DDoS Threats: Japan recorded 253,416 DDoS attacks, with peak bandwidth reaching 488.43 Gbps. TCP ACK, SYN, and DNS amplification attacks remain the most prevalent vectors.

Why This Report Matters

Japan’s digital ecosystem faces persistent, financially motivated threats driven by data leaks, targeted ransomware, and phishing operations that exploit trusted brands. Understanding these risks is essential for improving threat detection, prioritizing defensive investments, and protecting critical services.

Take Action Now

Strengthen your defenses with SOCRadar’s extended threat intelligence solutions:

• Dark Web Monitoring: Detect exposed data and compromised credentials early.
• Ransomware Intelligence: Track active ransomware groups targeting Japanese sectors.
• Phishing Detection & Response: Identify impersonation campaigns and fraudulent pages in real time.