# Japan Expands Cyber Surveillance to Domestic Traffic Government considers active cyber defense measures to counter rising domestic network threats. - **Source:** [Mainichi – Flash](https://mainichi.jp) - **Published:** 2026-11-06 - **Topic:** [technology](https://brifing.si/c/technology) - **Original article:** - **On Brifing:** https://brifing.si/s/e7cb71dd-e28e-4bb1-8eb9-c821b441f96b ## Expanding Surveillance Scope The Japanese government is currently evaluating the expansion of communication monitoring to include domestic traffic. This shift marks a significant evolution in the nation's active cyber defense strategy. Officials aim to address vulnerabilities exposed by recent unauthorized access incidents, moving beyond traditional international border monitoring to secure internal network infrastructures effectively. ## Active Defense Strategy Active cyber defense represents a proactive approach to identifying and neutralizing threats before they penetrate critical systems. Unlike passive monitoring, this strategy involves deeper inspection of data packets. The government is now exploring how to implement these measures domestically while balancing national security requirements with existing privacy and communication secrecy laws. ## Recent Security Incidents The urgency for these measures was highlighted by recent unauthorized access incidents, including those affecting FX automated trading systems. Such breaches demonstrated that private sector entities face sophisticated risks that current defensive frameworks struggle to mitigate. These events have forced policymakers to reconsider the extent of government intervention in private network traffic. ## Government Emergency Measures In response to the escalating threat landscape, the government has published a series of emergency cyber measures. These include plans for significant personnel increases and the expansion of technical equipment across relevant agencies. The initiative focuses on creating a robust response mechanism to handle large-scale cyber attacks that threaten national stability. ## Public-Private Collaboration A core component of the new strategy is the formation of a public-private rescue team. This collaborative effort aims to leverage top-tier talent to bolster national cyber resilience. By integrating specialized expertise from the private sector, the government hopes to create a more agile defense against complex, evolving digital threats. ## Operational Challenges Implementing active defense domestically presents substantial operational and legal challenges for the government. Officials are currently navigating the complexities of monitoring private communications without infringing on constitutional rights. The process remains in an exploratory phase, as authorities seek a viable framework that ensures security without disrupting the digital economy's daily operations. ## Focus on Automated Trading The recent focus on FX automated trading platforms highlights the specific risks posed to financial technology sectors. These systems are prime targets due to their high-frequency nature and potential for direct financial loss. Protecting these platforms is now a priority, necessitating closer scrutiny of the traffic patterns and vulnerabilities within these networks. ## Future Security Outlook As cyber threats become more frequent and sophisticated, Japan's shift toward domestic monitoring signals a long-term change in security policy. The success of this initiative will depend on the government's ability to maintain public trust while enhancing technical oversight. Future developments will likely focus on refining the balance between privacy and protection. ## Sources covering this story - https://mainichi.jp/articles/20261106/k00/00m/010/409000c — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._