Japan passes Active Cyber Defense Law
Public Sector Action
Summary
Hide ▲
Show ▼
Japan passed the Active Cyber Defense Law in May 2025, giving the government new authority to require incident reporting and intercept suspicious foreign Internet traffic for critical infrastructure defense. The move expands Japan's cyber posture beyond passive defense and toward preemptive monitoring and response. A planned Cyber Council is intended to coordinate government agencies and private partners.
Related Happenings
CISA-led joint cybersecurity advisory for critical infrastructure
Public Sector Action
First: 09.12.2025 14:00
Last: 09.12.2025 14:00
Sources 1
About this happening:
**CISA**, **FBI**, **NSA**, **DOE**, **EPA**, **DC3**, and global partners issued a **joint cybersecurity advisory** urging **critical infrastructure organizations** to act immedi...
CISA-led joint cybersecurity advisory for critical infrastructure
Public Sector ActionAbout this happening: **CISA**, **FBI**, **NSA**, **DOE**, **EPA**, **DC3**, and global partners issued a **joint cybersecurity advisory** urging **critical infrastructure organizations** to act immedi...
UK government prepares National Cyber Action Plan and updated National Cyber Strategy
Public Sector Action
First: 03.12.2025 18:08
Last: 03.12.2025 18:08
Sources 1
About this happening:
The **UK government** prepared to publish the **National Cyber Action Plan** in **early 2026**, signaling new **business-first** cybersecurity expectations and clearer roles for c...
UK government prepares National Cyber Action Plan and updated National Cyber Strategy
Public Sector ActionAbout this happening: The **UK government** prepared to publish the **National Cyber Action Plan** in **early 2026**, signaling new **business-first** cybersecurity expectations and clearer roles for c...
NCSC retires Web Check and Mail Check external attack surface tools
Security Tool/Service
First: 10.11.2025 11:30
Last: 10.11.2025 11:30
Sources 1
About this happening:
The **UK National Cyber Security Centre (NCSC)** is retiring **Web Check** and **Mail Check** by **March 31 2026**, forcing users of these external attack surface management servi...
NCSC retires Web Check and Mail Check external attack surface tools
Security Tool/ServiceAbout this happening: The **UK National Cyber Security Centre (NCSC)** is retiring **Web Check** and **Mail Check** by **March 31 2026**, forcing users of these external attack surface management servi...
Canadian Centre for Cyber Security warning on hacktivist ICS breaches
Public Sector Action
First: 29.10.2025 21:03
Last: 29.10.2025 21:03
Sources 1
About this happening:
The **Canadian Centre for Cyber Security** issued a warning about **hacktivists** breaching **internet-exposed ICS** across **Canada**, raising the risk of **dangerous conditions*...
Canadian Centre for Cyber Security warning on hacktivist ICS breaches
Public Sector ActionAbout this happening: The **Canadian Centre for Cyber Security** issued a warning about **hacktivists** breaching **internet-exposed ICS** across **Canada**, raising the risk of **dangerous conditions*...
TwoNet’s Telegram cybercrime-service ads and doxxing of officials
Threat Actor Meta
First: 09.10.2025 14:13
Last: 09.10.2025 14:13
Sources 1
About this happening:
**TwoNet** expanded its Telegram activity into **cybercrime-service brokerage**, advertising **RaaS**, **hacker-for-hire**, and **SCADA access** while also exposing **intelligence...
TwoNet’s Telegram cybercrime-service ads and doxxing of officials
Threat Actor MetaAbout this happening: **TwoNet** expanded its Telegram activity into **cybercrime-service brokerage**, advertising **RaaS**, **hacker-for-hire**, and **SCADA access** while also exposing **intelligence...
Timeline
-
24.09.2025 03:00 2 articles · 8mo ago
Japan passes Active Cyber Defense Law
Initial DisclosureIn **May 2025**, Japan enacted the **Active Cyber Defense Law**, establishing new incident-reporting and traffic-interception powers for **critical infrastructure** defense.
Show sources
- As Incidents Rise, Japanese Government's Cybersecurity Falls Short — www.darkreading.com — 24.09.2025 03:00
- As Incidents Rise, Japanese Government's Cybersecurity Falls Short — www.darkreading.com — 24.09.2025 03:00