3 reportsPriority High
Japan's SiteGuard WAF flaw exploitation
A critical vulnerability in Japan's SiteGuard WAF is being actively exploited, posing a risk to organisations using the product.
First report Latest
What is going on
- Japan's SiteGuard WAF flaw CVE-2026-106931 is already being exploited.
- Cybersecurity companies in Japan are experiencing significant business growth.
- The City of Osaka warned 2.8 million residents about suspicious emails claiming to be from local government authorities.
- What to watch: Whether the vulnerability is linked to the broader cyber incidents affecting Japan.
Reports in this story
Newest first. Each one is a separate event with its own sources and evidence.
- Priority LowType Incident
City of Osaka warns of data breach impacting 1 million as Japan reels from dozens of cyber incidents
- Priority HighType VulnerabilityLead report
Japan’s SiteGuard WAF flaw CVE-2026-106931 is already being exploited
- Priority LowType Research & news
Business booming for cybersecurity companies in Japan