Arcadia cyberattack leaks personal data of tens of thousands across Japanese municipalities

Oita Prefecture said about 38,000 people's personal information may have leaked after unauthorized access to Arcadia, a contractor running its disaster-prevention email system. Multiple municipalities including Miyagi's Tomiya, Hyogo's Shiso and Oita suspended disaster email distribution, and Saitama City reported a possible leak of about 35,000 people's data.

Detected & updated continuously · Source: Nebula