Non-Zero-Day VPN Flaw Left Japan ‘s Government Shared Network Platform Exposed: 246,000 Records at Risk
Japan ‘s Digital Agency disclosed a VPN breach exposing 246,000 government employee records across 23 ministries. Detected June 25, publicly disclosed September 11. Japan ‘s Digital Agency disclosed that attackers exploited a vulnerability in a VPN device to access its Government Solution Service (GSS), potentially leaking personal information belonging to approximately 246,000 government employees, public […]
Pierluigi Paganini
September 15, 2026
Japan ‘s Digital Agency disclosed that attackers exploited a vulnerability in a VPN device to access its Government Solution Service (GSS), potentially leaking personal information belonging to approximately 246,000 government employees, public officials, and contractors. The breach was detected on June 25 and confirmed as a VPN exploitation on July 9, meaning the public disclosure came 78 days after the initial detection and 63 days after the intrusion method was identified.
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