Japan Digital Agency Data Breach History
WebsiteJapan’s Digital Agency (デジタル庁) operates government digital infrastructure including the Government Solution Service (GSS).
This page shows all data breaches of Japan Digital Agency. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.
Data Breach Timeline — All Japan Digital Agency Breaches
Japan Digital Agency Data Breach Summary
This page tracks the Japan Digital Agency data breach history and cybersecurity incidents affecting Japan Digital Agency (Japan). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately 246 thousand records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.
The Japan Digital Agency breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.
Largest Japan Digital Agency Data Breaches
The largest indexed incidents include the 2026 Japan Digital Agency GSS — VPN flaw; ~246,000 personnel-related records possi…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Japan Digital Agency or a regulator. Below is the list of large data breaches:
- 2026 2026 Japan Digital Agency GSS — VPN flaw; ~246,000 personnel-related records possibly leaked — about 246.0K records exposed · Catalogued incident
What Information Was Exposed?
Depending on the incident, exposed data may include email addresses, phone numbers, names, physical addresses, bank account details, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.
Japan Digital Agency Data Breach 2026
At the time of this update, BreachHistory catalogues 1 2026 incident related to Japan Digital Agency. Most recent entry: 2026 Japan Digital Agency GSS — VPN flaw; ~246,000 personnel-related records possibly leaked. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.
What To Do If You Were Affected
If you believe your account may have been involved in a Japan Digital Agency data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.
This Japan Digital Agency breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.