JGJ A.I CyberSecurity Scoring
JGJ
Company Information
Website:https://www.japan.go.jp/
Employees number:959
Number of followers:317,625
NAICS:541821
Industry Type:Government Relations Services
Homepage:go.jp
JGJ Risk Score (AI oriented)
Between 650 and 699
JGJGovernment Relations Services
Updated:
11/09/2026
11/09/2026
688/1000
Weak
B
JGJ Global Score (TPRM)
xxxx
JGJGovernment Relations Services
Score locked

JGJWeak
Current Score
688B (WEAK)
01000
1 incidents
-78 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
OCTOBER 2026
690
SEPTEMBER 2026
688
AUGUST 2026
687
JULY 2026
685
JUNE 2026
762
Breach
25 Jun 2026 • JGJ
Japan Digital Agency: Japan says 246,000 personal data records may have leaked in government network breach
Japan’s Government Network Breach Exposes 246,000 Personal Records
684
CRITICAL-78
JAP1789116035
Japan’s Government Network Breach Exposes 246,000 Personal Records
Japan’s Digital Agency confirmed on Friday that approximately 246,000 personal records may have been exposed in a breach of the Government Solution Service (GSS), a shared IT environment used by multiple government agencies. The unauthorized access was detected on June 25 when an external party exploited a vulnerability in a virtual private network (VPN) device linked to a maintenance and operations account.
The breach, identified during an investigation concluded on July 9, potentially affected records tied to 189,000 government employees and personnel from organizations using the GSS, as well as 57,000 records related to companies and individuals conducting business with the government. Exposed data includes 236,000 names, 231,000 email addresses, 94,000 phone numbers, and 1,000 physical addresses. Authorities stated that the breach did not involve personal data of the general public.
In response, the affected account was disabled, and communications between the compromised equipment and external networks were restricted. The Digital Agency is continuing its investigation to assess the full scope of the incident and implement measures to prevent future breaches. Notifications will be sent to individuals and organizations identified as potentially impacted.
INCIDENT DETAILS -
TYPE
IMPACT
DATA BREACH
REFERENCES
MAY 2026
762
APRIL 2026
762
MARCH 2026
762
FEBRUARY 2026
762
JANUARY 2026
762
DECEMBER 2025
762
NOVEMBER 2025
762
Frequently Asked Questions
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