CYBER ATTACK / GOVERNMENT

JAPAN MINISTRY OF FOREIGN AFFAIRS.
DATA BREACH

25 news reports on the Japan Ministry of Foreign Affairs data breach in the last 14 days, 25 of them in the last 24 hours. See every attack on the live map.

01 / WHAT WE KNOW

Japan Ministry of Foreign Affairs data breach: the details

Type: Data breach
Sector: Government
Where: Tokyo, Japan
Reports, last 14 days: 25
Latest report: 11:56 UTC, 30 October 2026

Reports on the Japan Ministry of Foreign Affairs data breach each day17 Oct to 30 Oct · today is lighter, still counting

Average 0.0 a day

See the numbers

Day	Reports
17 Oct	0
18 Oct	0
19 Oct	0
20 Oct	0
21 Oct	0
22 Oct	0
23 Oct	0
24 Oct	0
25 Oct	0
26 Oct	0
27 Oct	0
28 Oct	0
29 Oct	0
30 Oct (so far)	25

More cyber attacks in Japan

02 / LATEST

Latest Japan Ministry of Foreign Affairs news

Foreign ministry: unauthorised access may have leaked personal data of about 3,600 people, including names; no diplomatic secrets includedTBS NEWS DIG · Data breach · Tokyo, Japan · 30 Oct 2026, 11:56 UTC
Foreign ministry: possible leak of about 3,600 personal records, including names, after unauthorised access; no diplomatic secrets includedYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 11:55 UTC
Japan's Foreign Ministry reports data breach affecting 3,600 recordsAnadolu Ajansı · Data breach · Tokyo, Japan · 30 Oct 2026, 11:33 UTC
Japan Foreign Ministry leaks personal data of 3,600 people after unauthorised access in July時事ドットコム · Data breach · Tokyo, Japan · 30 Oct 2026, 10:07 UTC
Foreign Ministry hit by unauthorised access; personal data of 3,600 people may have leaked, including 900 non-staffテレ朝NEWS · Data breach · Tokyo, Japan · 30 Oct 2026, 09:20 UTC
Japan's Foreign Ministry hit by unauthorised access; personal data of about 3,600 people may have leaked, including 900 non-staffkhb東日本放送 · Data breach · Tokyo, Japan · 30 Oct 2026, 09:20 UTC
Unauthorised access at Japan's Foreign Ministry, possibly leaking personal data of 3,600 people including 900 non-staffQAB 琉球朝日放送 · Data breach · Tokyo, Japan · 30 Oct 2026, 09:20 UTC
Breaking: Unauthorised access to Japan's Foreign Ministry, personal data of 3,600 people may have leaked, including data of 900 non-staffYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 09:20 UTC
Unauthorised access to Foreign Ministry; personal data of 3,600 people may have leaked, including 900 non-staffHOME広島ホームテレビ · Data breach · Tokyo, Japan · 30 Oct 2026, 09:20 UTC
Possible leak of personal information from Japan Foreign Ministry network, about 3,600 records including namesReuters · Data breach · Tokyo, Japan · 30 Oct 2026, 09:10 UTC
Possible personal data leak from Foreign Ministry network, about 3,600 cases including namesYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 09:10 UTC
Possible personal data leak from a network run by Japan's Foreign Ministry, about 3,600 cases including namesニューズウィーク日本版 · Data breach · Tokyo, Japan · 30 Oct 2026, 09:10 UTC

03 / ARCHIVE

Every report, last 14 days

Japan Foreign Ministry leaks about 3,600 records in unauthorised access; passport data not includedYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 09:08 UTC
Personal information leaked at Japan's Ministry of Foreign Affairs時事ドットコム · Data breach · Tokyo, Japan · 30 Oct 2026, 08:59 UTC
Japan Foreign Ministry says unauthorised access led to information leak47NEWS · Data breach · Tokyo, Japan · 30 Oct 2026, 08:58 UTC
Unauthorised access leads to information leak at Foreign MinistryYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 08:58 UTC
Information leaked through unauthorised access at Japan's Foreign Ministry京都新聞デジタル · Data breach · Tokyo, Japan · 30 Oct 2026, 08:58 UTC
Information leaked through unauthorised access, Foreign Ministry says沖縄タイムス社 · Data breach · Tokyo, Japan · 30 Oct 2026, 08:58 UTC
Foreign Ministry may have leaked personal information in 3,600 casesYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 08:53 UTC
Breaking: Unauthorised access to Foreign Ministry, personal data of 3,600 possibly leaked, including 900 non-staffNCC長崎文化放送 · Data breach · Tokyo, Japan · 30 Oct 2026, 08:48 UTC
Possible personal data leak from unauthorised access at Japan's Foreign Ministry; 3,600 cases including names and email addresses, some not staffYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 08:10 UTC
Possible personal data leak from Japan's Foreign Ministry through unauthorised access, about 3,600 cases including non-staff informationYahoo!ニュース · Data breach · Tokyo, Japan · 30 Oct 2026, 08:10 UTC
Possible personal data leak from unauthorised access at Japan's Foreign Ministry, about 3,600 items including email addresses and names, including information on non-staffFNNプライムオンライン · Data breach · Tokyo, Japan · 30 Oct 2026, 08:10 UTC
Japan Foreign Ministry may have leaked about 3,600 pieces of personal data, including email addresses and names, after unauthorised access detected in July this year読売新聞 · Data breach · Tokyo, Japan · 30 Oct 2026, 08:03 UTC
Unauthorised access at Japan's Foreign Ministry may have leaked about 3,600 pieces of personal data including email addresses and namesTBS NEWS DIG · Data breach · Tokyo, Japan · 30 Oct 2026, 07:54 UTC

These reports are grouped by an AI model (Claude Haiku), which can be wrong. It lists what news outlets report, not confirmed findings, and names of attackers are claims made in those reports. Every report links to its publisher. Back to all cyber attacks.

JAPAN MINISTRY OF FOREIGN AFFAIRS.DATA BREACH