CYBER ATTACK / OTHER
JNSA.
JNSA.
DATA BREACH
5 news reports on the JNSA data breach in the last 14 days, 3 of them in the last 24 hours. See every attack on the live map.
JNSA data breach: the details
- Type: Data breach
- Sector: Other
- Where: Japan
- Reports, last 14 days: 5
- Latest report: 22:57 UTC, 07 November 2026
3
Average 0.4 a day
See the numbers
| Day | Reports |
|---|---|
| 26 Oct | 0 |
| 27 Oct | 0 |
| 28 Oct | 0 |
| 29 Oct | 0 |
| 30 Oct | 0 |
| 31 Oct | 0 |
| 1 Nov | 0 |
| 2 Nov | 0 |
| 3 Nov | 0 |
| 4 Nov | 0 |
| 5 Nov | 0 |
| 6 Nov | 2 |
| 7 Nov | 3 |
| 8 Nov (so far) | 0 |
Latest JNSA news
- Unauthorised access to Japan Network Security Association, with up to 15,000 personal records possibly leaked千葉テレビ放送株式会社 · Data breach · Japan · 07 Nov 2026, 22:57 UTC
- Unauthorised access at Japan Network Security Association may have leaked up to 15,000 personal recordsYahoo!ニュース · Data breach · Japan · 07 Nov 2026, 22:51 UTC
- Unauthorised access at Japan Network Security Association may have leaked up to 15,000 personal recordsCNET Japan · Data breach · Tokyo, Japan · 07 Nov 2026, 22:36 UTC
- Possible information leak from information security education service; JNSA suspends use and investigates with external specialist firmNOVAIST · Data breach · Tokyo, Japan · 06 Nov 2026, 06:59 UTC
- Unauthorised access to Japan Network Security Association (JNSA) may have leaked up to 15,128 personal records, including IDs and hashed passwords from its security literacy check合同会社ロケットボーイズ · Data breach · Tokyo, Japan · 06 Nov 2026, 02:47 UTC