| Date | June 8 – August 5, 2024 |
|---|---|
| Location | Japan |
| Type | Cyberattack, Data breach, Ransomware attack |
| Motive | Money |
| Target | Niconico, Kadokawa Group's websites |
| Property damage | 254,241 users' data leaked |
| Suspects | BlackSuit |
On the morning of June 8, 2024, Kadokawa's website and the Japanese video-sharing platform Niconico, suffered a ransomware cyberattack by a Russian-linked hacker group called BlackSuit who claimed responsibility for the attack.[1]