This page lists all the cyberattacks referenced by Valéry Marchive for Japan.
Valéry is a French journalist and cybersecurity expert known for his deep investigations into cybercrime, particularly ransomware attacks. He co-founded LeMagIT a French IT publication
Kintetsu World Express (KWE)
Discovery Date: 2025-04-30
Estimated Attack Date: 2025-04-30
Ransomware Attack to KWE System | Kintetsu World Express
Hitachi Vantara
Discovery Date: 2025-04-28
Estimated Attack Date: 2025-04-26
Hitachi Vantara takes servers offline after Akira ransomware attack
Tokai University
Discovery Date: 2025-04-19
Estimated Attack Date: 2025-04-17
Tokai University Cyberattack Sparks Investigation By Police - The Pinnacle Gazette