Ubisoft security incident history
Hacking, data breaches and other security incidents involving Ubisoft, with related coverage.
Incidents: 2 · Most recent
Ubisoft takes Rainbow Six Siege servers offline after hack
Impact: Arbitrary distribution of in-game currency and rare items, account bans and unbans, and server shutdown on all platforms
In December 2025, a breach occurred in Rainbow Six Siege in which in-game currency and rare items were handed out arbitrarily and accounts were banned and unbanned. Ubisoft took the game servers offline on all platforms, and the servers came back online on 29 December. Ubisoft then compensated players and announced changes including the introduction of Secure Boot.
Related reports: 17 · last report →Ubisoft thwarts ransomware attack after being hacked
Ubisoft was hacked. It later emerged that a ransomware attack targeting Ubisoft had been thwarted.
Related reports: 2 · last report →