Rainbow Six Siege X servers and primary services are back up and running after the game experienced a massive hack yesterday, forcing the game's developers to shut down the game completely. The devs posted on X that players are now safe to return to the game.
The devs clarified that those returning to the game right now might experience a wait queue as Rainbow Six Siege's services ramp back up. Those who connected to the game's services after December 27th, 19:49 UTC, might lose access to their accounts temporarily as Ubisoft looks to clean up all the extra free goodies that many Siege players received from yesterday's hack. But, "players who did not log in between December 27th, 10:49 UTC and December 29th should see no changes to their inventory." The devs report their investigation into this issue will continue over the next two weeks. In a similar vein, the devs also reported that the Rainbow Six Siege marketplace will remain closed until further notice.
➡️ Our live tests are now complete and we are opening the game to all players. Please note that you may experience a queue when connecting, as our services ramp up. ➡️ The rollback is also complete.🔸 Players who did not log in between December 27th 10:49 UTC and December 29th… https://t.co/mfaAVnvK5GDecember 29, 2025
Yesterday morning, the game came under siege by hackers who took control of the game's backend, giving them complete control over the game's systems. The hack was so severe that the attackers were able to apparently ban and unban players at will, as well as give any player they wanted as many in-game credits and skins as they wished. Player reports from yesterday saw some players receiving two billion R6 credits and super rare skins, including developer-only skins.
The attack represents one of the largest gaming hacks in recent history, due to the fact that the Rainbow Six Siege developers had to take the entire game offline to stop the attackers. There have been plenty of game hacks in recent history, but none affecting the game from head to toe, and requiring the affected game to be taken down completely.
At the time of writing, Rainbow Six Siege's playerbase on Steam has completely recovered, reaching an average of 54,000 concurrent players yesterday and 50,000 so far today. These match the game's average weekly concurrent player spikes of 50,000 to 60,000 players, respectively.
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