Hackers hit Ubisoft, steal huge trove of game code and tools from 1990s to today

games
Sunday, 28 December 2025 at 13:35
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In recent times, hackers have been on a rampage, always trying to compromise systems. Their focus is mostly on prominent brands where they can get valuable data. The latest victim is Ubisoft, a French game developer.
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According to reports from Pirat_Nation on the X platform, the hackers stole tens of TBs of source code, SDKs, and gaming tools. The company’s system is compromised, and the codes for its games from the 90s to date are now in unauthorized hands.
The attack struck a difficult period for Ubisoft as Rainbow Six Siege problems developed. Many gamers observed strange behavior, including closed accounts, unauthorized purchases of in-game currency, among other things. To contain the harm, Ubisoft swiftly closed the game and store. The company said its tech team is trying to trace the intrusion and close the gap employed by the hackers.

How the attack happened

Reports show the hackers used a flaw in MongoDB to gain access to Ubisoft servers. This flaw allowed them to pull out huge amounts of data without being caught immediately. Experts warn that attacks on game servers are rising, and firms that host code and user data need to be very careful. Ubisoft’s leak is one of the largest in recent years, showing that even big firms are at risk.
While the hackers have not shared any code, the volume taken is massive, and it includes work from decades of game releases. Many tools and SDKs are part of the leak, which could pose risks for leaks of future games or the exposure of internal tech methods. The full impact will likely take weeks to assess.

Impact on players and future steps

Rainbow Six Siege players were the first to notice problems. Accounts were frozen, some items were bought without permission, and the in-game store was halted. Ubisoft says it is fixing the issues and checking if other games were affected.
This breach underlines the risk of data theft for game makers and their users. Ubisoft will likely boost security and review all systems to prevent similar breaches. While the full scale is not yet clear, the incident may change how code and game tools are stored, showing the risk even for big names in the game industry.
At the moment, there is no official statement from the company, and there is also no comment from the hackers.
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