Most Minecraft server operators either believe GDPR doesn't apply to them because they're "just a game server," or they panic about it and do nothing because it seems overwhelming. The reality is somewhere in between. GDPR does apply when you process personal data from EU residents - and IP addresses, which every server logs, count as personal data under EU law.
What Counts as Personal Data on a Minecraft Server
Minecraft UUIDs are not directly personal data - they're account identifiers that don't by themselves identify a real person. But IP addresses are personal data, and if you link UUIDs to usernames to payment accounts, that chain of data can identify an individual. In practice, you should treat any data that could contribute to identifying a player as personal data.
- ✓IP addresses - personal data, requires a legal basis to process
- ✓Minecraft usernames - pseudonymous but can often be linked to real identities
- ✓Chat logs - personal data if they contain names or other identifying information
- ✓Player UUIDs - not personal data alone, but personal in combination with other fields
Legal Bases for Processing
GDPR requires a legal basis for every type of data processing. For a game server, the most relevant bases are consent (the player agreed to your terms), contract performance (you need the data to provide the service), and legitimate interests (you need the data to prevent cheating and protect other players).
Logging IP addresses for security purposes - alt detection, ban enforcement - falls under legitimate interests. You have a genuine interest in preventing ban evasion, and that interest is balanced against the relatively low privacy impact of hashed IP storage. You don't need explicit consent for this, but you do need to document it in a privacy policy.
What Your Privacy Policy Needs to Cover
You need a privacy policy that players can find. It should explain what data you collect, why, how long you keep it, and who you share it with. For a standard Minecraft server connected to a ban network, that means covering IP logging for security, ban records for enforcement, and data shared with the network for cross-server ban synchronization.
The Warden Guard terms and privacy documentation covers what Warden Guard itself stores and processes. Your privacy policy needs to cover what your server stores and reference the network for shared data.
Right to Erasure - and Its Limits
Under GDPR Article 17, players have a right to request deletion of their personal data. This sounds like it should mean you have to delete ban records if someone asks. But Article 17(3)(e) creates an exception: you can retain data necessary for the establishment, exercise, or defence of legal claims. Ban records - especially for serious offenses - fall into this exception.
The practical approach is to delete genuinely personal data (IP history, chat logs) while retaining the ban record itself with only the UUID and offense details. This satisfies both the erasure request and the legitimate enforcement need. Warden Guard handles this distinction by design - personal data and enforcement records are stored separately.
Data Minimization in Practice
The easiest way to reduce GDPR compliance burden is to not collect data you don't need. If you're logging player chat for moderation purposes, set a retention period and actually delete old logs. If you're storing raw IP addresses, switch to hashed storage. Every category of personal data you don't store is one you don't need to protect, respond to erasure requests about, or document in your policy.