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Securing Self-Hosted AI Tools Like Ollama

Running your own AI model at home (using tools like Ollama or LM Studio) keeps your data fully local, but the tool itself still needs securing like any other service on your network. Do not expose it to the internet without authentication, and keep it updated.

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CE: Firewalls5 min read
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Why local does not automatically mean secure

Self-hosted AI tools let you run a large language model entirely on your own hardware, with nothing sent to a third-party company. This is a genuine privacy advantage, but it shifts all the security responsibility onto you. People sometimes assume that because a self-hosted AI tool keeps data local, it is automatically secure. Local only means the data does not leave your network by default, it says nothing about whether the tool itself is configured safely.

Safe habits for self-hosted AI

5 steps

How it goes wrong

4 steps

How to protect yourself

3 steps

Frequently asked questions

Is Ollama safe to run at home?

Yes, when kept on your local network with no ports forwarded to the internet, and kept updated.

Do I need a powerful computer to self-host an AI model?

Smaller models can run on fairly modest hardware, though larger models need more RAM and a capable GPU.

Can a self-hosted AI model still give me wrong information?

Yes, the same "confidently wrong" risk applies to any AI model, hosted locally or in the cloud.

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