dev.to/tag/security· Aug 29, 2026· by jaryn

Free Model, Free Server, Not Free Secrets: A 3-Layer Data Quarantine

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Friday, 4:47 PM. You wire the free model endpoint into your internal Q&A bot. The first test works. The second test works too. Then you scroll up and see the ticket summary you pasted — customer email, VPN client ID, a support note mentioning the prod database name. All of it just left your network. The invoice said $0. The cost wasn't. Free tokens are a trade. Not a gift. Treat a third-party model like a local grep, and you are signing an invisible data-processing agreement. Disclosure: This ar
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#security#ai#privacy#selfhosted