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Danube Labs

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Notes from the work.

Practical guides on AI coding agents, LLM costs, websites and custom software: what we built, what it cost and what we would do differently.

Articles tagged Security

  • 8 min read

    Zero Data Retention in AI Routers: Does ZDR Survive Every Hop?

    Zero data retention means a provider stores neither your prompt nor the answer. Through a router the promise must hold at every hop. Here is what OpenRouter, OpenCode and Command Code document as of 4 October 2026.

    • Security
    • AI
    • LLM
  • 7 min read

    Does ChatGPT Use My Data for Training? Privacy Settings Guide

    On personal plans, ChatGPT may train on your chats unless you opt out. Compare ChatGPT, Gemini, Claude, Copilot and others: training defaults, opt-outs, temporary chats and retention, checked 4 October 2026.

    • AI
    • Security
    • Guides
  • 8 min read

    Cybersecurity for Small Business: The 10 Steps That Matter

    Cybersecurity for small business starts with ten habits: unique passwords, 2FA, payment checks, updates, tested 3-2-1 backups and an incident plan. Checklist and Romanian contacts included.

    • Security
    • Small business
    • Guides
  • 7 min read

    Manage Multiple Vercel Accounts Without Logging Out

    Give every Vercel, Netlify, Cloudflare, Supabase or Gmail account its own isolated browser session and you can switch without logging out. Here are the options, the security trade-offs and the rules to check.

    • Developer tools
    • Productivity
    • Security