Real disasters. Real fixes. Real prevention. Learn from 15+ incidents that cost users $400-$1,847 each.
Then:
These are real incidents. From real users. With real dollar amounts.
12 Chapters • 140+ Pages • 27,000+ Words
The 0.0.0.0 mistake that exposed 312K instances. The Romanian dev who got a $847 Hetzner bill. The 5-minute security checklist that prevents 90% of breaches.
Why pip install fails. Why Docker networking breaks. Why virtual environments matter. The correct way to install OpenClaw on every platform.
The Seattle scientist who burned $423 in 6 hours with a recursion bug. How API keys leak through git history. Key rotation without downtime. Cost monitoring scripts.
The Dublin consultant whose agent ordered €340 of stuff on Amazon. Telegram allowed_users gotchas. Email OAuth vs IMAP security. Why Discord is dangerous.
Memory.md configuration deep-dive. Scope-limited commands. Confirmation patterns. Emergency stop procedures. How to give Claude access without giving it *everything*.
Default tool danger matrix (safe → dangerous). Exec allowlisting. Browser tool safeguards. File access scoping. The principle of least privilege actually applied.
VPS hardening. Docker resource limits. Multi-level monitoring. Log rotation. S3/B2 backup automation. The production deployment checklist.
Diagnostic trees for 5 failure categories. Process crashed troubleshooting. Slow/hanging diagnosis. Common error messages decoded. What to include when asking for help.
The ClawHub security problem (3,200+ unvetted skills). Known malicious skills. 6 red flags for spotting malware. Emergency response if you installed malicious code.
How OpenClaw costs add up. 4 real-world cost disasters ($340-$1,847). Hard limits and automatic shutoff. Budget allocation for teams. Emergency stop procedures.
What actually works (email summaries, code review, research). What doesn't (auto-send, architecture review). Evaluation framework for new use cases.
Step-by-step response for 6 common incidents: API key leaked, wrong emails sent, instance exposed, files deleted, huge bill, config leaked. Print-and-keep checklist.
Based on the 15+ real incidents documented:
If you read this guide and still make one of the mistakes it covers, I'll personally help you fix it for free.
(Just prove you read the relevant chapter first.)