Infra puzzles that sharpen your production instincts

GPT drops you into a SEV-1, and expands the blast radius until you mess up.
You win by learning something new.
Don't try to fight it. Lean into that discomfort when it finds a blind spot.
Difficulty: Staff+
Try it for a quarter.
The web version is free. No logins. The paid version emails your team a SEV-1 every week in private threads. Same code.
Auto-unsubscribed after 3 inactive weeks.
Here are the Terms + Privacy Policy
Billing & Payment Details  →
• One annual invoice after 3-month trial
• Fixed $10-50k/yr SaaS plans. No metering.
• 30% off multi-year terms via 1 check
• No auto-renewal or evergreen clauses
• Standard, pre-signed MSA/DPA. No redlines.
• 5x liability cap, uncapped for misconduct
• Prorated terms to align with your budget cycle
Security Posture →
• Email only. No SaaS dashboards to manage
• Zero access to customer data
• Heroku + AWS (US). AES-256. TLS 1.2+.
• No SOC 2 yet. Type I in 2026, Type II after.
• Insurance coverage: $1M E&O + $1M Cyber
• Ephemeral GPT prompts, no training
Jacob Comer
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Staff Engineer (IAM) @ infra/sec market leader