Free PDF — Production Reference

The AI Security Cheatsheet

2026 Edition · Production-Ready Defenses for LLM Apps

Every production threat against LLM apps in one place. Prompt injection, jailbreaks, RAG poisoning, agent privilege escalation, PII leakage, output handling — with concrete defenses and code you can ship today.

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OWASP LLM Top 10 Coverage All 10 vulnerability classes mapped to your stack, with detection and mitigation patterns for each.
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Prompt Injection Defenses Direct, indirect, multi-modal — every variant with detection prompts, classifier patterns, and stripping logic.
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Agent Hardening Playbook Tool allowlists, sandboxing, output validation, secrets isolation, audit logging — production agent security.
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Compliance Quick-Map GDPR, HIPAA, SOC2 considerations for LLM apps. What auditors actually ask. PII redaction patterns.

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What's Inside

Threats

  • OWASP LLM Top 10 with concrete examples
  • Prompt injection (direct/indirect/multimodal)
  • Jailbreak patterns and what actually works in 2026
  • RAG poisoning, embedding inversion, data leakage

Defenses

  • Input sanitization patterns + classifier prompts
  • Output validation with structured schemas
  • Sandboxed tool execution for agents
  • Rate limiting, cost ceilings, anomaly detection

Agents

  • Tool allowlists and least-privilege design
  • Confused-deputy and privilege escalation
  • Multi-step plan validation
  • Audit logging that's actually useful in an incident

Compliance

  • GDPR + LLM: data minimization, RTBF, lawful basis
  • HIPAA-aligned RAG architectures
  • SOC2: access control, encryption, monitoring
  • Red-team checklist before shipping