Blogs - Ai Agents

Prompt Injection Is the New SQL Injection — Part 2: Defense in Depth, Input Boundaries, and Tool Validation

Prompt Injection Is the New SQL Injection — Part 2: Defense in Depth, Input Boundaries, and Tool Validation

Part 2 of a 3-part series. Build a four-layer defense against prompt injection in Python — input sanitization, contextual isolation, strict tool argument validation with Pydantic, and human-in-the-loop gates.

November 07, 2026

Prompt Injection Is the New SQL Injection: A Practical Developer's Guide to Securing AI Agents — Part 1: Why the Analogy Holds

Prompt Injection Is the New SQL Injection: A Practical Developer's Guide to Securing AI Agents — Part 1: Why the Analogy Holds

Part 1 of a 3-part series. Why prompt injection is the defining security flaw of the LLM era, how it maps to SQL injection, and the direct vs. indirect attack taxonomy every developer needs.

November 05, 2026