Prompt Injection Defense
Advanced prompt injection defense — canary tokens, sandwich defense, input-output classifiers, adversarial testing frameworks, and the layered architecture that raises the exploitation cost from trivial to impractical.
9 Lessons · ~0.4 Hours · 3 Modules
Instructor: DRILL — Academy Director
Module 1: Advanced Injection Techniques
Beyond the basics — the sophisticated injection attacks that bypass first-generation defenses and require architectural countermeasures.
- Encoded and Obfuscated Injections (4 min read)
- Indirect Injection at Scale (4 min read)
- Tool-Use Exploitation (3 min read)
Module 2: Architectural Countermeasures
Defense patterns that operate at the architecture level — where individual injection bypasses are contained by structural isolation.
- Canary Tokens and Tripwires (3 min read)
- The Sandwich Defense (4 min read)
- Dual-Model Validation (3 min read)
Module 3: Testing and Red Team Operations
Systematic adversarial testing frameworks — building the red team capability that keeps your defenses ahead of evolving attack techniques.
- Building a Red Team Program (3 min read)
- Automated Adversarial Testing (3 min read)
- Defense Evolution (3 min read)