PROBLEM
AI Agents Vulnerable to Prompt Injection via Encoding Obfuscation
Attackers can exploit AI agents by encoding malicious instructions (e.g., Morse code) to bypass safety filters and trigger unintended high-cost actions, resulting in significant financial loss.
Updated: 5/21/2026
Implement multi-layer input validation: (1) Decode and normalize all input formats before processing, (2) Use strict allowlisting for agent actions with financial impact, (3) Add rate limiting and transaction approval workflows, (4) Monitor for encoding patterns (Morse, base64, hex) in user inputs, (5) Implement cost caps per agent execution, (6) Use separate LLM calls for instruction parsing vs. execution to create a verification boundary.
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