Nanobrowser Security (Part 2): Behavior Sandbox and Permission Control
Input filtering isn't perfect. When attackers bypass it, the behavior sandbox is the last line of defense — limiting what the agent can do when compromised.
Engineering Blog
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Input filtering isn't perfect. When attackers bypass it, the behavior sandbox is the last line of defense — limiting what the agent can do when compromised.
A single hidden white-text line can make your agent execute attacker instructions. Prompt injection isn't XSS or SQL injection — it lives at the AI reasoning layer.