reticle

Least-privilege permissions

• Limit what the agent can see: Configure reticle to only observe UI elements and data the agent actually needs for its task—not entire screens, forms, or databases. Think of it like giving someone a keycard for one office, not the whole building.
• Restrict sensitive fields: Explicitly exclude passwords, credit card numbers, API keys, and personal information from the agent's perception. These should be invisible to the perception layer.
• Use role-based access: If multiple agents use reticle, ensure each one only perceives data relevant to their specific job function—a billing agent shouldn't see HR systems.
• Audit scope regularly: Review what the agent can actually "see" at least quarterly; as applications change, unintended data exposure can creep in.

Network isolation

• Keep perception local when possible: Run reticle instrumentation within your own network/environment rather than sending runtime data to external services or cloud logging.
• Encrypt any transmission: If perception data must leave your infrastructure, use encrypted channels (HTTPS/TLS) and verify endpoints are trusted.
• Block exfiltration paths: Use network firewalls to prevent the agent from reaching external APIs or storage systems—only allow communication to approved internal services.

Monitoring

• Log what the agent perceives: Record which UI elements, data fields, and user actions the agent observes—this creates an audit trail to detect suspicious activity.
• Alert on unexpected access: Set up alerts if the agent attempts to perceive data outside its defined scope (e.g., trying to read a password field it shouldn't).
• Track perception requests: Monitor the frequency and patterns of perception calls; sudden spikes or unusual timing may signal misuse.

Red flags to watch for

• Malicious UI content: If your application displays user-generated content or third-party ads, attackers could inject text designed to trick the agent into harmful actions—test defenses against this.
• Overly broad instrumentation: If the setup feels simple or fast because "everything is visible," that's a warning sign—perception should be deliberately scoped, not wide-open.
• Unvetted updates: Before upgrading reticle, check release notes and community reports; as a young library, security patches may arrive suddenly.
• Mixed-purpose agents: Agents that handle both user-facing tasks and backend operations are riskier—compartmentalize functions to limit blast radius if one agent is compromised.