The Threat Vector:
Cross-Prompt Injection
As of December 2025, AI Agents possess the capability to read your screen and files. This convenience opens a critical vulnerability: hackers embedding invisible text in websites and PDFs.
⚠ THE RISK
Malicious commands can force your AI to exfiltrate data without your knowledge.
The Mental Model Shift
Intern vs Manager attributes.
Protocol 01
The "Air Gap" Folder Structure
🛑 Action Required
- ✓ Create folder
_AI_SANDBOX
File System Exposure
Protocol 02
The "Human-Verify" Gate
Prevent the Agent from executing malicious external commands.
ALWAYS ON
🤖
Agent
➔
✋
HUMAN GATE
➔
🚀
Execution
Protocol 03
Browser Isolation
Browser A: The Vault
Finance & Admin.
Browser B: The Scout
Research & AI.
The Bottom Line
"Speed is the advantage of 2025. Security is the longevity."