Ranjan Kumar
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agentic-systems
10 articles
Title
Date
The Tool Execution Firewall: Pattern-Based Defense for Agent Actions
Feb 21, 2026
Trust Gradients: Dynamic Permission Scaling Based on Agent Behavior
Feb 17, 2026
Capability Tokens: Fine-Grained Authorization for Non-Deterministic Agents
Feb 16, 2026
Context Sandboxing: How to Prevent Tool Response Poisoning in Agentic Systems
Feb 14, 2026
The Agent DMZ: Isolating Decision-Making from Execution in Production AI
Feb 13, 2026
Zero Trust Agents: Why 'Verify Every Tool Call' Is the Only Defensible Architecture
Feb 12, 2026
The Panopticon Agent: How Agentic AI Makes Surveillance Trivial and Invisible
Feb 11, 2026
Prompt Injection Is Just the Beginning: The Undefendable Attack Surface of Agentic AI
Feb 10, 2026
The Agentic Security Divide: Why Only Rich Companies Can Deploy AI Agents Safely
Feb 9, 2026
The Autonomous Credential Problem: When Your AI Needs Root Access
Feb 8, 2026