Ranjan Kumar
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← All articles
ai-security
19 articles
Title
Date
On-Device AI Doesn't Remove the Attack Surface. It Ships It.
Aug 21, 2026
Claude's Watermark Isn't Live. Your Provenance Debt Is.
Aug 19, 2026
Global Policy Enforcement vs. Per-Agent Gate Rules: Two Layers That Must Not Collapse Into One
Apr 8, 2026
Compliance, Audit Trails, and Regulatory Requirements for Agentic Systems
Apr 8, 2026
Gated Execution: Why Your Agent Should Never Act Without Permission
Apr 5, 2026
Deterministic Constraint Systems: Building Tool Registries That Keep Agents in Scope
Apr 5, 2026
Multi-Party Authorization: Requiring Human Approval Without Killing Autonomy
Feb 25, 2026
Agent Audit Trails: Logging Context, Not Just Actions
Feb 23, 2026
Credential Scoping for Agents: Why Temporary Keys Aren't Enough
Feb 22, 2026
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
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
The Agent Trust Problem: Why Security Theater Won't Save Us from Agentic AI
Feb 5, 2026
Books by Ranjan Kumar
The 7 GenAI Architectures
Explore the Book
Building Real-World Agentic AI Systems
Explore the Book
The ChatML Handbook
Explore the Book
The Chat Templates Handbook
Explore the Book
