Agentic Security Engineering

Building with Agents

Lessons for defenders who want to master the use of agents.

New here? Start with the definition ›

Video + article
Harness design

How an Agent Decides What to Do Next

Think, act, observe: follow a tool request around the agent loop, and see how each result shapes the next question.

Read article ›
Video + article
Threat hunting

What Is Threat Hunting?

Bring human judgment into detection, understand its limits, and see how agents can extend it.

Read article ›
Video + article
Harness design

Build Agents That Amplify You

Collaboration by design, amplify rather than automate, and the right system for each job.

Read article ›
Video + article
Harness design

Stop Overengineering Your Agents

Only ever make things as complex as they need to be. What that means for an agent harness.

Read article ›
Video + article
Security data

How Should Security Agents Use Data?

When the data is prepared, how it is represented, and how those choices work together.

Read article ›
Video + article
Security data

The Foundational Problem of Using Agents for Security

Why raw telemetry needs a designed interface before it reaches an agent.

Read article ›
Video + article
Foundations

What Is an Agent Harness? A Security Perspective

Understand the model, the harness, and why the system around the model matters.

Read article ›
Start here
Available now

Ready to master agents for defensive security?

Start mastering agents for defensive security with my flagship, self-paced online course, designed specifically for defenders.

Follow a structured path from understanding agents to using them in your own environment.

What’s included

  • 125 lessons
  • Hands-on labs
  • Build It Yourself guides
  • Lifetime course access
  • Course updates included
  • One-time purchase