Bryan Geraldo

Principal Detection & Response Engineer

Bryan Geraldo brings 27+ years of cybersecurity expertise to his role as a Principal Engineer, helping lead and build Expel’s Threat Hunting and Emerging Threats solutions. He is an accomplished cyber security engineer and researcher that focuses on building forward-thinking behavioral-based threat detection and hunting models/solutions to help find evil within your data.

Posts by Bryan Geraldo

MDR | 3 min read

Hypothesis-based threat hunting: the what, why, and how

Your threat hunting program should focus on TTPs, holes, and areas of concern around your security posture and create hunts to probe those areas.

MDR | 4 min read

The role of AI threat detection in threat hunting

Artificial intelligence—or, more accurately, machine learning (ML)—is a huge boost for threat hunters. Here's how AI threat detection works.

MDR | 5 min read

Threat hunting: Build or buy?

Should you build your own threat hunting capability or get a partner? This post breaks down your options and the crucial cost considerations.

MDR | 4 min read

What’s threat hunting and is it worth it?

Confused about threat hunting? You're not alone. Learn what it is, how it works, and the value it brings to your org's detection and response.