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.