SANS Instructors

From tracking a data breach across five countries and 1,000 systems to pioneering file system journaling forensics, David has been relentlessly advancing DFIR through research, tools, public speaking, and frontline incident response since 1999.

Joel Cox is a Senior Cybersecurity Engineer and shareholder at West Yost Associates. He has significant experience in Information Technology and has spent the last 10 years helping water/wastewater owner/operators secure their industrial control systems through education, assessments, and implementation of best practices.

Domenica has revolutionized mobile device forensics through her 15-year tenure supporting U.S. federal law enforcement and intelligence agencies and leading global training for elite units including the FBI and military special forces.

Christopher Crowley, a SANS Senior Instructor, has 25 years of industry experience managing and securing networks. He has authored numerous courses and is considered a leading expert in building an effective SOC.

Aaron is a Senior Security Consultant at Cypress Data Defense and teaches SANS SEC542: Web App Penetration Testing and Ethical Hacking, and SEC588: Cloud Penetration Testing.

SANS Instructor Jan D'Herdt is the Head of Enterprise Security Architecture at a global Biopharma, where he leads initiatives across security architecture, policies, awareness, and many other cybersecurity related activities. He teaches LDR512: Security Leadership Essentials for Managers, bringing his extensive hands-on experience and leadership in cybersecurity to the classroom.

Chris Dale is the founder and principal consultant at River Security. Chris has a background in System Development, IT-Operations and Security Management, and uses his hacker skills to demonstrate risk via Offensive Services and Incident Response.

Barrett Darnell is a Principal Security Engineer on the Intuit Red Team, a vital part of the organization that protects Intuit and customers from all forms of cybercrime.

Mari DeGrazia loves the satisfaction of solving a good puzzle. That fascination paired with her technical abilities has made digital forensics the perfect career fit. "There is nothing like the adrenaline rush of figuring out a tough case when you find that smoking gun or vital clue that will help solve it," she says.

Nico is an all round all source analyst with years of government experience. He has taught hundreds of police, tax, and military units to conduct OSINT research & analysis.

Jason Dely brings over 20 years of experience and a diverse industrial control system background to SANS and the industrial control system (ICS) community.

Ted Demopoulos background includes over 25 years of experience in information security and business, including 20+ years as an independent consultant.