SANS Instructors

Adam Harrison has 15 years of experience in Digital Forensics and Incident Response, the last 10 of which have focused on helping organisations prepare for, prevent and respond to cybersecurity incidents.

Shane Harsch is an information security professional with over 25 years of experience ranging from military to manufacturing to security consulting and professional services.

Ken owns Lucid Truth Technologies, a private investigation agency and forensic consulting firm specializing in computer, mobile, network, and cloud forensics. Ken’s mission is to “make the truth clear,” and that's reflected in his teaching style.

Satoshi Hayashi started his information security career at a major telecommunications company and then joined the Metropolitan Police Department as a computer crime special investigator before returning to telecom.

David has 20+ years of experience in vulnerability management, application security, and DevOps. He's developed technical security training initiatives, and believes vulnerability management is one of the most important foundations of cybersecurity.

Kathryn Hedley has led various forensic teams since 2010, spending three years embedded within a cross-organizational team, liaising directly with multiple clients. She is currently a Director and Digital Forensic Specialist for Khyrenz Ltd.

Justin Henderson is the founder and CEO of H&A Security Solutions, a SANS Senior instructor, and author of two of SANS' popular Blue Team courses.

Michael is a CISO and Senior Network Security Architect for Solipsys Corporation. He oversees cyber operations, including secure network architecture and design, incident response and forensics, vulnerability management, and penetration testing.

Josh is a Digital Forensics Expert with Cellebrite. Previously, he was a Senior Vice President with Kroll, the Forensic Scientist Manager of the N.C. State Crime Lab and a Forensic Computer Agent with the North Carolina State Bureau of Investigation.

David Hoelzer has fundamentally advanced cybersecurity by pioneering the GIAC Security Expert (GSE) certification, leading AI-driven threat detection initiatives, and developing MAVIS, an open-source ML tool enhancing code review processes.

Mike is a SANS Technology Institute graduate, earning his master’s degree in information security engineering with an Industrial Control Systems focus. Besides his work at Dragos, Inc. he teaches ICS612: ICS Cybersecurity In-Depth at SANS.

Micah Hoffman has over 20 years of experience in the information technology field supporting federal government, commercial, and internal customers in their efforts to discover and quantify information security weaknesses.