Derek Rieck

• Over 20 years of experience in the cybersecurity industry

• Extensive expertise in all types of cyber investigations

Derek Rieck is a Senior Incident Responder at LevelBlue, based in Newtown Square, PA. Derek has over 20 years of experience in the cybersecurity industry, with more than 18 years investigating cybercrime. Throughout his career, Derek has worked hundreds of cyber investigations, including some of the most complex incidents.

In his role at LevelBlue, Derek leads digital forensics and incident response teams in North America, where he handles cyber incidents of all complexities, including business email compromise, ransomware, insider threats, and other active intrusions. He manages a team responsible for evaluating an organization’s incident response preparedness and developing plans and procedures to test their response operations to ultimately elevate their cybersecurity resilience. His teams work in close alignment with corporate counsel, outside breach counsel, and in accordance with cyber insurance policies. Derek contributes to LevelBlue’s growth and development with strategic planning, thought leadership, speaking engagements, and process improvements, and supports recruitment, mentorship, and development of cybersecurity talent in North America.

Prior to this, Derek served as Senior Incident Responder at Cybereason before it was acquired by LevelBlue in November 2025.

Before this, Derek was an Associate Managing Director at Kroll, a financial and risk advisory firm, as part of their Cyber and Data Resilience team where he focused on digital forensics and incident response. Derek was responsible for leading incident response teams who supported clients during many cyber engagements, including forensic investigations, ransomware, insider threat, and other cyber intrusions.

Earlier in his career, Derek was a Special Agent in the FBI from 2006-2019, where ran investigations relating to cybercrime, involving both domestic and international threat actors. During his time in the FBI, Derek worked extensively with local, state, federal and international law enforcement partners, and investigated both healthcare fraud and white collar crime. He also served as a member of the FBI’s evidence response team for 10 years.

Derek received his Bachelor of Science from Penn State University in Business, with Information Systems Technology option. He holds many certifications including GIAC Certified Forensic Examiner (GCFE), A+ and Net+, and GIAC Security Essentials Certification (GSEC).