David Sigmundson



Associate Managing Director

David Sigmundson is an Associate Managing Director in the Cyber Risk business, based in Toronto. In addition, Dave serves as a Project Lead in Kroll’s eDiscovery service line and is one of the Heads of Cyber Risk’s Cryptographic Asset Services team. Dave has over 8 years of experience in assisting some of the world’s largest organizations with complex investigations, disputes and cybersecurity incidents.

Dave has led and contributed to matters relating to data breaches, insider threats, malware analysis, intellectual property theft, blockchain investigations and highly specialized investigations relating to computer systems. He also helps organizations secure their usage and handling of cryptographic assets.

Dave began his career in 2016 at Duff & Phelps (now Kroll) as part of the Global eDiscovery, Digital Forensics and Information Security practice. This group became a pillar of the Kroll Cyber Risk team upon Kroll’s acquisition in 2018.

With Kroll, Dave’s work with the Cyber Risk and eDiscovery practice has underpinned disputes in numerous highly public matters. He has supported matters in which damages exceeding $1billion CAD were sought. Dave has also spent significant time developing methodology and tooling to support organizations trying to fulfill breach-notification obligations. With Kroll, Dave has assisted hundreds of organizations identify at-risk data, manage structured and unstructured datasets, and notify impacted individuals.

Dave holds a Bachelor of Applied Information Sciences in Information Systems Security from Sheridan College.

Cyber Risk

Incident response, digital forensics, breach notification, managed detection services, penetration testing, cyber assessments and advisory.

Global eDiscovery Services

Award winning, Forrester-recognized eDiscovery specialist trusted by clients year after year with experienced professionals who provide support throughout the entire eDiscovery lifecycle.

Incident Response and Litigation Support

Kroll’s elite security leaders deliver rapid responses for over 3,000 incidents per year and have the resources and expertise to support the entire incident lifecycle.

24x7 Incident Response

Kroll is the largest global IR provider with experienced responders who can handle the entire security incident lifecycle.

End-to-End Litigation Support Services

Experienced investigators deliver case-changing insights to support the entire litigation lifecycle.

Cyber Litigation Support

Whether responding to an investigatory matter, forensic discovery demand, or information security incident, Kroll’s forensic engineers have extensive experience providing litigation support and global eDiscovery services to help clients win cases and mitigate losses.