Sean Lanterman
Principal
Sean Lanterman is a digital forensics expert and licensed attorney who bridges the gap between complex technical evidence and legal strategy. With more than a decade of experience supporting litigation teams, regulatory bodies, and law enforcement agencies, Sean specializes in high-stakes matters where clarity, discretion, and defensibility are critical.
As Principal at Digital Forensic Services, Sean leads investigations involving mobile devices, cloud accounts, and network systems. He’s often brought in when cases hinge on nuanced timelines, disputed activity, or digital behaviors that require expert interpretation. Whether consulting behind the scenes or testifying in court, Sean brings composure, precision, and a deep understanding of both legal and technical standards.
Colleagues and clients value his ability to distill complex digital artifacts into clear, actionable insights. Sean’s work has helped shape case strategy, rebut opposing expert claims, and strengthen evidentiary narratives in both civil and criminal matters. He’s also a frequent speaker at legal conferences and CLE events, educating attorneys and investigators on the evolving role of digital evidence.
Sean earned his bachelor’s degree with honors from the University of St. Thomas in Minnesota and completed his law degree at the University of St. Thomas School of Law. He is certified in digital forensics through Cellebrite and continues to train through the SANS Institute. He serves on the GIAC (Global Information Assurance Certification) Advisory Board and is an active member of IACIS and InfraGard.
The Locked Phone Problem: What Law Enforcement Needs to Know
It’s a challenge law enforcement professionals face regularly: a mobile phone likely holds key evidence—but it’s locked, and no one knows the passcode. Whether the device belongs to a deceased individual, an uncooperative suspect, or a missing witness, the data sits...
Copy ≠ Complete: Why Mobile Extractions Aren’t All the Same
When lawyers request phone data in discovery, the assumption is often this: once you have a copy, you have everything. But that belief can lead to critical mistakes. In mobile forensics, how data is extracted matters just as much as whether it’s been collected at...
What Lawyers Miss About Phone Data
What Lawyers Miss About Phone Data For most of us, mobile phones are an ever-present part of daily life. They’re where we manage schedules, communicate, navigate, document, and remember. In litigation, these devices often hold vital evidence like location data,...