David Cowen is a Certified SANS Instructor and a Partner at G-C Partners, LLC, where his team of expert digital forensics investigators pushes the boundaries of what is possible on a daily basis. He has been working in digital forensics and incident response since 1999 and has performed investigations covering thousands of systems in the public and private sector. Those investigations have involved everything from revealing insider threats to serving as an expert witness in civil litigation and providing the evidence to put cyber criminals behind bars. 

David has authored three series of books on digital forensics; Hacking Exposed Computer Forensics (1st-3rd editions), Infosec Pro Guide to Computer Forensics, and the Anti Hacker Toolkit (Third Edition). His research into file system journaling forensics has created a new area of analysis that is changing the industry. Combined with Triforce products, David's research enables examiners to go back in time to find previously unknown artifacts and system interactions.

David speaks about digital forensics and file system journaling forensics at DFIR and Infosec conferences across the United States. He has taught digital forensics both as a SANS instructor and as a graduate instructor at Southern Methodist University.

David is a Certified Information Systems Security Professional (CISSP) and a GIAC Certified Forensic Examiner. He is the winner of the first SANS DFIR NetWars and a SANS Lethal Forensicator whose passion for digital forensics can be seen in everything he does. He started in 1996 as a penetration tester and has kept up his information security knowledge by acting as the Red Team captain for the National Collegiate Cyber Defense Competition for the last nine years.

David is the host of the Forensic Lunch, a popular DFIR podcast and live YouTube show, and the author of the award winning Hacking Exposed Computer Forensics Blog. The blog (www.hecfblog.com) contains some 448 articles on digital forensics. David is a two-time Forensic 4cast award winner for both Digital Forensic Article of the Year and Digital Forensic Blog of the year. The Forensic 4cast award winners are nominated by their peers and voted on by the greater DFIR community.

When David is not researching, writing, testifying, or teaching about digital forensics he spends time with his family and working on mastering Texas BBQ.