Dr. Joseph Greenfield, Ph.D.
I am the Vice President and Chief Forensic Examiner with Maryman & Associates, with over 15 years of investigative experience, including cyber breach investigations, employee misconduct, and email recovery and analysis. My specialty in deep technical forensic analysis, and am known to be able to relate technical knowledge to non-technical decision makers, including judges and juries. I have worked over 1000 cases and analyzed over 2000 pieces of digital evidence. I have provided expert witness testimony in state, federal, and international legal matters.
I am also an Associate Professor of Information Technology Practice at the Viterbi School of Engineering at the University of Southern California. I authored the undergraduate programs in cybersecurity and digital forensics. I have taught thousands of students and have won awards for teaching excellence.
- Artificial Intelligence
- Cell Phones
- Computer Security
- Computers
- Cybersecurity
- Electronic Discovery
- Electronics
- Information Technology
- Internet
- Networking
- Technology
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: Ph.D. Computer Science, University of Rhode Island. My research topic focused on parallel digital forensic processing during forensic imaging.
M.S. Computer Science, University of Southern California
B.S. Computer Engineering & Computer Science, University of Southern California - Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: Cyber Fraud Task Force (CFTF)
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: I have 18 years of teaching experience at the University of Southern California. My current position is Associate Professor of Practice. I authored the following undergraduate programs:
Minor in Cybersecurity (https://itp.usc.edu/academics/cybersecurity/)
Minor in Digital Forensics (https://itp.usc.edu/academics/digital-forensics/)
I co-authored the undergraduate interdisciplinary bachelor's degree program in Intelligence and Cyber Operations (https://dornsife.usc.edu/poir/intelligence-and-cyber-operations-b-a/)
I created and developed the following courses:
ITP 125 - From Hackers to CEOs, an Introduction to Information Security
ITP 375 - Digital Forensics and Cybersecurity Investigations
ITP 475 - Advanced Digital Forensics and Incident Response
I have previously taught the following courses:
ITP 109 - Introduction to Java Programming
ITP 325 - Ethical Hacking
ITP 370 - Information Security Management
ITP 425 - Web Application Security
ITP 457 - Network Security
Over my teaching career, I have taught thousands of students who have proceeded to careers at some of the largest consulting companies for incident response and digital forensic investigations. - Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: On how many occasions have you been retained as an expert?
- A: 20
- Q: For what area(s) of expertise have you been retained as an expert?
- A: Digital Forensics, Digital Evidence, Computer Forensics
- Q: In what percentage of your cases were you retained by the plaintiff?
- A: 50
- Q: In what percentage of your cases were you retained by the defendant?
- A: 50
- Q: On how many occasions have you had your deposition taken?
- A: 3
- Q: When was the last time you had your deposition taken?
- A: March 2023
- Q: On how many occasions have you been qualified by a court to give expert testimony?
- A: 5
- Q: On how many occasions have you testified as an expert in court or before an arbitrator?
- A: 5
- Q: For how many years have you worked with the legal industry as an expert?
- A: 16
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Digital forensics investigation
Digital forensic examination and Analysis
Expert testimony for digital forensics and digital evidence
Social media investigation
Cyber investigations
Deep and Dark web search and investigation
Employee investigations
Intellectual property theft investigations
Cyber breach investigations
Ransomware investigations
Post-breach litigation defense
Class-action litigation support
Special projects support
Available Upon Request