Computer Security Expert Witnesses

Cybersecurity and Cyberbreaches

From electronic medical devices and health records to safety-critical automotive electronics and mission-critical cloud-hosted business applications and distributed databases, the stakes have never been higher for network/data security and privacy.

At Barr Group we have been in the business of designing secure computers since our founding and our staff includes world-leading cybersecurity experts and trainers. Our areas of expertise include:

• Symmetric and asymmetric (public key) encryption and decryption
• Elliptic curve cryptography (ECC)
• Digital rights management (DRM) for software activation, e-books, etc.
• Privacy and cybersecurity of electronic voting systems (e-voting)
• Encryption and decryption algorithms such as DES, RSA, and AES
• User authentication and digital signatures
• Zero-knowledge tests and secure hashes (e.g., MD5)
• Firewalls and secure network protocols (TLS/SSL, SSH/SFTP, WAP/WEP)
• Biometric security, including fingerprints, retina scans, and facial recognition
• Computer viruses and other malware such as trojans and ransomware
• Distributed Denial of Service (DDoS) and other attacks
• Trusted computing modules like TPM and secure bootloaders

Barr Group's cybersecurity experts are familiar with all major operating systems--such as Linux/Android, iOS, and Windows--and programming languages, including Java, JavaScript, C/C++, C#, Objective-C, Python, Perl, PHP, and assembly.

Request your computer security expert now >

Expert Witness Services

Barr Group's computer security experts support plaintiffs and defendants in litigation in U.S. District Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB). Our services include:

• Technical assistance with drafting of discovery requests
• Software source code review and analysis
• Source code comparisons for copyright and trade secret theft
• Prior art review for patent invalidity
• Reverse engineering of electronics and schematics review
• Forensic analysis of malware, including binary code disassembly
• Extraction of system logs and electronically-stored metadata
• Investigation of cyber attacks and data breaches
• Security audits and penetration testing
• Expert reports, declarations, and witness statements
• Testimony at deposition, oral hearings, and trials

Our experience with computer security litigation is extensive and includes electronics and source code analysis and testimony for a large number of cases in numerous U.S. District Courts and the Superior Court of Québec, including in relation to satellite TV hacking and signal interception.

Barr Group has a demonstrated ability to quickly activate one or more engineers to match the size, scope, and complexity of any project.

How can we help you today? >

Further Reading

• Cybersecurity and Embedded Systems
• The State of Software Design for Safety and Security
• Security and the IoT
• To Err Is Human, To Err at Scale Is AI

The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

Who are Barr Group's Computer Security expert witnesses?

Barr Group's Computer Security expert witness roster holds 91 anonymized, prequalified profiles; a selection follows, and matched recommendations from the full roster are free to the attorney.

• Embedded Software Design Expert Witness. Barr Group's embedded software expert witness has more than twenty-five years of software industry experience and has testified more than twenty times before judges and juries in U.S. and Canadian courts.
• Secure Computer Systems Expert Witness. Barr Group's embedded electronics and software expert witness has extensive product development and computer security experience and has testified in automotive product liability, software forensics, and source code intellectual property cases.
• Source Code Analysis and Distributed Systems Expert Witness. Barr Group's Erlang-based concurrent systems expert witness has 35+ years of source code analysis, distributed systems architecture, and enterprise software experience, and has served as both consulting and testifying expert in patent infringement and software quality disputes.
• Software Intellectual Property and Reverse Engineering Expert Witness. Barr Group's source code analysis and reverse engineering expert witness has over 15 years of experience in software comparison and plagiarism detection for litigation and has testified in patent, trade secret, and copyright disputes.
• Powerline Communications and Network Protocol Expert Witness. Barr Group's network protocol and powerline communications expert witness has over three decades of experience in protocol design and cryptographic security, holds 17 patents, and has testified in patent infringement matters.
• Source Code Forensic Analysis Expert Witness. Barr Group's software forensics expert witness has over 25 years of programming experience, a decade of courtroom testimony, and has served as consulting or testifying expert in 20+ patent and copyright infringement matters involving source code analysis and reverse engineering.
• Source Code Analysis and Software IP Expert Witness. Barr Group's source code analysis and trade secret expert witness has 40+ years of experience in software development, genomics, telecommunications, and design automation, and has testified in more than 60 litigations.
• Electronic Health Record (EHR) Safety and Clinical Informatics Expert Witness. Barr Group's electronic health record safety expert witness has more than 35 years of experience in clinical informatics, clinical decision support, and health IT patient safety, and regularly presents to defense counsel and medical liability insurers on EHR audit logs and health IT evidence.
• Penetration Testing Security Expert Witness. Barr Group's embedded security expert witness specializes in penetration testing, reverse engineering with tools such as IDA Pro, FPGA design in VHDL, and real-time firmware in C and assembly, and holds a security clearance.
• Short-Range Wireless Protocols Expert Witness. Barr Group's infrared and Bluetooth data communications expert witness helped establish and standardize line-of-sight communication protocols between handheld mobile devices and has guided system and application software development for mobile devices running proprietary operating systems.