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.

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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.

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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: