Cybersecurity Experts

Barr Group's experienced computer security expert witnesses review patent portfolios and advise attorneys in cyberbreach and IP litigation.  Many Barr Group engineers have hands-on experience designing secure computing platforms. And our cybersecurity expert team includes several who have testified in high-profile civil and criminal trials.

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

Computer Security
Full Title: 
Experts in Computer Security

Cellular Wireless Air Interface Expert Profile

Professor of electrical engineering and computer science with decades of R&D experience in communications networks and wireless signal detection and estimation.

Deep Learning & A.I. Systems Expert Profile

Former professor of software engineering with over 25 years of hands-on experience in speech recognition, artificial intelligence / machine learning, computer vision, data centers, and blockchain.

Drone & UAV Navigation Expert Profile

USAF Academy researcher in image processing and GPS-denied navigation with decades of experience in control systems design and DSP algorithms for applications including drone unmanned aerial vehicles (UAVs). 

Distributed Sensor Networks Expert Profile

Professor of computer science with specialized expertise in network quality of service, routing, and visualization as well as remote sensing.

Electronic Voting Machine Expert Profile

Distinguished professor of computer science with expertise in electronic voting, artificial intelligence, digital libraries, and electronic payment and e-commerce systems.

Flash Memories & Filesystems Expert Profile

Computer software and hardware design consultant with over three decades of extensive experience with storage technologies, including Flash memory and magnetic and optical media.

Digital Signature & Document Expert Profile

Former professor of computer science who taught courses in operating system and compiler design and also worked decades in industry.

Connected Vehicle Telematics Expert Profile

A leader in the field of connected vehicle technologies with three decades of focus on accessing and processing data from vehicle sensors.

Linux-Based Computer Systems Expert Profile

Former professor of computer science and independent engineering consultant and trainer with specialized technical knowledge in the internal structure of the Linux operating system.

Space and Satellite Systems Expert Profile

Adjunct professor of computer science and independent consultant with decades of experience in the field of telecommunications and information security. Has specialized technical expertise in GPS, VPNs, digital and analog electronics including RF signals and antennas, data communications and networks including fiber-optics, cellular protocols, and communication satellites.

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Expert W425N

A leader in the field of connected vehicle technologies with three decades of focus on accessing...

Expert J523N

Security consultant and adjunct professor who has developed novel and patented security...

Expert M500N

Professor of electrical engineering and computer science with decades of R&D experience in...

Expert S530O

Electrical engineer with extensive electronics and software product development experience...

Expert E235M

Consultant and former computer science instructor who has written more than two dozen books and...

Expert N120K

Electrical engineer and computer scientist with extensive technical skills in both digital...

Expert B600R

Former adjunct professor of computer engineering with more than twenty-five years of experience...

Expert T512N

MIT-educated computer scientist experienced in analyzing, architecting, designing, developing...

Expert S632L

Professor of computer science with specialized expertise in network quality of service, routing...

Expert K155N

Former professor of computer science who taught courses in operating system and compiler design...

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Don't see the right expert for your project among this subset?

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Case Study: Satellite TV Piracy

In its legal fight against signal pirates, DirecTV retained a team of Barr Group's to engage in thorough electronic circuit reverse engineering and device testing of over one hundred suspected piracy products. Barr Group experts testified that the majority of the accused products were designed for use in satellite TV piracy in several dozen cases that went to trial.

Read what judges and juries decided >