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Mission-Critical Technology Sustainment, Cyber Resilience, and Applied Innovation.

Onyx Spectrum Technology sustains mission-critical legacy systems, secures today’s digital and operational environments, and advances future-ready solutions for defense, transportation, critical infrastructure, government, and commercial partners. We combine deep engineering expertise, cybersecurity, risk and compliance leadership, lifecycle sustainment, and applied innovation to help customers protect essential operations, modernize with confidence, and extend the value of technologies that are too important fail.

Business Units

Mission Systems Sustainment

Deep expertise in sustainment, repair, reengineering, and modernizing mission-critical legacy hardware, software, electro-optical systems, communications platforms, test systems, and end-of-life technologies.

  • Legacy hardware and software sustainment.

  • Electro-optical systems support.

  • Test systems, repair and support.

  • End-of-life product support.

  • IP, inventory, documentation, and SME transition.

  • Parts, repair, training, and lifecycle support.

  • TDM-to-IP and modernization support.

Cyber Resilience & Compliance

Our expertise helps organizations govern cyber risk, achieve compliance, protect regulated systems, prepare for cyber incidents, and build resilient operations.

  • Cybersecurity Governance Risk & Compliance (GRC)

  • PCI DSS compliance

  • CMMC and NIST SP 800-171 readiness

  • vCISO and executive cyber advisory

  • Incident response planning

  • Ransomware preparedness

  • Cyber Range Tabletop exercises

  • Vulnerability assessment

  • Cybersecurity awareness training

Infrastructure Modernization & Secure Operations

Decades of successfully delivering support for modernization of operational environments where legacy communications, payment systems, infrastructure technology, cybersecurity, and lifecycle sustainment overlap.

  • Transit and transportation technology sustainment.

  • Secure communications infrastructure support.

  • Automated fare collection and payment environment support.

  • PCI assessments for payment ecosystems.

  • Utility and industrial system support Legacy-to-modern infrastructure transition planning.

  • Secure operations consulting Long-term sustainment roadmaps.

Applied R&D and Prototyping

Demonstrated capabilities in the development, prototyping of advanced technical solutions that solve real-world sustainment, security, supply-chain, optical, electronic, and infrastructure challenges.

  • SBIR/STTR development and execution.

  • Counterfeit electronics detection 

  • Radiometric calibration technologies

  • Optical and electro-optical innovation.

  • Prototype engineering [bullet] Technology transition planning

  • Advanced test and measurement concepts.

AI Governance & Emerging Technology Risk

Our experts help organizations adopt AI and emerging technologies responsibly, securely, and in alignment with governance, data protection, regulatory, and operational-risk expectations.

  • Responsible AI policy development

  • AI risk assessments

  • AI governance framework development.

  • Model security reviews

  • Data governance and access-control reviews.

  • AI vendor and third-party risk reviews.

  • AI use-case inventory and risk tiering

  • Emerging technology risk advisory

Notices / Press / Articles

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Articles & White Papers

Maintaining Classic Legacy Systems. Publication: COTS Journal, pg 22

Articles & White Papers

Do legacy technologies still have a place in today’s critical infrastructure world?” Publication: Utilities Technology Council (UTC) Q3 Journal.

Articles & White Papers

CISOs Move to Embed Governance and Identity Controls Into AI Agents as Autonomy Expands. Publication: The Security Digest

End-of-Life Notices

TelTone End-of-Life (EOL) Notice

Customer Notices

Electro Optical Industries (EOI) Legacy Product Support

Press Releases

Onyx Spectrum Technology and Sonus Partner to Address Demand for Popular Government Real-Time Communications Solutions. Partnership Addresses the Continued Demand for Support Solutions on the Sonus Promina and NX 1000 Product Lines.

Press Releases

Onyx Spectrum Technology announced as a winner of the 2020 Inner City 100 (ICIC100) award. This award recognizes the 100 fastest-growing firms in under-resourced communities across America by the ICIC & Forbes.

Press Releases

Onyx Spectrum Technology is pleased to announce it is one of 30 small businesses that have been awarded a competitive research project from the US Department of Homeland Security.

Press Releases

Onyx Spectrum Technology Acquires Teltone Product Line.

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