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Services

We provide rail and bus transportation equipment and system engineering, integration, and analysis; for wayside train control, traction power, communications, energy storage, and central control; for trains and onboard systems; for commuter, subway, light rail, high speed rail, bus, and automated people movers; and embedded controllers and secure cloud solutions.

System Safety & Cybersecurity

Safety and security are foundation requirements.  Tenco expertise delivers hands-on, practical expertise in right-sized system safety and cybersecurity programs:

  • Starting from the top, define the risks and the tools to manage them
  • For rail and bus onboard, wayside, and central systems and networks, and for utility power systems
  • Managing system safety and cybersecurity programs in complex and critical projects with tiers of designers and suppliers
  • Experts in:
    • Establishing and delivering the safety case
    • Safety-critical software development, implementation, and verification 
    • Operating Hazard Analyses, and the role of people, training and procedures in achieving safety
    • Fire Life Safety regulations and solutions
    • Regulatory requirements and compliant programs and designs
    • Cybersecurity – big picture and nuts and bolts – technology, planning, defense, and action
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More Information

For system safety, Tenco sets up cost-effective right-sized programs focusing on crucial safety exposures, and also delivering complete and clear safety case documentation, covering systems, hardware, software, operations, maintenance, and training. Fire Life Safety specialties including tunnel ventilation and CFD analysis, equipment design analysis, egress studies, and fire, smoke and flammability tests.  Tenco works with standards including US MIL-STD-882, NFPA-70 / National Electric Code, NFPA-130, IEEE 1012, and EN 50126.

Tenco’s safety engineers are focused on attaining safety certification through comprehensive and systemic approaches that fully address hazards and risks.

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Cybersecurity

Critical infrastructure faces a growing threat landscape from increasingly well-resourced threat actors. Tenco’s approach, built on proven frameworks such as NIST, MITRE, and OWASP, leverages practical, concrete steps and strategies to identify, manage, and control risks within today’s hybrid environments of legacy and contemporary systems. Tenco cybersecurity services meet the pressing needs of transportation systems and their supporting infrastructures:

  • Threat and Vulnerability Assessments (TVAs) – Identify weaknesses across vehicle, infrastructure, and supporting systems, and recommend appropriate mitigations.
  • Penetration Testing – Simulate attacks to validate system defenses and identify exploitable gaps.
  • Governance, Risk, and Compliance Advisory – Establish governance processes, map controls to policy and regulatory requirements, and develop risk management strategies.
  • Contract Requirement Gap Analysis – Assess and advise on compliance throughout the contract lifecycle.
  • Security Architecture and Design Consultation – Provide expert input during system development to improve resilience, reduce rework costs, and ensure secure IT-OT integration.
  • Program Management – Oversee cybersecurity initiatives to ensure integration and timely execution across systems and stakeholders.
  • Audit Preparation – Prepare documentation and evidence for independent oversight reviews.

SBOM (Software Bill of Materials)

Modern transit systems and their supporting infrastructures rely on tightly integrated software and networked components to keep communications, operations, and safety functions secure and reliable. A Software Bill of Materials (SBOM) provides structured visibility into the software that powers these systems – tracking components, identifying third-party and open-source dependencies, and supporting vulnerability and update management over time. 

For fleet operators and system integrators alike, SBOMs are key to comprehensive risk management, providing crucial insight into software supply chains. Using a SBOM reduces the likelihood of security incidents and drives faster, more effective responses when an issue occurs. It also maintains operational continuity and supports compliance with growing contractual and regulatory demands. These capabilities are essential to sustaining a proactive cybersecurity posture as systems evolve and vendors change.

Core benefits of SBOMs:

  • Reduces costs and delays caused by fragmented software and patch management.
  • Shortens the vulnerability exposure window.
  • Prevents unplanned downtime and related operational risk.
  • Closes gaps in visibility across often overlooked or undocumented software systems.

Please contact us to explore how Tenco can support your project.