ARCHx

Meeting Functional Safety (IEC 61508, ISO 26262) & Cybersecurity Standards (IEC 62443)

Finding and Mitigating Design Issues

exSILentia Cyber

Is your computer system architecture well designed and documented?

Does your design meet functional safety and cybersecurity standards?

ARCHx provides the engineering tool needed for effective, integrated design analysis.

Design Analysis

ARCHx allows designers and independent evaluators to analyze high level computer system design architectures for safety and availability along with potential cyber vulnerabilities. The system may be comprised of any combination of software and hardware (including the content of FPGAs and custom ICs).

Compared to conventional FMEA and HAZOP tools, ARCHx provides an improved alternative for architecture design that captures more information in a more structured easy to use common data format that facilitates multiple analysis methods.

ARCHx provides potential benefits not only when used during the initial architecture design when basic design decisions are being made but also for existing designs.  ARCHx also allows the user to document strengths, discover potential weaknesses, and document incremental improvements needed for systems, especially those being considered for safety or cybersecurity certification. 

Features:  The ARCHx tool

  • Provides an easy to use framework to document the various subsystems that make up the system by decomposition of the functionality and the data flow that connects various subsystems.
  • Allows the analyst to determine and document possible deviations from expected operation due to either hardware faults, software faults or cybersecurity intrusion.
  • Allows the analyst to determine the impact of the deviations and potential mitigation measures to prevent or control the occurrence of such deviations or prevent further propagation of such deviations to other or more critical subsystems.
  • Allows the analyst to evaluate and rank the value of potential mitigation measures and then choose the most effective measures in a way to allow potential automatic generation of derived functional requirements and integration test plan objectives to verify mitigation effectiveness.
  • Documents all diagnostics selected for fault control measures and will automatically generate Functional Failure Mode tables for the FMEDAx tool.
  • Captures Action Items for any tasks that cannot be done at the time of the architecture analysis process so that they can be tracked to completion and not forgotten.
  • Provide reuse of information without need for manual data re-entry.
  • Allows experts to build in additional knowledge to provide context specific design assistance to help new designers to create and evaluate good designs at the architecture level with improved documentation and traceability with less effort.
  • Provides context sensitive generic assistance based on user’s current location in the tool for help on use of the tool.
  • Provides content sensitive expert assistance based on the content of the design and the exida expert knowledge captured in the Knowledge Library.
  • Provides the potential for semiautomatic review of the information captured for completeness compared to a configurable preset set of goals for the analysis which is useful to the team performing the analysis and potential independent auditors for the project.

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ARCHx allows users to document strengths, discover potential weaknesses, and document incremental improvements needed for systems , especially those being considered for safety or cybersecurity certification.

ARCHx Training Courses

exida has developed courses that will familiarize users with all facets of the ARCHx tool to ensure optimum usage for your next project.

CS 248 - Cybersecurity Threat Analysis with ARCHx

An essential task that is part of cybersecurity development process is the Threat Analysis. The result of this work is used to define necessary defense mechanisms in an embedded device design. This course explains how to use the ARCHx tool to perform an embedded device or system threat analysis by providing a detailed knowledge base of threats, actors, and defense mitigation techniques. This course also explains how to show compliance to IEC 62443 cybersecurity certification requirements.

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FSE 248 - FMEA/HAZOP with ARCHx

It is well known that a product development schedule and cost will be reduced if problems are found early in the development process. Techniques such as Failure Modes and Effects Analysis (FMEA) and Hazard and Operation Study (HAZOP) have been developed over several decades to achieve this goal. The ARCHx tool from exida facilitates the FMEA/HAZOP process with the addition of expert guidance on functional safety and cybersecurity certification compliance. This course explains how to take advantage of the ARCHx tool to perform high quality FMEA and HAZOP analysis. This course also explains how to use the ARCHx tool to show compliance to certification requirements.

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FSE 249 - FPGA FMEA with ARCHx

It is well known that a product development schedule and cost will be reduced if problems are found early in the development process. Techniques such as Failure Modes and Effects Analysis (FMEA) are commonly used to achieve this goal. However, the use of FMEA on a Field Programmable Gate Array (FPGA) is not common and can be confusing. The ARCHx tool from exida facilitates the FMEA process for FPGA devices by providing a detailed knowledge base with FPGA failure modes and mitigation techniques. This course explains how to take advantage of the ARCHx tool to perform high quality FMEA analysis on FPGA devices. This course also explains how to use the ARCHx tool to show FPGA compliance to functional safety and cybersecurity certification requirements.

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