Without a metamodel, the semantics of domain models can be ambiguous. Sacm combines gsn, cae and other formats into a formal model. Principles for software assurance assessment in some cases, customer risk management requirements for software assurance assessment may require evidence to support a suppliers claims some may require more insight not only into the software assurance process itself, but also into how it. Software assurance evidence metamodel final submission. D4 1 baseline for the common certification language final 1. Towards a modelbased evolutionary chain of evidence for compliance with safety standards. Proceedings of the open group conference and member. Pdf standardsbased metamodel for the management of. Software assurance ecosystem argumentation metamodel arm. Measures and measurement for secure software development cisa. It also provides the assurance argument, together with the corresponding evidence to answer the question. The phrase mobile device often applies to mobile phones.
Intensive systems with reusable components sbvr business vocabulary and business rules scmt software configuration management plan. Preprint submitted to journal of systems and software. Defines a common interchange format to facilitate the exchange of information between different software. Structuring and potentially formalising assurance case.
Mobile device forensics is considered a new field compared to other digital forensics such as computer and database forensics. Department of homeland security dhs and other employers of swa per sonnel with a means to assess the swa capabilities of current and potential employees. Introduction sacm structured assurance case metamodel. Microsoft office apps spend length of engagement days. Structured assurance case metamodel sacm adopted june 2010. Structuring notation gsn 18 or claimsargumentsevidence cae 4. Sacm is composed of arm and the other specification called seam software assurance evidence metamodel. An analysis of safety evidence management with the structured. Sacm structured assurance case metamodel combines previous omg specifications arm argument metamodel saem software assurance evidence metamodel arm led by adelard and university of york harmonises common elements from gsn and cae a structured argument comprises a graph of assertions claims, ultimately supported by evidence.
It consists of an argumentation metamodel and an evidence metamodel for justifying that a system satisfies certain requirements. A metamodel for mobile forensics investigation domain. An analysis of safety evidence management with the. Such augmentations are typically referred to as security cases. Kdm was designed as the omgs foundation for software. Assurance case level packaging assurance case element level abstract contents saem interface structured argument level argument components types of argument components reference to argument elements types of links interpretation of associations. Assurance cases are used to demonstrate confidence in system properties of interest e. According to authors in, mobile forensics mf is a branch of digital forensics relating to the recovery of digital evidence from a mobile device under forensically sound conditions. A 2007 study by the national academy of sciences provides strong motivation to explore the use of dependability cases as a means to address verification, and ultimately, certification, of highly complex systems. Kestrel technology, llc, is developing a prototype extensible workbench to develop, maintain, and analyze safety cases a specialized form of. Evaluate the strength and sufficiency of the assurance case. Establish a system assurance common framework known as the software assurance swa ecosystem, provide expertise and augmentation to other assurance standards and practices such as common criteria isoiec 15408 and system assurance isoiec. Software assurance evidence metamodel final submission nikolai mansourov kdm analytics. Toulmin 1958, the uses of argument called the toulmin model.
By the way about england the theoretical foundation of gsn is the argumentation theory by stephen e. An evidencebased approach to software system assurance can be made. Principles for software assurance assessment in some cases, customer risk management requirements for software assurance assessment may require evidence to support a suppliers claims some may require more insight not only into the software assurance process itself, but also into how it was applied to the product. The structured assurance case metamodel sacm is standardised by the object management group omg. Leveraging what we already have through swa ecosystem the software assurance ecosystem enables industry and government agencies to leverage and connect. Sacm is composed of arm and the other specification called seamsoftware assurance evidence metamodel.
Every licence covered under software assurance may be upgraded to the newest software version. Exhibit element in the evidence metamodel is a representative of this physical thing within the evidence. Structured assurance evidence metamodel description. Specify assurance case enable supplier to make bounded assurance claims about safety, security andor dependability of systems, product or services 2. Sacm structured assurance case metamodel is a standard for assurance case specification and exchange. For information regarding using update sites to install software in eclipse, see. However, the task of constructing assurance cases remains a manual, trivial and informal process.
Dec 02, 2014 sacm is composed of arm and the other specification called seam software assurance evidence metamodel. Software developed only partially matching the applicable compliance points may claim only that the. Eclipsebased, open source tools for safety, assurance, or dependability cases. As a practical resource for security analysts and engineers tasked with system assurance, the book teaches you how to use the object management group s omg expertise and unique standards to obtain accurate knowledge about your existing software and compose. With its proven certification methodology and conformance testing expertise, the open group. Beyond detecting vulnerabilities addresses these critical issues. A structured argument specification that includes a software assurance evidence metamodel and an argumentation metamodel relating claims, evidence, and arguments. A white paper on software assurance revised document nov. Proceedings of the open group conference and member meetings. As its name implies, this concept applies the notions of metaand modeling.
Also work by bae systems on safety evidence assurance levels. Sacm structured assurance case metamodel saem software assurance evidence metamodel safe safe automotive software architecture safecer safety certification of software. Subject to all of the terms and conditions below, the owners of the in this specification hereby grant you a fully paid up, nonexclusive, nontransferable, perpetual, worldwide license without the right to sublicense, to use this. Sacm structured assurance case metamodel saem software assurance evidence metamodel safe safe automotive software architecture safecer safety certification of software intensive systems with reusable components sbvr business vocabulary and business rules scmt software configuration management plan sdp software development plan. For assurance of safetycritical systems, sacm can be used to manage safety evidence and to specify safety cases. The structured assurance case metamodel sacm is a standard. Note that the full certware workbench includes two licenses that the installer presents for acknowledgment. Obtain evidence for assurance case perform software assurance assessment to justify claims of meeting a set of. An assurance solution is a policy, practice, or technology that contributes to system assurance i. The intention of the metamodel is to promote a modelbased approach in the process of system assurance, which is currently a manual approach that produces artefacts i. The structured assurance case metamodel sacm is a standard specified by the object. A number of system assurance approaches are adopted by industries in the safetycritical domain. Jun 01, 2010 this framework and metamodel will provide a machinereadable repository for assurance case artifacts, such as, claims, arguments, and evidence, and enable software development and testing tools to exchange and share information across the software lifecycle in support of software assurance. This framework and metamodel will provide a machinereadable repository for assurance case artifacts, such as, claims, arguments, and evidence, and enable.
Payments for licence and software assurance can be spread into equal annual payments. Pdf safety critical system development includes a wide set of techniques, methods and tools for assuring system safety. Case study illustrating the steps of the system assurance methodology using automated tools. Omg argumentation metamodel omg software assurance evidence metamodel omg. Pdf software assurance using structured assurance case models. One such effort has resulted in the development of a software assurance evidence metamodel saem. Knowledge discovery metamodel kdm is a publicly available specification from the object management group omg. It architecture include the systems assurance evidence metamodel saem, the pattern recognition metamodel, and the structured metrics metamodel smm. Assurance cases and the structured assurance case metamodel structured argumentation is also used in other domains, particularly for demonstrating system security 5. Thus metamodeling or metamodeling is the analysis, construction and development of the frames, rules, constraints, models and theories applicable and useful for modeling a predefined class of problems. The similarities between safety and security cases have been highlighted in 22. Assurance case research software engineering center. The ucla agreement refers only to the bayesian reasoning engine software that is provided for research and education noncommercial use. Assurance cases that are mostly not modelbased, where higher level.
Pdf standardsbased metamodel for the management of goals. The published specification defines terms and characterizes software assurance evidence that can be used for judging whether a particular software system fulfills a given set of requirements. In software engineering, the use of models is an alternative to more common codebased development techniques. Measures and measurement for secure software development. One of the currently most active branch of model driven engineering is the approach named modeldriven architecture proposed by omg.
Software assurance evidence metamodel saem argumentation metamodel arm the swa ecosystem is architected with a focus on providing fundamental improvements in analysis 12. Exhibit element represents a physical thing presented as evidence because it is believed to confer evidential support to some claims. Software assurance is defined as t he level of confidence that software is free from vulnerabilities, either intentionally designed into the software or accidentally inserted at any time during its life cycle, and that the software functions in an intended manner the objective of nasa software assurance and software safety is to ensure that the processes. Establishing confidence in safety assessment evidence core. Ptf formerly the software assurance special interest group is using the structured assurance case model to develop a specification for a software assurance framework and metamodel.
Apr 26, 2017 thus, a metamodel is a special kind of a model. The elements in this sub clause are defined as abstract classes and subsequent sub clauses elaborate the detail, while this sub clause provides a convenient outline of. Software assurance using structured assurance case models ncbi. Includes an overview of omg software assurance ecosystem protocols that integrate risk, architecture and code analysis guided by the assurance argument. Software assurance is defined as t he level of confidence that software is free from vulnerabilities, either intentionally designed into the software or accidentally inserted at any time during its life cycle, and that the software functions in an intended manner. Assurance cases, safety cases, metrics, safety management, safety process, safety toolset, formal methods.
Beyond detecting vulnerabilities goes beyond providing knowledge of vulnerabilities to include knowledge of the system, risks and threats, and security safeguards. These standards will be explained in more detail throughout the remaining sections of this chapter. Omg international standards for assurance cases iet. Argumentation metamodel arm software assurance evidence metamodel saem the are also omg products. This framework and metamodel will provide a machinereadable. Coupled with work on software safety evidence selection. In the software assurance context, evidence is often collected by tools.
Software assurance and information security measurement mil std 882d. The software assurance swa competency model was developed to support the following uses. Probabilistic reasoning provides support for uncertain evidence and. A metamodel or surrogate model is a model of a model, and metamodeling is the process of generating such metamodels. The open group is an international vendor and technologyneutral consortium that is committed to delivering greater business efficiency by bringing together buyers and suppliers of information technology to lower the time, cost and risk associated with integrating new technology across the enterprise. Kdm is a common intermediate representation for existing software systems and their operating environments, that defines common metadata required for deep semantic integration of application lifecycle management tools. This framework and metamodel will provide a machinereadable repository for assurance case artifacts, such as, claims, arguments, and evidence, and enable software development and testing tools to exchange and share information across the software lifecycle in support of software assurance. Model based system assurance using the structured assurance. Pdf software assurance is an important part of the software development. It identifies domain features and related concepts like any other model but is created with the intent to formally describe the semantics underpinning a formal modelling language. Establish a system assurance common framework known as the software assurance swa ecosystem, provide expertise and augmentation to other assurance standards and practices such as common criteria isoiec 15408 and system assurance isoiec 15026, as they relate to omg specifications and products. It consists of an argumentation metamodel and an evidence metamodel for justifying that a. Sacm structured assurance case metamodel saem software assurance evidence metamodel safe safe automotive software architecture safecer safety certification of softwareintensive systems with reusable components sbvr business vocabulary and business rules scmt software configuration management plan sdp software development plan.
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