Risk management guide for information technology systems. An introduction to attack patterns as a software assurance. This practical resource explains how to integrate information assurance into your enterprise. Information states however, within those systems, for any given moment, information is found in one or more of the three states. They add a plethora of new threats daily to the cyberecosystem. A hybrid threat modeling method march 2018 technical note nancy r. He is currently employed as a senior incident response consultant with a large technology company, focusing on incident detection, response, and threat intelligence integration. The purpose of threat modeling is to provide defenders with a systematic analysis of what controls or defenses need to be included, given the nature of the system, the probable attackers profile. Threat modeling as a basis for security requirements. The book also shows how to move from your agile models. Threatmodeler by reef dsouza, security consultant at amazon web services ubiquitous cyber attackers pose constant challenges to even the most robust security fortifications. This chapter discusses the possible growth of black markets bms for software vulnerabilities and factors affecting their spread. Merkow jim breithaupt 800 east 96th street, indianapolis, indiana 46240 usa.
Experiences threat modeling at microsoft 3 2 some history threat modeling at microsoft was rst documented as a methodology in a 1999. Software and attack centric integrated threat modeling for. Threat modeling overview introduction goals of threat modeling the approach exercise learning resources threat modeling. His model provided an abstract research and pedagogic framework for the profession. Information assurance includes protection of the integrity, availability, authenticity, nonrepudiation and confidentiality of user data. Dobbs jolt award finalist since bruce schneiers secrets and lies and applied cryptography. Penetration testing investigates threats by directly attacking a system, in an informed or uninformed manner.
Publisher summary information security or information assurance needs to be viewed through the lens of business context to see the added value of basing security program on a risk model. In information assurance and security ias, 2010 sixth international conference on, pages 149154. What is a threat model a model of the a software system that depicts the system structure. Octave is a selfdirected approach, meaning that people from an organization assume responsibility. The discussion about the meaning, scope and goals, chapter pdf available september 20 with 6,771 reads. Pdf the model presented in this paper is an extension of work reported in 1991 by john mccumber. Substitution ciphers, transpositions, making good encryption algorithms, the data encryption standard, the aes encryption algorithms, public key encryptions, uses of encryption. This paper discusses twelve threat modeling methods from a variety of sources that target different parts of the development process. Adam shostack is responsible for security development lifecycle threat modeling at microsoft and is one of a handful of threat modeling experts in the world.
Dynamic modeling of the cyber security threat problem. A summary of available methods august 2018 white paper nataliya shevchenko, timothy a. Vulnerability is the intersection of three elements. Develop a cross functional technical, physical, personnel and environmental matrix team consisting of empowered management and staff who are tasked to develop and manage longterm strategic direction for the organization information assurance program incorporating.
The threats are shown in italic to make them easier to skim. Information assurance ia is the practice of assuring information and managing risks related to the use, processing, storage, and transmission of information or data and the systems and processes used for those purposes. Assurance interagency working group under the auspices of the national science and technology council, this federal plan for cyber security and information assurance research and developmentpresents a coordinated interagency framework for addressing critical gaps in current cyber security and information assurance capabilities and technologies. Your threat model becomes a plan for penetration testing. It is a reusable application component and ideally anyone can use it in their application.
Threat modeling in technologies and tricky areas 12. The mccumber model provided a concise representation of infofec discipline. Its easy to break down threat models along feature team lines, and important to have the people who own the threat model talk to each other. This suggests that a paradigm shift is overdue in computer security. Gerard is a graduate of norwich universitys master of science in information assurance program and a certified information systems security professional.
The research team subsequently developed the hybrid threat modeling method htmm, considering the desirable characteristics for a threat modeling method. This practical resource explains how to integrate information assurance into your enterprise planning in a nontechnical manner. Introduction he model presented in this paper is an extension of work reported in 1991 1. Vulnerability is a weakness which allows an attacker to reduce a systems information assurance. Book description best practices for protecting critical data and systems. Eric whyne computer security handbook will continue its tradition of being handbook the. European graduate work in information assurance and the bologna declaration. Digital forensics and incident response second edition.
Threat modeling approaches and tools for securing architectural designs of an ebanking application. Pdf information security and information assurance. Mead, forrest shull, krishnamurthy vemuru university of virginia, ole villadsen carnegie mellon university. Each individual volume offers the stateoftheart of a subfield of the information systems area, with contributions from leading experts in the field. Organizations use risk assessment, the first step in the risk management methodology, to determine the extent of the potential threat, vulnerabilities, and the risk associated with an information technology it system. Information assurance ia is the study of how to protect your. Structure is important for consistency and crossgroup collaboration. The meaning of computer security, computer criminals, methods of defense, elementary cryptography. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. Security risk management is the definitive guide for building or running an information security risk management program.
Consider, document, and discuss security in a structured way. Finding these threats took roughly two weeks, with a onehour threat identi. The software assurance forum for excellence in code safecode is a nonprofit organization exclusively dedicated to increasing trust in information and communications technology products and services through the advancement of effective software assurance methods. Some threats are listed by stride, others are addressed in less structured text where a single mitigation addresses several threats.
Information security in banking and financial industry. A threat model can be used to identify the assets that have to be protected, the kind of threats that the assets might face, the classification of threats based on criticality and possible mitigations against said threats. Information security in banking and financial industry vishal r. An introduction to attack patterns as a software assurance knowledge resource. A hybrid threat modeling method carnegie mellon university. Effective computer security and risk management strategies discusses the tools and techniques required to prevent, detect, contain, correct, and recover from security breaches and other information assurance failures. Threat modeling for security assessment in cyberphysical. Threat model in safeland, you dont need to lock the door attackers who pick locks attackers who drive a bulldozer attackers who have super advanced technology. Presents a hybrid method of threat modeling that attempts to meld the desirable features of three methods. Every effort has been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The model of a cyberphysical system assumed, as presented in fig. Threat risk modeling for web services avasoft abstract web service sharing the business logics, data through a programmatic interface across the network internetintranet. The black market for vulnerabilities jaziar radianti university of agder, norway jose j.
Threat model threat modeling overview introduction goals. Threat modeling methods are used to create an abstraction of the system. Information assurance model a u t h e t i c o n n o n r e p d i a t i o n fig. Directaccess attacks are the only type of threat to standalone.
Security threat modeling, or threat modeling, is a process of assessing and documenting a systems security risks. It explores why information security should be a priority for businesses and deals with how a security expert can model. We also present three case studies of threat modeling. A security model consists of a threat model and a trust model functional and security goals as well.
If youre a software developer, systems manager, or security professional, this book will show you how to use threat modeling in the security development lifecycle and the overall software and systems design processes. A critical, yet underused, element of cybersecurity risk analysis by michael kassner information is my field. Handbooks in information systems series is a comprehensive survey of the field of information systems. Risk management is the process of identifying risk, assessing risk, and taking steps to reduce risk to an acceptable level. At a high level, the htmm includes the following steps, described in detail in the technical note. This book teaches practical techniques that will be used on a daily basis, while also explaining the fundamentals so students understand the rationale behind these practices. Use of a term in this book should not be regarded as affecting the validity of any. This includes providing for restoration of information systems by incorporating protection, detection and reaction capabilities. This practical resource explains how to integrate information assurance. The first step in designing the security for a system is to create a threat model of the system. Chick, paige oriordan, tom scanlon, carol woody, phd. This reference source takes a holistic approach to cyber security and information. It turns out that the threat model commonly used by cryptosystem designers was wrong. Lecture 2 security overview cse497b spring 2007 introduction computer and network security.
Physical threats to the information infrastructure franklin platt part iii prevention. Open software assurance maturity model opensamm 272 building security in maturity model. We examine the differences between modeling software products andcomplex systems, and outline our approachfor identifying threats of networked systems. Threat modeling is a process by which potential threats, such as structural vulnerabilities or the absence of appropriate safeguards, can be identified, enumerated, and mitigations can be prioritized. There are many threat modeling methods that have been developed.
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