Overview

Internet attack on computer systems is pervasive. It can take from less than a minute to as much as eight hours for an unprotected machine connected to the Internet to be completely compromised. It is the information security architect's job to prevent attacks by securing computer systems. This book describes both the process and the practice of assessing a computer system's existing information security posture. Detailing the time-tested practices of experienced security architects, it explains how to deliver the right security at the right time in the implementation lifecycle. Securing Systems: Applied Security Architecture and Threat Models covers all types of systems, from the simplest applications to complex, enterprise-grade, hybrid cloud architectures. It describes the many factors and prerequisite information that can influence an assessment. The book covers the following key aspects of security analysis: * When should the security architect begin the analysis? * At what points can a security architect add the most value? * What are the activities the architect must execute? * How are these activities delivered? * What is the set of knowledge domains applied to the analysis? * What are the outputs? * What are the tips and tricks that make security architecture risk assessment easier? To help you build skill in assessing architectures for security, the book presents six sample assessments. Each assessment examines a different type of system architecture and introduces at least one new pattern for security analysis. The goal is that after you've seen a sufficient diversity of architectures, you'll be able to understand varied architectures and can better see the attack surfaces and prescribe security solutions.

Full Product Details

Author:   Brook S. E. Schoenfield
Publisher:   Taylor & Francis Ebooks
Imprint:   CRC Press
ISBN:  

9781482233988

ISBN 10:   1482233983
Pages:   440
Publication Date:   19 May 2015
Audience:   General/trade ,  College/higher education ,  General ,  Tertiary & Higher Education
Format:   Electronic book text
Publisher's Status:   Active
Availability:   Available To Order  
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Table of Contents

Dedication Contents Foreword by John N. Stewart Foreword by Dr. James F. Ransome Preface Acknowledgments About the Author Part I Introduction The Lay of Information Security Land The Structure of the Book References Introduction Breach! Fix It! Information Security, as Applied to Systems Applying Security to Any System References The Art of Security Assessment Why Art and Not Engineering? Introducing The Process Necessary Ingredients The Threat Landscape Who Are These Attackers? Why Do They Want to Attack My System? How Much Risk to Tolerate? Getting Started References Security Architecture of Systems Why Is Enterprise Architecture Important? The Security in Architecture Diagramming For Security Analysis Seeing and Applying Patterns System Architecture Diagrams and Protocol Interchange Flows (Data Flow Diagrams) Security Touches All Domains Component Views What's Important? What Is Architecturally Interesting ? Understanding the Architecture of a System Size Really Does Matter Applying Principles and Patterns to Specific Designs Principles, But Not Solely Principles Summary References Information Security Risk Rating with Incomplete Information Gut Feeling and Mental Arithmetic Real-World Calculation Personal Security Posture Just Because It Might Be Bad, Is It? The Components of Risk Threat Exposure Vulnerability Impact Business Impact Data Sensitivity Scales Risk Audiences The Risk Owner Desired Security Posture Summary References Prepare for Assessment Process Review Credible Attack Vectors Applying ATASM Architecture and Artifacts Understand the Logical and Component Architecture of the System Understand Every Communication Flow and Any Valuable Data Wherever Stored Threat Enumeration List All the Possible Threat Agents for This Type of System List the Typical Attack Methods of the Threat Agents List the System-Level Objectives of Threat Agents Using Their Attack Methods Attack Surfaces Decompose (factor) the Architecture to a Level That Exposes Every Possible Attack Surface Filter Out Threat Agents Who Have No Attack Surfaces Exposed to Their Typical Methods List All Existing Security Controls for Each Attack Surface Filter Out All Attack Surfaces for Which There Is Sufficient Existing Protection Data Sensitivity A Few Additional Thoughts on Risk Possible Controls Apply New Security Controls to the Set of Attack Services for Which There Isn't Sufficient Mitigation Build a Defense-in-Depth Summary References Part I Summary Part II Introduction Practicing with Sample Assessments Start with Architecture A Few Comments about Playing Well with Others Understand the Big Picture and the Context Getting Back to Basics References eCommerce Website Decompose the System The Right Level of Decomposition Finding Attack Surfaces to Build the Threat Model Requirements Enterprise Architecture Enterprise Architecture Pre-work: Digital Diskus Digital Diskus' Threat Landscape Conceptual Security Architecture Enterprise Security Architecture Imperatives and Requirements Digital Diskus' Component Architecture Enterprise Architecture Requirements References Business Analytics Architecture Threats Attack Surfaces Attack Surface Enumeration Mitigations Administrative Controls Enterprise Identity Systems (Authentication and Authorization) Requirements References Endpoint Anti-malware A Deployment Model Lens Analysis More on Deployment Model Endpoint AV Software Security Requirements References Mobile Security Software with Cloud Management Basic Mobile Security Architecture Mobility Often Implies Client/Cloud Introducing Clouds Authentication Is Not a Panacea The Entire Message Stack Is Important Just Good Enough Security Additional Security Requirements for a Mobile and Cloud Architecture Cloud Software as a Service (SaaS) What's So Special about Clouds? Analysis: Peel the Onion Freemium Demographics Protecting Cloud Secrets The Application Is a Defense Globality Additional Requirements for the SaaS Reputation Service 319 References Part II Summary Part III Introduction Patterns and Governance Deliver Economies of Scale Expressing Security Requirements Expressing Security Requirements to Enable Who Consumes Requirements? Getting Security Requirements Implemented Why Do Good Requirements Go Bad? Some Thoughts on Governance Summary References Building an Assessment Program Building a Program Senior Management's Job Bottom Up? Use Peer Networks Building a Team Training Documentation and Artifacts Peer Review Workload Mistakes and Missteps Not Everyone Should Become an Architect Standards Can't Be Applied Rigidly One Size Does Not Fit All, Redux Don't Issue Edicts Unless Certain of Compliance Measuring Success Invitations Are Good! Establish Baselines Summary References Part III Summary and Afterword Summary Afterword Index

Reviews

Brook Schoenfield has distilled a tremendous amount of practical experience and critical thinking about security architecture into a resource that should be extremely helpful to practitioners. - Jack Jones, Originator of The Open Group Standard, Factor Analysis for Information Risk (FAIR) Five stars for Brook Schoenfield who has created a one-stop resource for both the security strategist/technologist and the executive suite, sounding the 'proactive' klaxon. The reader is given substantive exemplars on the practicality of architecting security solutions into the mix from the get-go, and obviating the tendency to 'bolt on' security at a later date. Securing Systems should be on every CSO's and CISO's desk, and referenced often as teams are built and security solutions architected. - Christopher Burgess, CEO, Prevendra Inc, Author of Secrets Stolen, Fortunes Lost and Protecting Intellectual Property Brook Schoenfield's approach to securing systems addresses the entire enterprise, not only its digital systems, as well as the processes and people who will interact, design, and build the systems. This book fills a significant gap in the literature and is appropriate for use as a resource for both aspiring and seasoned security architects alike. - Dr. James F. Ransome, CISSP, CISM, Senior Director of Product Security at Intel Security Group and Co-Author of Core Software Security It is not good enough just to build something and try and secure it, it must be architected from the bottom up with security in it, by professionally trained and skilled security architects, checked and validated by regular assessments for weakness, and through a learning system that learns from today to inform tomorrow. We must succeed. - John N. Stewart, SVP & Chief Security Officer, Cisco Security and Trust Organization and Winner of the CSO 40 Silver Award for the 2014 Chief Security Officer of the Year This book describes well why some companies are successful and some are not in the area of software security. Brook writes this book out of his own experiences from many years in the trade. I doubt that you can find many who have more years of great achievements in his field. By reading this book, you will get a fast track to build competence in a very advanced area. The possibilities to take the wrong route are much wider than you can imagine. Please do like me- read it and think how I can improve my daily business from what I have learned. - Per-Olof Persson, Head of Software Security, Sony Mobile

Author Information

Brook S.E. Schoenfield is Director of Product Security Architecture at Intel Security Group. He is the senior technical leader for software security across the division's broad product portfolio. He has held leadership security architecture positions at high-tech companies for many years. Brook has presented at conferences such as RSA, BSIMM, and SANS What Works Summits on subjects within security architecture, including architecture risk assessment and threat models, information security risk, SaaS/Cloud security, and Agile security. He has been published by CRC Press, SANS, Cisco, and the IEEE.

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