1 Security Architecture Principles A Brief Introduction Mark Battersby , Oslo
2 Agenda About Me Enterprise Architecture Architecture Principles Our Philosophy Security Architecture Principles Security Architecture Principles, Cloud & SOA 2
3 Mark Battersby Security Architect The evolution of knowledge/architecture is toward simplicity, not complexity. Profile Significant experience of analysis and verification of business and technical requirements including security audit, compliance, analysis and test of tools. Significant experience in many roles including, security architect, security adviser and security analyst. Architected and developed business critical solutions for demanding bluechip clients Specialized within information security (identity and access management, information assurance, security standards and policies) Familiarity with information security standards, ISO 27000, COBIT, ISF Security Guidelines and Benchmarking, Security Audit, Governance, Risk and Compliance Exceptional communication and presentation skills based on a strong desire to learn and share knowledge, experience and skills with project members Qualifications MSc. Information Security, RHUL (Royal Holloway, University of London) TOGAF 9 Certified Architect Member RHUL information security group Member British Computer Society Recent Professional Experience Ericsson , Stockholm, Sweden Information Security and Operational Risk Manager. Security Advisor to management team Development of information security and operational risk policies, directives and controls. Implementation of information security and operational risk policies, directive and controls Delivery of risk and information security awareness programs within Ericsson Regular review and audit of information security and risk management procedures Axfood, Stockholm, Sweden Analyst, Identity and Access Management Pre-study for identity and access management in a major SAP implementation Dalkia, Stockholm, Sweden Security Architect, Identity and Access Management Hands-on support to the Oracle partner implementing an identity and access management system. TeliaSonera, Stockholm, Sweden Lead Architect, Identity and Access Management, Corporate Security Business analysis, architecture and design of an identity and access management system for corporate security
4 Enterprise Architecture Definition Enterprise architecture (EA) is the process of translating business vision and strategy into effective enterprise change by creating, communicating and improving the key requirements, principles and models that describe the enterprise's future state and enable its evolution 4
5 Architecture Principles Architecture Principles are essentially guidelines which Influence the architecture (in some way) Address long term goals and strategies Describe the agenda or priority of the business May be conflicting Change infrequently if at all Architecture Principles do not Define what needs to be done Solve a specific problem Guiding Principles are rules which Allow governance of architecture Are a way to determine and define which mechanisms shall be used when there are several conflicting requirements 5
6 Security Architecture Principles Mark Battersby
7 Our philosophy The easy way of doing things should also be the secure way of doing things Security mechanisms should be appropriate, minimal and invisible to the users Security is an aspect of everything Security choices should be based on business need, risk and Return On Security Investment Information should only be present where it is necessary. Know your asset and know your needs to minimize exposure, risk and security scope
8 Security Principles Security Principles define key design features of information security that should be applied when architecting a secure architecture (or framework, or infrastructure). These features must: Be defined in plain language Use terms that have clear meaning within the context being used Be technology-neutral; i.e., independent of any technologies or design implementation
9 Guiding Principles identify correct security mechanisms Principles shall: Provide guidelines toward the long term goals of the business Describe priorities of the business Define the rules for architecture Be stable Principles shall not: Describe the problem or topic Solve the problem 9
10 Security Principles in Context General Security Principles SOA Security Principles Cloud Security Principles
11 Information Centric Security (Jerico Forum). Stored Secure the business Secure the information carrier Secure the information In transit Used Asset assessment Information centric security A reference model for securing information in the enterprise Risk analysis Policies Jericho style security A reference model for implementing information centric security Is built upon the mobile workforce concept and an interconnected world
12 General Security Principles Categories include Fundamentals Trust Data Protection Management Interoperability
13 Security Principles - Fundamentals Policy Driven Security must be driven by policy People, Process and Technology All people, processes and technology must have declared and transparrent levels of trust for any transaction to occur Openness Information security solutions should depend on open systems mechanisms.
14 Security Principles - Fundamentals Security by Design Security should be designed as an integral part of the system architecture Sharing Security solutions should include management controls to accommodate sharing Defense in Depth Multiple levels of protection, especially if they use different mechanisms, should be used to provide effective defense in depth
15 Security Principles - Fundamentals Security is Model-driven Models are reflective of the operating environment, common models, and consistent formats for identity and trust, data, policy, applications, security information and events, and cryptographic keys. Simplicity Security mechanisms should be pervasive, simple, scalable, and easy to manage. Protection against Insider and Outsider Attacks Security measures should maintain their intended effectiveness irrespective of the source credentials of a principal claiming access to a resource.
16 Security Principles - Trust Trust Assurance Mutual trust levels must be determinable Weakest Link Overall security can only be as effective as the weakest link in the chain from end-to-end
17 Security Principles Data Protection Security Context Validate the security context for which the solution is designed Data Access Control Access to data should be controlled by security attributes of the data itself Data Protection By default, data must be appropriately secured when stored, in transit and in use
18 Security Principles - Management Accountability Security solutions should include collection of audit information on system operations. (See also the Accountability in Service-based Architectures principle.) Regulation/Compliance Security solutions should include mechanisms to configure and monitor systems for regulatory compliance. Privacy Security solutions should include mechanisms to implement policy on privacy.
19 Security Principles - Management Compartmentalization (Security Domains) Resources should be protected at separated levels appropriate to their value, confidentiality, integrity, and accountability classification. Separation of Management Services Security services for management, enforcement, and accountability should be delivered as separate functions through separate authorities. Separation of Duties Security operations should enforce separation of duties.
20 Security Principles - Interoperability Least Privilege A principal should have only the privileges required to carry out its specified task. Agility and Extensibility Security solutions should include agility and management mechanisms to accommodate extensibility. Consumability Security solutions should include management mechanisms to accommodate consumability.
21 Security Architecture Principles Other Sources ISO/IEC ISO/IEC 27001:2005: Information Technology Security Techniques Information Security Management Systems Requirements. NIST NIST Special Publication : Generally Accepted Principles & Practices for Securing Information Technology Systems; Reference Joint ISF, (ISC)2, ISACA Principles for Information Security Practitioners, 2010; Jerico Forum Jerico Forum Commandments, 2006 Design principles that must be observed when architecting systems for secure operation in deperimeterized environments Jerico Forum Identity, Entitlement and Access Management (IdEA) Commandments, 2011 Security principles for federated identity management
22 Security Architecture Principles Cloud, SOA Mark Battersby , Oslo
23 Security Architecture Principles Cloud and SOA Weakest Link Off-line backup Policy based access to Services Data Protection Privacy Multi-tenancy Data Evacuation Intellectual Property Accountability in SOA
24 Security Architecture Principles - Cloud and SOA Weakest Link Adding to the Weakest Link principle, this principle has particular application to Cloud and SOA. Off-line Backup It must be possible for Cloud tenants to make a back-up of their data on another environment of their choice. Policy based access to Services Service consumption will be controlled by policy. Policies must be held externally from applications.
25 Security Architecture Principles - Cloud and SOA Data Protection Data protection should allow compliance with corporate or regulatory compliance standards and practices, implemented in a manner that supports the other principles for Cloud and SOA, such as policy-based access, federation, multi-tenancy, etc. Privacy Extending the Privacy principle, protection of private information must demonstrate compliance with the enterprise's requirements for such protection across all points providing each service. Multi-tenancy A Cloud Computing model must support tenant and solution isolation among multiple tenants of the Cloud.
26 Security Architecture Principles - Cloud and SOA Data Evacuation A user of Cloud Computing must be able to request its data be removed in its entirety from the Cloud on terminating use of the service and be assured that no data is left behind in an accessible state. Intellectual Property A Cloud Computing model must support the notion that a user s intellectual assets (capital/property) and individuals or organizations innovations are protected contractually and where possible also technically, and respected by its Cloud hosting providers and/or their associated supply chain, including residual knowledge and experience-based knowledge.
27 Security Architecture Principles - Cloud and SOA Accountability in SOA Security design in SOA/Cloud architectures should include collection and provision of audit information on system operations.
28 Questions? 28
29 More Information Please contact: Mark Battersby 29
30 More Information About Capgemini With around 140,000 people in 40 countries, Capgemini is one of the world s foremost providers of consulting, technology and outsourcing services. The Group reported 2010 global revenues of EUR 8.7 billion. Together with its clients, Capgemini creates and delivers business and technology solutions that fit their needs and drive the results they want. A deeply multicultural organization, Capgemini has developed its own way of working, the Collaborative Business ExperienceTM, and draws on Rightshore, its worldwide delivery model. More information is available at Rightshore is a trademark belonging to Capgemini 30
31 The information contained in this presentation is proprietary Capgemini. All rights reserved
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