ISO 27001: An Introduction ToInformation, Network and Internet Security
Initial review questions What is 'Information Security'? Introduction to information security mechanisms Information security standards ISO 27002 ISO 27001 (formerly BS 7799 Part 2) The 'Information Security Management System' (ISMS) Overview Organisation decides to implement ISO 27001 Management commitment, assign project responsibilities Define the information security policy Define the scope of the ISMS Perform the risk assessment (RA) for the scope of the ISMS Decide how to manage the risks identified Select objectives and controls to be implemented Implement controls Undergo certification Reviewing the management system Improving the ISMS Corrective action Preventive action Things to watch Commitment Information security policy Scope of the ISMS The risk assessment process Selection of controls / the SoA Implementing controls The audit process The process of risk assessment and risk management Introduction to risk Introduction to risk management The risk management process The generic ISO risk process Risk analysis Risk Evaluation Risk Treatment Monitoring and review of the risk management process Risk reporting and communication Risk policy, roles and responsibilities Quantitative risk assessment Problems with the quantitative approach Qualitative Risk Assessment Comparing the Two Approaches Risk management standards Risk assessment methodology based on AS/NZS 4360 The risk register Benefits of good risk management Risk mitigation Risk financing Risk acceptance Risk transfer: the concept of insurance Types of insurance Self-insurance Problems with insurance Risk management tools Overview Business processes Modelling risk in a business manner Choosing the correct tool ISO27002 - Code of Practice for Information Security Management Commentary Things to watch ISO 27002 Clause 5: Security policy Information security policy Commentary Security policy checklist Things to Watch ISO 27002 Clause 6: Organisation of information security Internal organisation External parties Commentary Things to Watch ISO 27002 Clause 7: Asset management Information classification Commentary Things to Watch ISO 27002 Clause 8: Human resources security Prior to employment During employment Termination or change of employment Commentary Things to Watch ISO 27002 Clause 9: Physical and environmental security Secure areas Equipment security Commentary Things to Watch ISO 27002 Clause 10: Communications and operations management Operational procedures and responsibilities Third party service delivery management System planning and acceptance Protection against malicious and mobile code Backup Network security management Media handling Exchange of information Electronic commerce services Monitoring Commentary Things to watch ISO 27002 Clause 11: Access control Business requirement for access control User access management User responsibilities Network access control Operating system access control Application and information access control Mobile computing and teleworking Commentary Things to watch ISO 27002 Clause 12: Information systems acquisition, development and maintenance Security requirements of systems Correct processing in applications Cryptographic controls Security of system files Security in development and support processes Technical vulnerability management Commentary Things to watch ISO 27002 Clause 13: Information security incident management Reporting information security events and weaknesses Management of information security incidents and improvements Commentary Things to watch ISO 27002 Clause 14: Business continuity management Aspects of business continuity management Commentary Things to watch ISO 27002 Clause 15: Compliance Compliance with legal requirements Compliance with security policies and standards and technical compliance Information systems audit considerations Commentary Things to watch Certification Why does my organisation need certification? Accredited certification What does 'Accredited' mean? Different types of audit How does the certification scheme work? Six step certification process Summary Appendix A - References AppendiX B - Some examples of Risks & Their Drivers Financial Risks Operational Risks Hazard Risks Strategic Risks Appendix C - A Sample Risk Register Appendix D - Consequences Three by Three Five by Five Using a 5 layer impact matrix Appendix E - Probability of Ocurrence Three by Three - Threats Three by Three - Opportunities Five by Five Ten by Ten Appendix F - Risk ratings Risk Reduction Appendix G - Risk Terms and Definitions Appendix H - Further Reading List of Figures Glossary