ISMS Documentation Requirements Must be company-wideMust be cross-functionalMust be management-ledWill have significant internal linkages and cross-references Must comply with ISO27001specificationMust reflect ISO27002:2005 guidanceRequires four levels of documentation ––Essential for effectiveness, internal coherence and consistencyMust ensure there are no information security gaps–Board approves level 1: Corporate policy, risk treatment plan, Statement of Applicability (134controls), ISMS manualExecutive approves level 2: proceduresLine managers approve level 3: operations/work instructionsLevel 4 documents are records that do not need approval–––Must reflect Plan-Do-Check-Act (PDCA) cycleMust be continuously improved IT Governance Ltd 2005 - 20088 The ISMS Project Roadmap IT Governance Ltd 2005 - 20087 How do we create an ISMS? PDCAPLAN Identify assets, scope, carry out riskassessment, create policies,processesACTCHECKPLANDODO Implement the defined and agreedprocesses No action required for acceptedrisksCHECK Assess performance against definedpoliciesACT Take corrective and preventiveaction to continually improve theoperation of the ISMS IT Governance Ltd 2005 - 20086 A combination of the above 1 & 2 are not incompatible! IT Governance L td 2005 - 20085 Drive for certification Demonstrating best practiceCorporate positioningCustomer/partner requirementGovernment/funder requirement3. Implement information security best practice Security of corporate information assetsProtection of corporate reputationMeet governance and regulatory compliance requirementsImprovement in effectiveness of corporate ITinfrastructureCorporate quality assurance2.
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What are BS7799 and ISO17799? Two interlinked standards– ISO27001 specifies how to design an Information SecurityManagement System („ISMS‟) How the ISMS should work, not what should be in it Replaced BS7799– ISO27002:2005 is an international code of practice for informationsecurity best practice that supports and fleshes out ISO27001 What should be in the ISMS, not how it should work Management system standards ––––Technology y similar to ISO9000Internationally understoodCapable of external certificationCommonly accepted best practice200 new ISO27001 certifications/month IT Governance Ltd 2005 - 20084īusiness drivers1. What is an ISMS? A defined, documented management system (within a definedorganization, the „scope‟)––––A board information security policyA corporate risk treatment planAn inventory of information assets (data and systems) that fall within the scopeAn assessment of vulnerabilities, threats and risks („risk assessment‟) to thoseassets– A Statement of Applicability identifying a set of controls (responses to/countersfor risks) that respond to the risks– A comprehensive suite of processes, policies, procedures & work instructions The ISMS must be– Implemented and managed– Reviewed, audited and checked– Continuously improved Certification––––Valuable but not always essentialThe final stageCarried out by a third party certification bodyEvidence as to the completeness and quality of the ISMS IT Governance Ltd 2005 - 20083 What is Information Security? The use of an ISMS (Information Security Management System)for the systematic preservation, in an organization, of “All information systems have vulnerabilities that can be exploited bythreats in ways that can have significant impacts on theorganization‟s effectiveness, profitability, value and long termsurvivalOf its information (and its information systems)Information risk External threats (hackers, terrorists, viruses, spam,competitors, cyber-criminals, Acts of God, etc)Internal threats – fraud, error, unauthorized or illegalsystem use, data theftSystem failure – hardware failure, power outages, suppliersAlso significant regulatory & compliance issues IT Governance Ltd 2005 -20082 The Complete ISMS ToolkitThe ISMS solution from your ISMS partner
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