Appendix A – Information Security Risk Management Policy ...
Information Security Risk Management Framework - AppendixVersion: 1.2Author: CS Risk Management SectionDocument Classification: PublicPublished Date: May 2018Document Version HistoryEffective DateReview Version #Changed byChange DescriptionDD/MM/YYYY#XXXXXFirst VersionReview Period<Insert Period>Distribution ListState Agency / Organization ManagementDocument ApproversApproversSignatureName: Designation: Date:Name: Designation:Date:Table of Contents TOC \o "1-3" \h \z \u Appendix A – Information Security Risk Management Policy Template PAGEREF _Toc513542358 \h 4General Policy Statement PAGEREF _Toc513542359 \h 4Application PAGEREF _Toc513542360 \h 4Scope PAGEREF _Toc513542361 \h 4Legal Mandate PAGEREF _Toc513542362 \h 4Purpose and Applicability PAGEREF _Toc513542363 \h 4Policy PAGEREF _Toc513542364 \h 4Appendix B – Information Security Risk Management Criteria PAGEREF _Toc513542365 \h 6Information Asset Valuation Rating PAGEREF _Toc513542366 \h 6Vulnerability Factor Rating PAGEREF _Toc513542367 \h 7Threat Likelihood (TL) Rating PAGEREF _Toc513542368 \h 7Control Effectiveness Rating PAGEREF _Toc513542369 \h 8Cost of Control Rating PAGEREF _Toc513542370 \h 8Risk Evaluation Matrix PAGEREF _Toc513542371 \h 9Risk Rating Matrix PAGEREF _Toc513542372 \h 9Residual Risk Calculation formula PAGEREF _Toc513542373 \h 9Appendix C – Tools & Templates PAGEREF _Toc513542374 \h 10Appendix D – Information Security Risk Management Approval Template PAGEREF _Toc513542375 \h 11Appendix A – Information Security Risk Management Policy TemplateGeneral Policy StatementThe State Agency / Organization ISRM policy is the high level policy on information security risk management and details the intent and policy objectives that are mandatory for all State Agencies / Organizations employees, contractors and service providers. The State Agencies / Organizations ISRM policy is aligned with the Information Security Risk Management Framework (ISRMF). The ISRM policy is supported by information security risk management procedure, processes and tools / template which are to be used as a reference point for implementing the information security risk management policy objectives. In situations where a risk-based approach leads to non-compliance with the State Agencies / Organizations information security risk management policy, a waiver must be signed-off by the information security governance / steering committee or Chief Executive Officer or Board of Directors of State Agencies / Organizations. The waiver must clearly stipulate the level of risk being signed-off and the rationale for non-compliance. ApplicationThis policy provides guidance for facilitating a more consistent approach to ISRM across agencies and organizations. Even though the terminology in this document is geared toward the public sector, the policy can also be used to provide guidance on a variety of other semi-governmental, organizational, or institutional information security requirements.ScopeThe ISRM Policy and all the supporting documents, applies to all employees, Board of Directors, temporary staff, contractual third parties and partners who have access to any information systems or information.Legal MandateQatar Cyber Security Strategy and National Information Assurance Framework (NIAF) mandates that state agencies and organizations must perform periodic information security risk assessment.Purpose and ApplicabilityThe purpose of this policy is to ensure information security risks are identified, assessed, prioritized and managed in a coordinated manner. PolicyEstablish an ISRMF comprising of administrative or specific ISRM laws, regulations, standards and proceduresDefine a risk management methodology in alignment with the ISRMF to identify, assess, evaluate, prioritize and treat / accept risksEstablish an management information security governance / steering committee to manage, drive forward, review and improve State Agencies / Organization’s ISRM programThe information security governance / steering committee shall meet periodically and in response to any significant security incident or any change in State Agencies / Organization’s businessDesignate State Agency Security Manager to assist in maintaining the information security framework, policy and procedurePerform information security risk assessment periodically and in response to any significant security incident or any change in State Agencies / Organizations’ businessPrioritize and select controls to treat risks in alignment with Qatar National Information Assurance FrameworkDefine and clearly indicate the risk-acceptance conditions and approval processEstablish an effective and efficient method of communicating and managing riskDefine procedures to monitor the risks and review ISRM cycleChanges in the business or legal/regulatory environment shall warrant the need to do information security risk assessment; andAlthough all State Agencies / organizations’ employees, contractors, partners and suppliers have a role in the management of information security risk, responsibility shall rest within State Agencies / organization’s management / Board of DirectorsAppendix B – Information Security Risk Management CriteriaInformation security risk management criteria(s) mentioned below is indicative, state agencies or constituencies may alter the rating / scale in accordance with the organizational policies or requirements. Information Asset Valuation RatingCategoryInformation Asset Valuation Criteria / RatingVery High (4)High (3)Medium (2)Low (1)FinancialReplacement value of the asset - the cost of recovery cleanup and replacing the information (if at all possible)Intolerably high costs; Significant impact to organization (greater than QAR 2M) Cost is hardly tolerable; High impact to organization (QAR 1M-QAR 2M) Moderate impact to organization (QAR 500K-QAR 1M)Negligible impact to organization (Less than QAR 500K)BusinessBusiness consequences of loss or compromise of the information assetVery high (e.g. 80 to 100% of the overall service or production)High (e.g. 50 to 80% of the overall service or production)Medium (e.g. 30 to 50% of the overall service or production)Low (e.g. 0 to 30% of the overall service or production)Dependencies - relevant and numerous processes supported by the information assetInformation asset supports more than 10 high critical business processes Information asset supports between 5 and 10 critical business processesInformation asset supports between 1 and 5 less critical business processesInformation asset does not support critical business processesIf the information asset is compromised, how long will it take to have an impact on the organization?Very short period (e.g. seconds or minutes)Short period (e.g. hours)Medium period (e.g. days)Long period (e.g. weeks or months)Legal / regulatoryLegal or regulatory consequences from the disclosure, modification, non-availability and/or destruction of the information assetRestriction of license or loss of licenses (Qatar Central Bank, Ministry of Business & Trade and other regulatory bodies)Non-compliance report with major observations and heavy penalty / fine imposed (e.g. greater than QAR 5M)Non-compliance report with observations and penalty / fine of less amount (e.g. less than QAR 5M)Non-compliance report with minor observations resulting in government warning / noticeVulnerability Factor RatingVulnerability Factors / RatingVery High (4)High (3)Medium (2)Low (1)Ease of discovery - How easy is it for this group of threat agents to discover this vulnerability?Detailed knowledge about the information asset is required e.g. professional experienceGeneral knowledge about the information asset is sufficient e.g. trainingCan be done with minor knowledge about the information asset e.g. procedure / manualCan be done without any knowledge about the information asset Ease of exploit - How easy is it for this group of threat agents to actually exploit this vulnerability?Special equipment and expertise requiredGenerally available equipment can be used and special skill requiredwithout any additional equipment being used or basic skill requiredAutomated tools available or no specific skill required Awareness - How well known is this vulnerability to this group of threat agents?Unknown – zero dayKnown only to information security expertsKnown only to information security experts and userspublic knowledgeThreat Likelihood (TL) Rating Threat LikelihoodRatingConsiderationFrequencyVery Unlikely (VU)1The capability of the threat is limited, and compensating controls are in place that effectively reduces the probability of vulnerability exploitationOnce a year or nullUnlikely (U)2The capability of the threat is medium, and implemented compensating controls lessen the probability of vulnerability exploitationBetween 1 and 10 times per yearLikely (L)3The capability of the threat is high, and compensating controls to reduce the probability of vulnerability exploitation are insufficientBetween 10 and 100 times per yearHighly Likely (HL)4The capability of the threat is significant, and compensating controls to reduce the probability of vulnerability exploitation are insufficient>100 times per yearControl Effectiveness RatingControl EffectivenessRatingEffectiveness of ControlConsiderationLow - Ineffective Controls1Does not reduce the frequency and severity of the threat(s) Only protects against bottom 10% of an average threat populationMedium - Moderately effective controls2Reduces the frequency and severity of the threat(s) moderately effectivelyOnly protects against bottom 40% of an average threat populationHigh - Effective Controls3Reduces the frequency and severity of the threat(s) effectivelyProtects against all but the top 40% of an average threat populationVery High – Highly Effective Controls4Reduces the frequency and severity of the threat(s) highly effectiveProtects against all but the top 10% of an average threat populationCost of Control Rating Threat LikelihoodRatingConsiderationLow1Direct Cost: Negligible cost to organization (Less than QAR 100K)Indirect Cost: No impact on system performance and employee moraleMedium2Direct Cost: Moderate cost to organization (QAR 100K-QAR 500K)Indirect Cost: Minor impact on system performance and employee morale e.g. system performance reports, employee complaints etc…High3Direct Cost: High cost to organization (QAR 500K-QAR 1M)Indirect Cost: Moderate impact on system performance and employee morale e.g. system performance alerts, multiple / frequent employee complaints etc…Very High4Direct Cost: Significant cost to organization (greater than QAR 1M)Indirect Cost: Major impact on system performance and employee morale e.g. system crashes frequently, employee by-passes the controlRisk Evaluation MatrixVulnerability FactorLow (1)Medium (2)High (3)Very High (4)Threat LikelihoodVU (1)U (2)L (3)HL (4)VU (1)U (2)L (3)HL (4)VU (1)U (2)L (3)HL (4)VU (1)U (2)L (3)HL (4)Asset ValueLow (1)1234246836912481216Medium (2)246848121661218248162432High (3)369126121824918273612243648Very High (4)48121681624321224364816324864Risk Rating MatrixRisk MeasureRisk Treatment RequiredLow (1-9)Risk acceptable. No further action required.Medium* (10-17)Risk treatment must be consideredHigh* (18-27)Risk treatment is required. Implement controls within the time-period specified by the business Very High* (28-64)Risk treatment is required. Implement controls immediately to mitigate risks. * Where mitigation is impossible or unrealistic based on cost, feasibility, or benefit analysis, residual risk must be accepted by information asset owner.Residual Risk Calculation formulaInherent Risk Rating = Information Asset Value * Vulnerability Factor Rating * Threat Likelihood RatingInitial Residual Risk Rating = Inherent Risk Value / Current Control Effectiveness RatingFinal Residual Risk Rating = Intermediate Residual Risk Value / Planned Control Effectiveness Rating Appendix C – Tools & TemplatesInformation Security Risk Management ChecklistAppendix D – Information Security Risk Management Approval TemplateThe undersigned acknowledge that they have reviewed the Information Security Risk Management Report DOCPROPERTY Subject \* MERGEFORMAT and agree with the information presented within this document. Changes to this Information Security Risk Management Report will be coordinated with, and approved by, the undersigned, or their designated representatives.[List the individuals whose signatures are desired. Examples of such individuals are Information Security Steering / Governance Committee member, Business Owner(s), Project Manager (if identified), and other stakeholders. Add additional lines for signature as necessary.]Signature:Date:Print Name:Title:Role:Signature:Date:Print Name:Title:Role:Signature:Date:Print Name:Title:Role: ................
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