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SecurityRequirementsObjectivesAftercompletingthislesson,youshouldbeabletodothefollowing:DescribefundamentalsecurityrequirementsDefinethefollowingterms:LeastprivilegeAuthorizationAuthenticationDescribesecuritypoliciesDescribetheconceptofsecurityindetailIndustry-SecurityRequirementsLegal:Sarbanes-OxleyAct(SOX)HealthInformationPortabilityandAccountabilityAct(HIPAA)CaliforniaBreachLawUKDataProtectionActAuditingHiddenSecurityStandardsRecognizedsecuritystandards:ISO17799SANSInstituteCERT/CCDoyourpoliciesmeetthestandards?FundamentalData-SecurityRequirementsYoushouldknowthefollowingfundamentaldata-securityrequirements:ConfidentialityIntegrityAvailability(hidden)ComponentsforEnforcingSecurityAuthenticationAuthorizationAccesscontrolAuditingSecurityRisksRiskanalysisincludes:Externalattack:UnauthorizedusersDenialofserviceUnauthorizeddataandservice

accessInternalabuse:dataorservicetheftSabotage:dataorservicecorruptionComplexityhiddenRiskAnalysisVulnerabilityThreatControlAttackPreventProtectDiscoverPrincipleofLeastPrivilegeInstallonlytherequiredsoftwareonthemachine.Activateonlytherequiredservicesonthemachine.Giveoperatingsystem(OS)anddatabaseaccesstoonlythoseuserswhorequireaccess.Limitaccesstotherootoradministratoraccount.LimitaccesstoSYSDBAandSYSOPERaccounts.Limitusers’accesstoonlythedatabaseobjectsthatarerequiredtodotheirjobs.DefiningaSecurityPolicyWhatisasecuritypolicy?AsetofrulesSpecifictoanareaandsiteRequiredApprovedbymanagementWhatisastandard?RulesspecifictoasystemorprocessRequiredforeveryoneWhatareguidelines?SuggestionsandbestpracticesSpecifictoasystemoraprocesshiddenDevelopingYourSecurityPolicyThestepstodevelopyoursecuritypolicyare:1. Assembleyoursecurityteam.2. Defineyoursecurityrequirements.3. Developproceduresandsystemstomeettheserequirements.4. Implementsecurityprocedures.ExaminingAllAspectsofSecurityConsiderthefollowingdimensions:PhysicalPersonnelTechnicalProceduralExample:Anemployeeleaveshisorherdeskwhileusinganapplication.ImplementingaSecurityPolicyImplementyourstandardsandprocedures.Implementtheplanfordevelopingnewsystemsandapplications.Monitorandenforcethepolicy.Keepsystemsandapplicationsup-to-datewithsecuritypatches.Educateusers.DefenseinDepthUsingtheconceptof“defenseindepth”:EnforcesecuritypoliciesTrainusersHardentheoperatingsystemUsefirewallsUsenetworksecurityUsedatabase-securityfeaturesHardeningtheOperatingSystemLimitservicestorequiredservices.Limitusers.Usesecurityfromtheservice.Applyallsecuritypatchesandworkarounds.Protectbackups.Testsecurityforin-housedevelopment.Requirestrongpasswords.Controlphysicalaccess.Auditsystemactivity.Useintrusion-detectiontools.hiddenEasingAdministrationExaminethesecurityfeaturesoftheservice:Selectthefeaturesthatmeetyoursecurityrequirements.Integratethefeaturestosimplifyadministration.Easesecurityadministrationby:Usingsinglesign-onDelegatingsecurityauthorityGroupinguserswithcommonprivilegesSynchronizingwithothersourceshiddenUsingaFirewall

toRestrictNetworkAccessApplicationWebserverDatabaseserverClientcomputersFirewallFirewallHardeningOracleServicesHardenthedatabase.HardenOracleNetServices.UseConnectionManagerasafirewall.Useavailablecomponents:Fine-grainedaccesscontrolEnterpriseuserauthenticationEncryptionLabelsecurityStrongauthenticationbyusingpublickeyinfrastructureorKerberosHardenthemiddletier.SummaryInthislesson,youshouldhavelearnedhowto:Listanddescribefund

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