ISA 62443 IC34 ALL SETS QUESTIONS
WITH CORRECT ANSWERS 2025
WhatMisMtheMpurposeMofMassigningMaMTargetMSecurityMLevelM(SL-
T)MduringMtheMAssessMphaseMofMICSMsecurityMimplementation?M-MCORRECTMANSWERM-
ToMdetermineMtheMexistingMvulnerabilitiesMofMtheMsystem.
WhatMhappensMduringMtheMDevelopM&MImplementMphaseMofMICSMsecurityMimplementation?M-
MCORRECTMANSWERM-CountermeasuresMareMimplementedMtoMmeetMtheMTargetMSecurityMLevelM(SL-T).
WhatMisMtheMprimaryMgoalMofMtheMMaintainMphaseMinMICSMsecurityMimplementation?M-
MCORRECTMANSWERM-ToMensureMtheMAchievedMSecurityMLevelM(SL-
A)MisMequalMtoMorMbetterMthanMtheMTargetMSecurityMLevelM(SL-T).*
WhatMisMphaseM1MofMtheMIACSMCybersecurityMLifeMCycle?M-MCORRECTMANSWERM-Assess
WhatMisMphaseM2MofMtheMIACSMCybersecurityMLifeMCycle?M-MCORRECTMANSWERM-DevelopM&MImplement
WhatMisMphaseM3MofMtheMIACSMCybersecurityMLifeMCycle?M-MCORRECTMANSWERM-MaintainMphase
WhatMisMstepM1MofMtheMIACSMCybersecurityMLifeMCycleM(AssessMPhase)?M-MCORRECTMANSWERM-High-
LevelMCyberMRiskMAssessment
WhatMisMstepM2MofMtheMIACSMCybersecurityMLifeMCycleM(AssessMPhase)?M-MCORRECTMANSWERM-
AllocationMofMIACSMAssetsMtoMSecurityMZonesMorMConduits
WhatMisMstepM3MofMtheMIACSMCybersecurityMLifeMCycleM(AssessMPhase)?M-MCORRECTMANSWERM-
DetailMCyberMRiskMAssessment
WhatMisMstepM4MofMtheMIACSMCybersecurityMLifeMCycleM(DevelopM&MImplementMPhase)?M-
MCORRECTMANSWERM-CybersecurityMRequirementsMSpecification
,WhatMisMstepM5MofMtheMIACSMCybersecurityMLifeMCycleM(DevelopM&MImplementMPhase)?M-
MCORRECTMANSWERM-DesignMandMengineeringMofMCybersecurityMcountermeasures
WhatMisMstepM6MofMtheMIACSMCybersecurityMLifeMCycleM(DevelopM&MImplementMPhase)?M-
MCORRECTMANSWERM-Installation,McommissioningMandMvalidationMofMCybersecurityMcountermeasures
WhatMisMstepM7MofMtheMIACSMCybersecurityMLifeMCycleM(Maintain)?M-MCORRECTMANSWERM-
CybersecurityMMaintenance,MMonitoringMandMManagementMofMChange
WhatMisMstepM8MofMtheMIACSMCybersecurityMLifeMCycleM(Maintain)?M-MCORRECTMANSWERM-
CyberMIncidentMResponseM&MRecovery
WhatMareMtheMcontinuousMprocessesMactivitiesMofMtheMIACSMCybersecurityMLifeMCycle?M-
MCORRECTMANSWERM-
CybersecurityMManagementMSystem:MPolicies,MProcedures,MTrainingM&MAwareness,MPeriodicMCybersecuri
tyMAudits
AMriskMassessmentMshouldMprovideMinformationMaboutMwhat?M-MCORRECTMANSWERM-
AnMentireMsystemMasMwellMasMeachMzone
WhatMinformationMshouldMbeMprovidedMfromMaMriskMassessment?M-MCORRECTMANSWERM--RiskMprofile
-HighestMseverityMconsequences
-ThreatsM/MvulnerabilitiesMleadingMtoMtheMhighestMrisks
-TargetMSecurityMLevels
-Recommendations
AMthoroughMriskMassessmentMshouldMdeliverMinsightsMonMsystem-wide,Mzone-specific,MandMconduit-
specificMlevelsMandMgenerate:M-MCORRECTMANSWERM--RiskMprofile
-HighestMseverityMconsequences
-ThreatsM/MvulnerabilitiesMleadingMtoMtheMhighestMrisks
-TargetMSecurityMLevels
-Recommendations
,WhatMisMtheMoutputMofMaMRiskMAssessmentMcalled?M-MCORRECTMANSWERM-
CybersecurityMRequirementMSpecificationM(CRS)
TheMCRSMmustMincludeMatMleastMtheMfollowing:M-MCORRECTMANSWERM-SUCMdescriptionM
ZoneMandMconduitMdrawingsM
ZoneMandMconduitMcharacteristics
OperatingMenvironmentMassumptionsM
ThreatMenvironment
OrganizationalMsecurityMpolicies
TolerableMriskM
RegulatoryMrequirements
WhatMdocumentsMareMrequiredMperMzone/conduit?M-MCORRECTMANSWERM-
•NameMand/orMuniqueMidentifier
•AccountableMorganization(s)
•DefinitionMofMlogicalMboundary
•DefinitionMofMphysicalMboundary,MifMapplicable
•SafetyMdesignation
•ListMofMallMlogicalMaccessMpoints
•ListMofMallMphysicalMaccessMpoints
•ListMofMdataMflowsMassociatedMwithMeachMaccessMpoint
•ConnectedMzonesMorMconduits
•ListMofMassetsMandMtheirMclassification,McriticalityMandMbusinessMvalue
•SL-T
•ApplicableMsecurityMrequirements
•ApplicableMsecurityMpolicies
•AssumptionsMandMexternalMdependencies
, HowMcanMtheM5D'sMbeMappliedMtoMIACS's?M-MCORRECTMANSWERM-
ByMdevelopingMaMphysicalMandMcybersecurityMprotectionMstrategyMforMeachMzoneM&Mconduit
WhatMshouldMphysicalMandMCybersecurityMprotectionMstrategyMforMeachMzoneM&MconduitMbeMbasedMon?M
-MCORRECTMANSWERM--RiskMassessmentMresults
-TargetMSecurityMLevel
-CybersecurityMRequirementsMSpecification
HowMmanyMSecurityMLevelsM(SLs)MareMdefinedMinMtheMISA/IECM62443Mseries?M-MCORRECTMANSWERM-5
WhatMSecurityMLevelMisMdefinedMasMhavingMnoMspecificMrequirementsMorMsecurityMprotectionMnecessary?
M-MCORRECTMANSWERM-SLM0
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMcasualMorMcoincidentalMviolation?M-
MCORRECTMANSWERM-SLM1
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMintentionalMviolationMusingMsimpleMmeansMwithMl
owMresources,MgenericMskillsMandMlowMmotivation?M-MCORRECTMANSWERM-SLM2
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMintentionalMviolationMusingMsophisticatedMmeansM
withMmoderateMresources,MIACSMspecificMskillsMandMmoderateMmotivation?M-MCORRECTMANSWERM-SLM3
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMintentionalMviolationMusingMsophisticatedMmeansM
withMextendedMresources,MIACSMspecificMskillsMandMhighMmotivation?M-MCORRECTMANSWERM-SLM4
WhatMSecurityMLevelM(SL)MisMdefinedMasMtheMsecurityMlevelMreachedMbyMaMzoneMorMconduit?M-
MCORRECTMANSWERM-AchievedMSecurityMLevelM(SL-A)
WhatMSecurityMLevelM(SL)MisMdefinedMasMtheMhighestMsecurityMlevelMobtainableMbyMtheMzone,Mconduit,Mor
Mcomponent?M-MCORRECTMANSWERM-CapabilityMSecurityMLevelM(SL-C)
WITH CORRECT ANSWERS 2025
WhatMisMtheMpurposeMofMassigningMaMTargetMSecurityMLevelM(SL-
T)MduringMtheMAssessMphaseMofMICSMsecurityMimplementation?M-MCORRECTMANSWERM-
ToMdetermineMtheMexistingMvulnerabilitiesMofMtheMsystem.
WhatMhappensMduringMtheMDevelopM&MImplementMphaseMofMICSMsecurityMimplementation?M-
MCORRECTMANSWERM-CountermeasuresMareMimplementedMtoMmeetMtheMTargetMSecurityMLevelM(SL-T).
WhatMisMtheMprimaryMgoalMofMtheMMaintainMphaseMinMICSMsecurityMimplementation?M-
MCORRECTMANSWERM-ToMensureMtheMAchievedMSecurityMLevelM(SL-
A)MisMequalMtoMorMbetterMthanMtheMTargetMSecurityMLevelM(SL-T).*
WhatMisMphaseM1MofMtheMIACSMCybersecurityMLifeMCycle?M-MCORRECTMANSWERM-Assess
WhatMisMphaseM2MofMtheMIACSMCybersecurityMLifeMCycle?M-MCORRECTMANSWERM-DevelopM&MImplement
WhatMisMphaseM3MofMtheMIACSMCybersecurityMLifeMCycle?M-MCORRECTMANSWERM-MaintainMphase
WhatMisMstepM1MofMtheMIACSMCybersecurityMLifeMCycleM(AssessMPhase)?M-MCORRECTMANSWERM-High-
LevelMCyberMRiskMAssessment
WhatMisMstepM2MofMtheMIACSMCybersecurityMLifeMCycleM(AssessMPhase)?M-MCORRECTMANSWERM-
AllocationMofMIACSMAssetsMtoMSecurityMZonesMorMConduits
WhatMisMstepM3MofMtheMIACSMCybersecurityMLifeMCycleM(AssessMPhase)?M-MCORRECTMANSWERM-
DetailMCyberMRiskMAssessment
WhatMisMstepM4MofMtheMIACSMCybersecurityMLifeMCycleM(DevelopM&MImplementMPhase)?M-
MCORRECTMANSWERM-CybersecurityMRequirementsMSpecification
,WhatMisMstepM5MofMtheMIACSMCybersecurityMLifeMCycleM(DevelopM&MImplementMPhase)?M-
MCORRECTMANSWERM-DesignMandMengineeringMofMCybersecurityMcountermeasures
WhatMisMstepM6MofMtheMIACSMCybersecurityMLifeMCycleM(DevelopM&MImplementMPhase)?M-
MCORRECTMANSWERM-Installation,McommissioningMandMvalidationMofMCybersecurityMcountermeasures
WhatMisMstepM7MofMtheMIACSMCybersecurityMLifeMCycleM(Maintain)?M-MCORRECTMANSWERM-
CybersecurityMMaintenance,MMonitoringMandMManagementMofMChange
WhatMisMstepM8MofMtheMIACSMCybersecurityMLifeMCycleM(Maintain)?M-MCORRECTMANSWERM-
CyberMIncidentMResponseM&MRecovery
WhatMareMtheMcontinuousMprocessesMactivitiesMofMtheMIACSMCybersecurityMLifeMCycle?M-
MCORRECTMANSWERM-
CybersecurityMManagementMSystem:MPolicies,MProcedures,MTrainingM&MAwareness,MPeriodicMCybersecuri
tyMAudits
AMriskMassessmentMshouldMprovideMinformationMaboutMwhat?M-MCORRECTMANSWERM-
AnMentireMsystemMasMwellMasMeachMzone
WhatMinformationMshouldMbeMprovidedMfromMaMriskMassessment?M-MCORRECTMANSWERM--RiskMprofile
-HighestMseverityMconsequences
-ThreatsM/MvulnerabilitiesMleadingMtoMtheMhighestMrisks
-TargetMSecurityMLevels
-Recommendations
AMthoroughMriskMassessmentMshouldMdeliverMinsightsMonMsystem-wide,Mzone-specific,MandMconduit-
specificMlevelsMandMgenerate:M-MCORRECTMANSWERM--RiskMprofile
-HighestMseverityMconsequences
-ThreatsM/MvulnerabilitiesMleadingMtoMtheMhighestMrisks
-TargetMSecurityMLevels
-Recommendations
,WhatMisMtheMoutputMofMaMRiskMAssessmentMcalled?M-MCORRECTMANSWERM-
CybersecurityMRequirementMSpecificationM(CRS)
TheMCRSMmustMincludeMatMleastMtheMfollowing:M-MCORRECTMANSWERM-SUCMdescriptionM
ZoneMandMconduitMdrawingsM
ZoneMandMconduitMcharacteristics
OperatingMenvironmentMassumptionsM
ThreatMenvironment
OrganizationalMsecurityMpolicies
TolerableMriskM
RegulatoryMrequirements
WhatMdocumentsMareMrequiredMperMzone/conduit?M-MCORRECTMANSWERM-
•NameMand/orMuniqueMidentifier
•AccountableMorganization(s)
•DefinitionMofMlogicalMboundary
•DefinitionMofMphysicalMboundary,MifMapplicable
•SafetyMdesignation
•ListMofMallMlogicalMaccessMpoints
•ListMofMallMphysicalMaccessMpoints
•ListMofMdataMflowsMassociatedMwithMeachMaccessMpoint
•ConnectedMzonesMorMconduits
•ListMofMassetsMandMtheirMclassification,McriticalityMandMbusinessMvalue
•SL-T
•ApplicableMsecurityMrequirements
•ApplicableMsecurityMpolicies
•AssumptionsMandMexternalMdependencies
, HowMcanMtheM5D'sMbeMappliedMtoMIACS's?M-MCORRECTMANSWERM-
ByMdevelopingMaMphysicalMandMcybersecurityMprotectionMstrategyMforMeachMzoneM&Mconduit
WhatMshouldMphysicalMandMCybersecurityMprotectionMstrategyMforMeachMzoneM&MconduitMbeMbasedMon?M
-MCORRECTMANSWERM--RiskMassessmentMresults
-TargetMSecurityMLevel
-CybersecurityMRequirementsMSpecification
HowMmanyMSecurityMLevelsM(SLs)MareMdefinedMinMtheMISA/IECM62443Mseries?M-MCORRECTMANSWERM-5
WhatMSecurityMLevelMisMdefinedMasMhavingMnoMspecificMrequirementsMorMsecurityMprotectionMnecessary?
M-MCORRECTMANSWERM-SLM0
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMcasualMorMcoincidentalMviolation?M-
MCORRECTMANSWERM-SLM1
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMintentionalMviolationMusingMsimpleMmeansMwithMl
owMresources,MgenericMskillsMandMlowMmotivation?M-MCORRECTMANSWERM-SLM2
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMintentionalMviolationMusingMsophisticatedMmeansM
withMmoderateMresources,MIACSMspecificMskillsMandMmoderateMmotivation?M-MCORRECTMANSWERM-SLM3
WhatMSecurityMLevelMisMdefinedMasMprotectionMagainstMintentionalMviolationMusingMsophisticatedMmeansM
withMextendedMresources,MIACSMspecificMskillsMandMhighMmotivation?M-MCORRECTMANSWERM-SLM4
WhatMSecurityMLevelM(SL)MisMdefinedMasMtheMsecurityMlevelMreachedMbyMaMzoneMorMconduit?M-
MCORRECTMANSWERM-AchievedMSecurityMLevelM(SL-A)
WhatMSecurityMLevelM(SL)MisMdefinedMasMtheMhighestMsecurityMlevelMobtainableMbyMtheMzone,Mconduit,Mor
Mcomponent?M-MCORRECTMANSWERM-CapabilityMSecurityMLevelM(SL-C)