ISA 62443 IC34 THE IACS CYBERSECURITY
LIFECYCLE QUESTIONS WITH CORRECT
ANSWERS 2025
WhatUisUphaseU1UofUtheUIACSUCybersecurityULifeUCycle?U-UCORRECTUANSWERU-Assess
WhatUisUphaseU2UofUtheUIACSUCybersecurityULifeUCycle?U-UCORRECTUANSWERU-DevelopU&UImplement
WhatUisUphaseU3UofUtheUIACSUCybersecurityULifeUCycle?U-UCORRECTUANSWERU-Maintain
WhenUareUcountermeasuresUareUimplementedUtoUmeetUtheUTargetUSecurityULevelU(SL-T)?U-
UCORRECTUANSWERU-DuringUtheUDevelopU&UImplementUphaseUofUICSUsecurityUimplementation
WhatUisUtheUprimaryUgoalUofUtheUMaintainUphaseUinUICSUsecurityUimplementation?U-UCORRECTUANSWERU-
ToUensureUtheUAchievedUSecurityULevelU(SL-A)UisUequalUtoUorUbetterUthanUtheUTargetUSecurityULevelU(SL-
T).*
WhatUisUstepU1UofUtheUIACSUCybersecurityULifeUCycleU(AssessUPhase)?U-UCORRECTUANSWERU-High-
LevelUCyberURiskUAssessment
WhatUisUstepU2UofUtheUIACSUCybersecurityULifeUCycleU(AssessUPhase)?U-UCORRECTUANSWERU-
AllocationUofUIACSUAssetsUtoUSecurityUZonesUorUConduits
WhatUisUstepU3UofUtheUIACSUCybersecurityULifeUCycleU(AssessUPhase)?U-UCORRECTUANSWERU-
DetailUCyberURiskUAssessment
WhatUisUstepU4UofUtheUIACSUCybersecurityULifeUCycleU(DevelopU&UImplementUPhase)?U-
UCORRECTUANSWERU-CybersecurityURequirementsUSpecification
WhatUisUstepU5UofUtheUIACSUCybersecurityULifeUCycleU(DevelopU&UImplementUPhase)?U-
UCORRECTUANSWERU-DesignUandUengineeringUofUCybersecurityUcountermeasures
LIFECYCLE QUESTIONS WITH CORRECT
ANSWERS 2025
WhatUisUphaseU1UofUtheUIACSUCybersecurityULifeUCycle?U-UCORRECTUANSWERU-Assess
WhatUisUphaseU2UofUtheUIACSUCybersecurityULifeUCycle?U-UCORRECTUANSWERU-DevelopU&UImplement
WhatUisUphaseU3UofUtheUIACSUCybersecurityULifeUCycle?U-UCORRECTUANSWERU-Maintain
WhenUareUcountermeasuresUareUimplementedUtoUmeetUtheUTargetUSecurityULevelU(SL-T)?U-
UCORRECTUANSWERU-DuringUtheUDevelopU&UImplementUphaseUofUICSUsecurityUimplementation
WhatUisUtheUprimaryUgoalUofUtheUMaintainUphaseUinUICSUsecurityUimplementation?U-UCORRECTUANSWERU-
ToUensureUtheUAchievedUSecurityULevelU(SL-A)UisUequalUtoUorUbetterUthanUtheUTargetUSecurityULevelU(SL-
T).*
WhatUisUstepU1UofUtheUIACSUCybersecurityULifeUCycleU(AssessUPhase)?U-UCORRECTUANSWERU-High-
LevelUCyberURiskUAssessment
WhatUisUstepU2UofUtheUIACSUCybersecurityULifeUCycleU(AssessUPhase)?U-UCORRECTUANSWERU-
AllocationUofUIACSUAssetsUtoUSecurityUZonesUorUConduits
WhatUisUstepU3UofUtheUIACSUCybersecurityULifeUCycleU(AssessUPhase)?U-UCORRECTUANSWERU-
DetailUCyberURiskUAssessment
WhatUisUstepU4UofUtheUIACSUCybersecurityULifeUCycleU(DevelopU&UImplementUPhase)?U-
UCORRECTUANSWERU-CybersecurityURequirementsUSpecification
WhatUisUstepU5UofUtheUIACSUCybersecurityULifeUCycleU(DevelopU&UImplementUPhase)?U-
UCORRECTUANSWERU-DesignUandUengineeringUofUCybersecurityUcountermeasures