(02) 6264 1111 Sections Critical Infrastructure Security CentreCritical Infrastructure, Risk and RegulationCritical Infrastructure Regulatory Operations and AnalysisRegulatory ComplianceAusCheckRisk AssessmentCritical Infrastructure Partnerships and PolicyCritical Infrastructure Security PolicyScreening and Maritime Security PolicyAviation Security PolicySystems of National SignificanceResilience and Protective SecurityProtective Security Coordination CentreCommonwealth Security PolicyProtective SecurityNational Protection Model DevelopmentNational ResilienceResilience and Protective SecurityProtection Security Coordination CentreCommonwealth Security PolicyProtective SecurityNational Resilience Key People Deputy Secretary Critical Infrastructure and Protective Security Mr. Brendan Dowling Last updated: 31 July 2025