Resources and contact information

​​​​​​​​​​​​​​​​​​​​​​​​​Contact u​​s

If you need urgent help and assistance during:

Our Resources page also provides links to useful documents and other Australian and international government departments and agencies which can help you in managing critical infrastructure security and resilience.​​​​​


​Call us on 1300 272 524 ​(Monday - Friday 9:00am - 5:00pm AEST).​

​If you have a hearing or speech impairment, use the National Relay Service. Provide them with 1300 272 524 as the number you would like to call.​​​

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Enquiry type​​Email address​​
​Critical Infrastructure Enquiriesenquiries@CISC.gov.au
​Critical Infrastructure Reforms Enquiries
​Critical Infrastructure Engagement Enquiries
​AusCheck (background checking, and ASIC/MSIC Discretionary Cards)
​Aviation & Maritime Security Enquiries (Critical Infrastructure reform)
​​Department of Home Affairs ASIC and MSIC Applicationsissuingbody@homeaffairs.gov.au

Telecommunications Sector Security​

To submit a TSSR Notification, Security Capability Plan, or an application for an Exemption from the Notification Obligation, please submit through the TSS submission form.

For all general enquiries, please submit through the TSS enquiry form. Industry stakeholders may also contact us at telco.security@homeaffairs.gov.au for all general enquiries regarding your TSSR obligations.​​​