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Extra help

​The Trusted Information Sharing Network (TISN) is intended for those stakeholders who own or operate Australian-based critical infrastructure.

If you would like to learn more about the TISN, but are not sure where your organisation might sit in the context of critical infrastructure, email us at CIR@homeaffairs.gov.au.

We also recommend that you speak directly with the business who owns or operates the critical infrastructure that you work with. They should be able to provide you with guidance and information about critical infrastructure relevant to your role.