Guidance
Systems of National Significance (SoNS)
Enhanced cyber security obligations for declared SoNS.
In plain English
This guidance explains enhanced cybersecurity requirements for Systems of National Significance.
The guidance applies to declared Systems of National Significance. These systems are critical to Australia’s security. It outlines cybersecurity obligations. The CISC website provides further information.
Why it matters
If your business is a declared System of National Significance, this guidance is vital. It helps you meet your cybersecurity obligations and protect critical infrastructure.
AI-assisted summary, grounded in the source link below. Generated 2026-05-23 via gemma3:12b.
Issuing regulator
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Source: https://cisc.gov.au. Rules Mate indexes + summarises; always verify against the regulator's live publication.