CI-ISAC monitors every critical infrastructure and essential service sector in real time. Our members receive intelligence specific to their sector but also benefit from early visibility into others.
CI-ISAC members operate across the full set of regulated sectors, also local government.
Carriers and carriage service providers, whose outages cascade into every other sector within minutes.
Providers holding critical data on behalf of other operators, where one compromise reaches many customers at once.
Suppliers to Defence, targeted for the intellectual property and the access they hold.
Generation, transmission, distribution and retail, where operational technology and corporate IT increasingly meet.
Banks, insurers, superannuation funds, payment providers, regulators and market operators. See the Finance Cyber Sharing Network below.
Processing, distribution and retail networks that run on thin margins and tight logistics windows.
Hospitals, pathology, primary care and medical device operators. See the Health Cyber Sharing Network below.
Universities and research institutions, holding research data and operating some of the most open networks in the country.
Ground segment and satellite operators supporting positioning, timing and communications that other sectors depend on.
Aviation, maritime, rail and freight, where scheduling systems and port logistics are recurring targets.
Utilities running distributed control systems across large geographies with small security teams.
Councils sit outside the SOCI Act, yet they run water, waste, roads and community services that residents treat as critical.
Health is CI-ISAC's largest sector. The HCSN was funded through a grant from the Australian Department of Home Affairs to prove that public and private health organisations could work together through, and benefit from, a dedicated cyber intelligence sharing capability.
The HCSN addresses a gap outlined in the 2023-2030 Australian Cyber Security Strategy. Health is the least mature sector while being the most heavily targeted by threat actors. Patient data is valuable to attackers and hospital operations are a public safety matter, so the consequence of a compromise is measured differently here.
To lift the maturity of the sector, HCSN members have adopted a collective defence posture to act with purpose using the full suite of CI-ISAC capabilities. These include advisories, briefings, trend analysis scoped to hospitals, pathology, primary care, and medical device environments. Members collaborate on supply chain risk and leverage our full cyber defence capabilities.
60+
600+
3
$6.4m
Announcements
November 4, 2026
On 15 October 2026, the Australian Signals Directorate (ASD) published ASD Essentials as the evolution of their Essential Eight (E8) framework
Learn More.webp)
Informational
November 4, 2026
AI-enabled consumer wearables have moved beyond far-fetched gadgets into something people use in everyday life, from your local barista to the stranger next to you on the train.
Learn More.webp)
Informational
November 4, 2026
The Gentlemen is an established criminal ransomware-as-a-service syndicate with a differentiated pricing model: taking a smaller margin from its affiliates.
Learn MoreHealth-specic vulnerability advisories, Analyst-on-Demand, information sharing forums, training, and briefings scoped to your environment
Financial services has become one of the most targeted sectors in Australia. We have recorded the sector's share of observed attacks as rising from 2% at the start of 2025 to 12% by the end of the year, with tradecraft shifting from opportunistic phishing to credential theft, edge-appliance exploitation and supply-chain compromise.
CI-ISAC has roots in the learnings from the financial services sector and is working to help uplift the cyber defences of many of the country's most-established superannuation funds.
12%
6x
$6.3m
1 in 5
Announcements
October 28, 2026
On 15 October 2026, the Australian Signals Directorate (ASD) published ASD Essentials as the evolution of their Essential Eight (E8) framework
Learn MoreInformational
September 3, 2026
AI-enabled consumer wearables have moved beyond far-fetched gadgets into something people use in everyday life, from your local barista to the stranger next to you on the train.
Learn MoreInformational
August 28, 2026
The Gentlemen is an established criminal ransomware-as-a-service syndicate with a differentiated pricing model: taking a smaller margin from its affiliates.
Learn MoreFinance-specific vulnerability advisories, Analyst-on-Demand, information sharing forums, trainings, and briefings scoped to your environment.