Australian Signals Directorate

Cyber Threat Report(Annual%20Security%20Reports/2025/ASD-Cyber-Threat-Report-2025.pdf) (2025) - Analyzes the Australian cyber threat landscape for 2023-2024, focusing on state actors, critical infrastructure attacks, cybercrime, hacktivism, and national resilience efforts. Key findings highlight a significant increase in ransomware attacks targeting critical infrastructure and a concerning rise in hacktivism motivated by geopolitical events.