Daily Threat Briefing: Australia – 31 December 2025

Daily Threat Briefing: Australia – 31 December 2025

As we close out 2025, the Australian cyber threat landscape remains volatile. The last 24 hours have been dominated by the rapid exploitation of the "MongoBleed" vulnerability, with the Australian Cyber Security Centre (ACSC) and global agencies issuing urgent warnings. Simultaneously, the education sector is grappling with fresh data breaches, and critical infrastructure supply chains remain under siege from ransomware syndicates.

Daily Threat Briefing: MongoBleed Critical Alert, Sydney Uni Breach & SaaS Risks

Daily Threat Briefing: MongoBleed Critical Alert, Sydney Uni Breach & SaaS Risks

The last 24 hours have been dominated by urgent warnings from the Australian Cyber Security Centre (ACSC) regarding a massive global exploitation campaign targeting database infrastructure. As we approach the New Year, threat actors are capitalising on skeleton staff schedules to launch high-impact attacks. Today's briefing highlights a critical MongoDB vulnerability, a significant data breach in the Australian education sector, and ongoing pressure on SaaS supply chains.

Daily Threat Briefing: Australia – 29 December 2025

Daily Threat Briefing: Australia – 29 December 2025

The last 24 hours have seen a surge in targeted activity against the Australian Education and IoT sectors, with critical infrastructure devices remaining a primary entry point for threat actors. The Australian Cyber Security Centre (ACSC) has flagged active exploitation of new vulnerabilities in network edge devices, while the 'KillSec' and 'Medusa' ransomware gangs have claimed significant breaches in local organisations.

Weekly Threat Briefing: Australia (21 December – 28 December 2025)

Weekly Threat Briefing: Australia (21 December – 28 December 2025)

As we close out 2025, the Australian cyber threat landscape remains volatile. This week (21–28 December 2025) has been defined by a significant ransomware attack on critical telematics infrastructure, continued fallout from defence supply chain compromises, and a "Perfect 10" severity vulnerability in a widely used web framework. Threat actors are aggressively targeting the convergence of IoT and critical infrastructure, while the Education and FinTech sectors face renewed pressure from data extortion groups. Below is your detailed briefing on the threats impacting Australian organisations this week.

Australian Cyber Threat Briefing: Critical RCEs and Supply Chain Strikes

Australian Cyber Threat Briefing: Critical RCEs and Supply Chain Strikes

The last 24 hours have closed a volatile week for Australian cybersecurity. As we approach the New Year, the threat landscape is dominated by the active exploitation of two critical Remote Code Execution (RCE) vulnerabilities—dubbed "React2Shell" and a severe flaw in WatchGuard Firebox appliances. Simultaneously, targeted ransomware campaigns by emerging groups like Black Shranac and Termite are heavily impacting the Healthcare and FinTech sectors.

THE CREDENTIAL TIME BOMB: Why Long-Lived Cloud Credentials Are Your Biggest Identity Risk in 2025

THE CREDENTIAL TIME BOMB: Why Long-Lived Cloud Credentials Are Your Biggest Identity Risk in 2025

Across AWS, Google Cloud, and Microsoft Azure environments in Australia and globally, 59% of IAM users maintain access keys that have never expired—credentials that have been active for more than one year. These long-lived credentials represent a silent but catastrophic vulnerability in your cloud infrastructure. This blog explores why long-lived credentials have become the primary attack vector for identity-based breaches, how red teams exploit them during penetration tests, and what you must do today to eliminate this ticking time bomb.

Daily Threat Briefing: Australia – 27 December 2025

Daily Threat Briefing: Australia – 27 December 2025

The last 24 hours have highlighted significant volatility in Australia’s cyber threat landscape, with critical infrastructure, healthcare, and education sectors facing intensified pressure. Of particular concern today is the active exploitation of critical vulnerabilities in widely used network security devices and a surge in ransomware activity targeting Australian schools. This briefing breaks down the most urgent threats, exploited vulnerabilities, and strategic risks for Australian organisations observed over the past day.

Daily Threat Briefing: Boxing Day Cyber Spike & Critical Edge Exploits

Daily Threat Briefing: Boxing Day Cyber Spike & Critical Edge Exploits

As Australian organisations operate with skeleton staff over the Boxing Day public holiday, the cyber threat landscape has intensified significantly in the last 24 hours. Threat actors are actively capitalising on reduced monitoring capabilities and the surge in e-commerce traffic. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has escalated warnings regarding critical exploits in edge devices, while the retail and fintech sectors face a barrage of sophisticated API abuse campaigns.

Australian Cyber Threat Briefing: Critical RCEs and Ransomware Targeting SaaS & Education

Australian Cyber Threat Briefing: Critical RCEs and Ransomware Targeting SaaS & Education

As we wrap up the year, the Australian cyber threat landscape has intensified significantly over the last 24 hours. Critical vulnerabilities in widely used network appliances and targeted ransomware campaigns against key sectors—specifically Education, Healthcare, and SaaS providers—demand immediate attention from security teams.

Daily Threat Briefing: Critical WatchGuard Exploits & Holiday Ransomware Spikes – 24 December 2025

Daily Threat Briefing: Critical WatchGuard Exploits & Holiday Ransomware Spikes – 24 December 2025

As we head into the Christmas break, the Australian cyber threat landscape has escalated significantly over the last 24 hours. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has issued a critical alert regarding active exploitation of WatchGuard Firebox devices. This comes alongside a surge in ransomware activity targeting the education and government sectors, with threat actors looking to capitalise on reduced staffing levels during the holiday period.