Knowledge Centre
Threat Library
Know what you are up against. Clear, practical explainers on the threats targeting Australian businesses, what they are, how they work, and exactly how to defend against them.
Browse by category or search for a specific threat. Every entry links to the free Cyber Toolkit tools that help you measure and close the gaps it exploits.
- Critical
Business Email Compromise
Email & Social Engineering
Attackers hijack or impersonate a trusted email account to redirect payments and steal funds.
Read the guide - Critical
LockBit
Ransomware
One of the most prolific ransomware-as-a-service operations, known for fast encryption and double extortion.
Read the guide - Critical
Medusa
Ransomware
A ransomware-as-a-service group that uses double extortion and public "name and shame" leak sites.
Read the guide - High
Deepfake Scams
Scams
AI-generated voice or video used to impersonate executives and authorise fraudulent actions.
Read the guide - High
Phishing
Email & Social Engineering
Fraudulent messages that trick staff into revealing credentials, approving payments or installing malware.
Read the guide - High
Supply Chain Attacks
Supply Chain
Attackers breach a trusted supplier or software provider to reach that provider’s customers.
Read the guide - Medium
Insider Threats
Insider
Risk from people inside the business, whether malicious, negligent, or compromised.
Read the guide - Medium
QR Code Scams
Scams
Malicious QR codes that send people to fake login or payment pages, bypassing many email filters.
Read the guide
Ready to strengthen your protection?
Book a free security check and we'll show you where your business stands clear next steps, no jargon, no obligation.
If you are unable to reach us by phone, please email and a member of our team will respond promptly.
Or explore our free security tools — 30+ scanners, checkers and assessments, free with an account.