## What Is Ransomware? Ransomware encrypts your files and demands payment to unlock them. It arrives via phishing emails, malicious downloads, or compromised websites. ## Prevention - Never open unexpected email attachments - Keep your OS and software updated - Use reputable antivirus software - Back up your data regularly (3-2-1 rule) - Be cautious with USB drives ## What to Do If Infected 1. Disconnect from the network immediately 2. Do NOT pay the ransom 3. Report it to the Australian Cyber Security Centre (ACSC) 4. Restore from backup 5. Seek professional help — some strains have known decryption keys