Install an anti-virus software program, and make sure you keep it up to date. Anti-virus software can help to protect from many types of malware.
To learn more about anti-virus software visit the Australian Cyber Security Centre
Simple rules to follow:
Following a few simple rules will help to protect you.
Use strong password logins for your devices, as well as any online accounts and services you may use.
Keep your devices, programs and operating system up to date to prevent possible exploit attacks.
If using a home WiFi network, have a strong password and update it regularly.
Avoid doing online banking or other tasks that require personal information when using public computers or WiFi hotspots.
Be on the lookout for emails asking for personal information, even if they look genuine.
Never open email attachments from a source you don’t recognise or are ensure of.
Avoid downloading suspicious files when online.
Other useful links:
Australian Competition and Consumer Commission