Some security risks are sneakier than others. So sneaky, in fact, that you might not ever realise they're there. But luckily, there are some simple, and free tools to make sure you're not being spied on.
'Spyware' is a general term for programs that hide in your computer and invade your privacy. They gather data about you and send it over the internet without your permission. Sometimes, this data can hijack your web browser and display unwanted pop-up advertising on your computer.
At best, it can slow down your computer and internet connection; at worst, it can pass on confidential information like credit card numbers and passwords to criminals.
Sometimes it gets installed alongside another program (typically peer-to-peer file sharing programs used to download music over the internet). Therefore, it is necessary to read the small print with programs very carefully to see what you are agreeing to do. Sometimes spyware simply installs itself without you giving any permission. In most cases, spyware is very difficult to remove without anti-spyware software.
Yes. And potentially more dangerous if it captures all your key strokes, but not all spyware programs will be picked up by anti-virus software or stopped by a firewall.
Typical symptoms include a slow computer or internet connection, unexpected changes to your web browser and unwanted pop-up adverts. Some spyware is designed to stay completely undetected while it scans for private information, so the best way to play safe is to use anti-spyware software and to scan regularly.
If you're running Windows XP or Vista then we recommend downloading the Microsoft Defender anti-spyware program, which is available free from Microsoft security.
Other options include:
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