Securing yourself and your private information on the internet is fast becoming a very hard thing to do. This is especially the case if you consider yourself a novice or intermediate level user. The following tips should help you in securing your computer and personal information on the internet. 1. Anti-Virus Software Ensure you have anti-virus software installed on your computer. Anti-virus applications are relatively inexpensive these days so there is no excuse for not having on installed on your PC or Mac - That's right, Mac users should have anti-virus installed as well. If you think you can't afford to pay for anti-virus then download the free version of AVG anti-virus software at the very least. 2. Software Firewall Windows XP Service Pack 2, Windows Vista and Mac OS X all have a software firewall installed by default.  They are relatively simple firewalls but should provide you with good level of protection.  Just make sure it's running! - Windows XP firewall info - ...