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Thursday, 25 July, 2002, 10:21 GMT 11:21 UK
Keeping your cyber self safe and sound
![]() Be careful what you do with that keyboard online
Unless you take precautions you could find your computer is infected by viruses, have your personal details shared with all and sundry and find your e-mail inbox clogged with adverts you never asked for. But it is quite easy to make you and your computer much less vulnerable to these dangers. Ultimate sanction One of the easiest ways to avoid many common problems is to stop using Microsoft software. Microsoft has become a target because its software is so ubiquitous. The vast majority of viruses, browser vulnerabilities and exploits are aimed at Microsoft software and if you stop using them you would avoid many of them.
Almost as good would be to stop using Microsoft programs to read your e-mail, browse the web or run a web server. There are plenty of alternatives to Internet Explorer, Outlook and Microsoft's Internet Information Server that work just as well. Many are free and can be downloaded via the web or found on the cover disks that adorn many computer magazines. If you cannot bear to part with Microsoft programs, then at least make sure that you install the latest security patches for vulnerabilities in Internet Explorer, Outlook and IIS and other programs such as its instant messenger. You should not be without anti-virus software and must ensure that it is kept up to date. If you have a broadband net connection, get a firewall. Many are free and all should stop people finding and compromising your PC. They can also stop programs you use sharing information about you and your machine without your permission. If you are worried about forgetting passwords or exposing them unnecessarily, it might be worth using a password safe. This piece of software puts them in one location, though it is protected by yet another password. Message log Using e-mail is fraught with peril. The basic rule is to be suspicious of anything unexpected. Do not click on messages from strangers bearing attachments. Many of the most successful viruses hide in the add-on files.
For the sake of your privacy, it is worth maintaining several separate e-mail addresses for the different things you do online. Keep the one you use to swap messages with those close to you separate from any that you use in discussion groups or instant message systems. If you have your own webpage avoid putting your personal e-mail address on it. Companies that send spam, or unsolicited commercial e-mail, regularly harvest e-mail addresses from anywhere they can find them. It is easy to drop a disposable address if it becomes a source of spam. With a few addresses it is also easier to spot who has been selling it on. Avoid responding to spam that assures you it will remove you from the mailing list. By responding you show the address is live and it could attract more unwanted mail. You and yours Dropping Microsoft will help protect your privacy a little, the rest is up to you. The most important thing to remember is that when browsing do not surrender personal information unnecessarily.
These sites simply do not have good reasons for collecting personal information and you should avoid giving it where possible. You can check you are not leaking information inadvertently by visiting a site that reveals what your browser says about you. The same sites have a host of resources and tools that let you plug the holes. One of the most useful to get is a program that lets you see and manage cookies - the small text files that many websites use to identify you. Most cookies are helpful and let you bypass sign-on screens but others just keep an eye on your web habits. It might also be worth getting a credit card with a low limit for your online purchases.
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See also:
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