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* Problems over the security of Microsoft's Internet Explorer web browser have prompted many people to try alternatives. One of the most popular is Firefox. However, an IT security company has found two critical flaws in Firefox, which could result in Trojan Horses or key loggers (which monitor keystrokes and allow hackers to access passwords and other personal information) being downloaded on to a computer. Steps are being taken to fix the problem, but it shows that just because you don't use Explorer, doesn't mean you can afford to be smug.

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