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25 February 2005

Security update issued for Firefox web browser, Sophos reports

Firefox
Firefox is increasing in popularity as an alternative to Microsoft Internet Explorer.

Experts at SophosLabs™, Sophos's global network of virus and spam analysis centres, have advised businesses and home users to update their version of the Mozilla Firefox web browser, in order to protect against a number of security vulnerabilities.

Firefox 1.0.1 addresses a number of security flaws involving download dialog boxes and code injection. It has also changed the way it handles International Domain Names (IDN). The IDN vulnerability can help phishers fool users into believing they are visiting a legitimate banking website, rather than a bogus site designed to steal confidential data.

"No web browser is perfect, and anyone who uses the internet has to make sure they stay up-to-date with the latest security patches. The increasing popularity of Firefox will undoubtedly mean that it is targeted by hackers trying to attack its users in future," said Graham Cluley, senior technology consultant for Sophos. "With organised crime increasingly attempting to steal from innocent users through viruses, phishing attacks and spyware, no-one can afford to relax when it comes to security."

More information about the new version of Firefox, which is available for Windows, Mac OS X and Linux, can be found on Mozilla's website.

Firefox is said to have been downloaded by over 25 million people, and has stolen market share from the leading web browser, Microsoft's Internet Explorer.

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