Spyware Security
To deter spyware, computer users have found a number of techniques useful in addition to installing anti-spyware software.
Many system operators install a web browser other than Microsoft's Internet Explorer (IE), such as Opera or Mozilla Firefox. Though such web browsers have also suffered from some security vulnerabilities, because most users that are likely to fall for spyware aren't using them, these browsers are not targeted as much as Internet Explorer. Not a single browser ranks as safe, because in the case of spyware the security comes with the person who uses the browser.
Some Internet Service Providers — particularly colleges and universities — have taken a different approach to blocking spyware: they use their network firewalls and web proxies to block access to Web sites known to install spyware. On March 31, 2005, Cornell University's Information Technology department released a report detailing the behavior of one particular piece of proxy-based spyware, Marketscore, and the steps the university took to intercept it. Many other educational institutions have taken similar steps against Marketscore and other spyware. Spyware programs which redirect network traffic cause greater technical-support problems than programs which merely display ads or monitor users' behavior, and so may attract institutional attention more readily.
Some users install a large hosts file which prevents the users computer from connecting to known spyware related web addresses. However, by connecting to the numeric IP address, rather than the domain name, spyware may bypass this sort of protection.
Spyware may get installed via certain shareware programs offered for download. Downloading programs only from reputable sources can provide some protection from this source of attack. Recently, CNet revamped its download directory: it has stated that it will only keep files that pass inspection by Ad-Aware and Spyware Doctor.
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