Unlike most web filtering products, MetaCert labels pages via an open standard that can be supported by browsers and plug-ins.
One tool Magid advises parents to use with caution, however, is Web filtering software like Net Nanny or Cybersitter, which block objectionable content online.
What this amounts to is a highly layered security strategy consisting of vital elements that include intrusion prevention, botnet and application control, Web filtering, antispam, and antivirus.
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The Livingston-based web and email filtering company, Bloxx, has been named as the fastest growing in Scotland.
Books lend themselves particularly well to an Internet-selling tool known as "collaborative filtering": Amazon and other Web vendors ask you to name some of your favorite products -- in Amazon's case, the books, authors, or genres you like best -- and then the retailers' software program tells you what other people with similar tastes liked so you can add to your shopping list.
Many filtering programs take a very blunt approach to web-based systems with which currently they cannot adequately deal.
For instance, said Mr Hogan, filtering out e-mail messages that contain a web link can stop about 75% of spam.
Mr Balkam said people should not rely solely on filtering programs to act as a proxy parent controlling web access.
Filtering simply means restricting access, blocking or taking down Web sites.
One part of Google is busy creating indexes of online information while at the same time filtering out "spam, " which in this context means Web sites whose only function is to make money off the fact you land on them, without providing any sort of "value-added" information in the process.
Finally, there is the option of installing a filtering program that limits the type of content a user can access on the Web.
With a majority of retailers today using social media to offer promotions or coupons, a solid Application Control and URL Filtering solution can help mitigate the risks employees may encounter with millions of websites and Web 2.0 applications accessible to users.
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Dotsafe will offer participating schools filtering technology for life, as well as personalized e-mail accounts for every student, a school Web page and the guarantee that there will be no advertising on portal pages.
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