Inh.: Dr. Renate Gorre
Fon: +49 (0)7533 97227
Fax: +49 (0)7533 97228
edited by Roger Wattenhofer
A Multifaceted Approach with the Spamato Filter System.
1st edition/1. Aufl. 2007, 150 pages/Seiten, € 64,00. ISBN 3-86628-126-9
Email is undoubtedly one of the most important applications used to communicate over the Internet. Unfortunately, the email service lacks a crucial security mechanism: It is possible to send emails to arbitrary people without revealing one's own identity. Additionally, sending millions of emails costs virtually nothing. Hence over the past years, these characteristics have facilitated and even boosted the formation of a new business branch that advertises products and services via unsolicited bulk emails, better known as spam.
Nowadays, spam makes up more than 50% of all emails and thus has become a major vexation of the Internet experience. Although this problem has been
dealt with for a long time, only little success (measured on a global scale) has been achieved so far. Fighting spam is a cat and mouse game where spammers and anti-spammers regularly beat each other with sophisticated techniques of increasing complexity. While spammers try to bypass existing spam filters, anti-spammers seek to detect and block new spamming tricks as soon as they emerge.
In this dissertation, we describe the Spamato spam filter system as a multifaceted approach to help regain a spam-free inbox. Since it is impossible to foresee future spam creation techniques, it is important to react quickly to their development. Spamato addresses this challenge in two ways. First, it has been designed to simplify the integration of multiple spam filters. By combining their different capabilities, a joint strike against spam promises the detection of more harmful messages than any individual solution could achieve. And second, we actively support collaborative spam filters that harness the collective knowledge of participating users. Such filters are therefore capable of learning about and eliminating new types of spam messages at an early stage.
About the author:
Keno Albrecht received his M.Sc. degree in computer science (Dipl.-Inform.) from the University of Dortmund, Germany in 2002. In the same year he joined the Distributed Computing Group of Professor Roger Wattenhofer at ETH Zurich, Switzerland, as a Ph.D. student and research assistant. In 2006 he earned his Ph.D. degree for his work on spam filtering.
Keywords: spam, spam filter, Internet, email, security, spammer, anti-spammers, Spamato spam filter system
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