Search spam is an attack on search engines’ ranking algorithms to promote spam links into top search ranking that they do not deserve. Cloaking is a wellknown search spam technique in which spammers serve one page to search-engine crawlers to optimize ranking, but serve a different page to browser users to maximize potential profit. In this experience report, we investigate a different and rela...

In recent years anti-spam filters have become necessary tools for Internet service providers to face up to the continuously growing spam phenomenon. Current server-side anti-spam filters are made up of several modules aimed at detecting different features of spam e-mails. In particular, text categorisation techniques have been investigated by researchers for the design of modules for the analys...

We discuss how the interaction between spam senders and e-mail users can be modelled as a two-player adversary game. We show how the resulting model can be used to predict the strategies that the two opponent communities will eventually adopt, and how it can be employed to tune anti-spam filters.

With the rapid increase of spam on Internet and diversification its forms, how to quickly effectively identify a large number has become an urgent topic. Cloud computing obvious advantages in storage processing, so it can calculate amount mail data. Due uncertainty life cycle spam, feedback re-judgment is added anti-spam system, text filtering system based active learning with four stages train...

Current studies on spam evolution usually extract evolution patterns and trends by analyzing historical spam message corpora. In this paper, we propose a novel methodology that incorporates spam filters to the spam trend analysis, as they are the agents that may force spammers to change their tactics. Moreover, filters also evolve over time and different filter releases present different charac...

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 ...

Unsolicited Commercial Communication also known as spam has traditionally been the most visible e-mail threat and has reached a point where it creates a major problem for the development of ecommerce and the information society. It is currently estimated that 60 per cent of all email messages are spam. The United States, Australia, Canada, European Union including the United Kingdom have all re...

Purpose The Web provides its users with abundant information. Unfortunately, when a Web search is performed, both users and search engines must deal with an annoying problem: the presence of spam documents that are ranked among legitimate ones. The mixed results downgrade the performance of search engines and frustrate users who are required to filter out useless information. To improve the qua...

Spam, or unsolicited e-mail, has become a tremendous problem in recent years, evolving from being a minor nuisance as late as year 2000 to today comprising on average over 80% of all enterprise e-mail traffic and costing billions of dollars in lost productivity worldwide. It has become the parasite that infected the e-mail macrocosm and many now fear will lead to its destruction; the host becom...