text spam
RSS text spamGoogle grabs ReCaptcha for security and book-scanning
News ReCaptcha is an offshoot of Carnegie Mellon University's School of Computer Science, and puts a twist on the traditional captcha: a string of letters in squiggly text meant to confuse spam bots and other... [17 Sep 2009]
Spam Filtering Based on the Analysis of Text Information Embedded Into Images
White Paper This paper proposes an approach to anti-spam filtering which exploits the text information embedded into images sent as attachments. In recent years anti-spam filters have become... [01 Jul 2009]
Using Visual Features for Anti-Spam Filtering
White Paper However, as spammers' techniques continue to evolve and the genre of email content becomes more and more diverse, text-based anti-spam approaches alone are no longer sufficient. This paper proposes a... [01 Jul 2009]
Improved Spam Filtering by Extraction of Information From Text Embedded Image e-Mail
White Paper The increase of image spam, a kind of spam in which the text message is embedded into an attached image to defeat spam filtering techniques, is becoming an increasingly... [01 Jul 2009]
SpamBlocker: Combining NLP and Genetic Algorithms to Improve Spam Defence Efficiency
White Paper Many anti-spam systems treat email text as generic and are inadaptable to individual user preferences. The problem of differentiating solicited email from spam email for millions of... [01 Jul 2009]
Spam Filtering Using Statistical Data Compression Models
White Paper Spam filtering poses a special problem in text categorization, of which the defining characteristic is that filters face an active adversary, which constantly attempts to evade filtering. Since... [01 Jul 2009]
Web Spam Challenge 2007 Track II Secure Computing Corporation Research
White Paper To discriminate spam Web hosts/pages from normal ones, text-based and link-based data are provided for Web Spam Challenge Track II. Given a small part of labeled nodes (about 10%) in a... [01 Jul 2009]
Detecting Image Spam Using Local Invariant Features and Pyramid Match Kernel
White Paper Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. This paper extracts local invariant features of images and... [01 Jul 2009]
Learning Fast Classifiers for Image Spam
White Paper Recently, spammers have proliferated "Image spam", emails which contain the text of the spam message in a human readable image instead of the message body, making detection by... [01 Jul 2009]
Learning to Detect Spam: Naive-Euclidean Approach
White Paper A method is proposed for learning to classify spam and non-spam emails. The proposed spam detection learner was found to be extremely fast in recognition and with good error rates. Each... [01 Jul 2009]
Relaxed Online SVMs for Spam Filtering
White Paper Spam is a key problem in electronic communication, including large-scale email systems and the growing number of blogs. Content-based filtering is one reliable method of combating this threat in its various forms, but... [01 Jul 2009]
Measurement and Classification of Humans and Bots in Internet Chat
White Paper Chat bots target popular chat networks to distribute spam and malware. The different types of chat bots use different triggering mechanisms and text obfuscation techniques. The abuse of chat services by... [01 Jul 2009]
Detecting Known and New Salting Tricks in Unwanted Emails
White Paper Spam and phishing emails are not only annoying to users, but are a real threat to internet communication and web economy. To this end, it compares the simulated perceived email message text generated by... [01 Jul 2009]
BitDefender Lab Publishes First E-Threats Landscape Report
White Paper In terms of spam media and techniques, the most notable trend that BitDefender's security analysts tracked in the first half of 2008 was the revival of text-based spam, which reached 70... [29 Jun 2009]
Mobile directory - invasion of privacy or invaluable service?
Comment This charge may allay customers' fears that this service will simply provide another method for companies to provide spam marketing. Connectivity does enable individuals to use a free 'opt out' of their service by... [25 Jun 2009]
