Machine Learning
Image Analysis for Efficient Categorization of Image-based Spam E-mail
ICDAR '05 Proceedings of the Eighth International Conference on Document Analysis and Recognition
Rotation Forest: A New Classifier Ensemble Method
IEEE Transactions on Pattern Analysis and Machine Intelligence
Workload models of spam and legitimate e-mails
Performance Evaluation
Exploiting network structure for proactive spam mitigation
SS'07 Proceedings of 16th USENIX Security Symposium on USENIX Security Symposium
IEEE Security and Privacy
Studying spamming botnets using Botlab
NSDI'09 Proceedings of the 6th USENIX symposium on Networked systems design and implementation
Incremental SVM Model for Spam Detection on Dynamic Email Social Networks
CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 04
A study of cross-validation and bootstrap for accuracy estimation and model selection
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 2
Data Mining with Decision Trees: Theroy and Applications
Data Mining with Decision Trees: Theroy and Applications
An Unsupervised Approach for Identifying Spammers in Social Networks
ICTAI '11 Proceedings of the 2011 IEEE 23rd International Conference on Tools with Artificial Intelligence
Towards modeling legitimate and unsolicited email traffic using social network properties
Proceedings of the Fifth Workshop on Social Network Systems
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We present ErDOS, an Early Detection scheme for Outgoing Spam. The detection approach implemented by ErDOS combines content-based detection and features based on inter-account communication patterns. We define new account features, based on the ratio between the numbers of sent and received emails and on the distribution of emails received from different accounts. Our empirical evaluation of ErDOS is based on a real-life data-set collected by an email service provider, much larger than data-sets previously used for outgoing-spam detection research. It establishes that ErDOS is able to provide early detection for a significant fraction of the spammers population, that is, it identifies these accounts as spammers before they are detected as such by a content-based detector. Moreover, ErDOS only requires a single day of training data for providing a high-quality list of suspect accounts.