Traffic Analysis with Deep Learning
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Deep Neural Networks (DNN) has obtained enormous attention with its advantageous feature learning and its powerful prediction ability. In this paper, we broadly study the applicability of deep learning to traffic analysis and present its effectiveness on the feature extraction for state-of-the-art machine learning algorithms, website and keyword fingerprinting attacks, and the prediction on the fingerprintability of websites. To the best of our knowledge, this is the first extensive work to introduce various applications using DNN in traffic analysis. With great help of DNN, the quality of cutting edge website fingerprinting attacks is upgraded while the feature dimension becomes much lower. As the classifiers, DNN successfully detects which website the user visited among 100 websites with 91 background websites, and as the fingerprintability predictors, it almost perfectly determines the fingerprintability of 4,500 website traffic instances with 99
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