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Entries from November 2020

Addressing the shortcoming of machine-learning for security

In a previous post I wrote about cases in which machine-learning adds little to the reliability of security tools, because it often does not react well to novel threats. In this post I will share a thought about overcoming the limitation of machine-learning, by properly augmenting it with other methods. The challenge we tackle is not that of finding additional methods of detection, as we assume such are already known and deployed in other systems. The challenge we tackle is of how to combine traditional detection methods with those based on machine-learning, in a way that yields the best overall results. As promising as machine-learning (and artificial intelligence) is, it is less effective when deployed in silo (not in combination with existing technologies), and hence the significance of properly marrying the two.

I propose to augment the data used in machine-learning with tags that come from other, i.e., traditional, classification algorithms. More importantly, I suggest distinguishing between the machine-learning-based assessment component and the decision component, and using the tagging in both components, independently.

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