Security analytics powered by machine-learning (AI) and big-data is transformative. Big-data processing swiftly pinpoints threats, while expanding visibility to get a contextual picture of enterprise risk. It aides security professionals in finding the signal in the noise. This talk will provide; a description of supervised and unsupervised learning algorithms and deep learning using Big-data; What problems big-data is trying to solve; current trends, maturity, and gaps of machine learning; and machine learning in the cybersecurity marketplace.