Multi-Dimensional Anomalous Entity Detection via Poisson Tensor Factorization
Multi-Dimensional Anomalous Entity Detection via Poisson Tensor Factorization
As the attack surfaces of large enterprise networks grow, anomaly detection systems based on statistical user behavior analysis play a crucial role in identifying malicious activities. Previous work has shown that link prediction algorithms based on non-negative matrix factorization learn highly accurate predictive models of user actions. However, most statistical …