Jinqiao Shi

FraudNE: a Joint Embedding Approach for Fraud Detection

2018

Detecting fraudsters is a meaningful problem for both users and e-commerce platform. Existing graph-based approaches mainly adopt shallow models, which cannot capture the highly non-linear relationship between vertexes in a bipartite graph composed of users …

Napping Guard: Deanonymizing Tor Hidden Service in a Stealthy Way

2020

In this paper, we propose the Napping Guard attack which can deanonymize hidden services in a stealthy way. The key insight of our method is utilizing a design flaw of hidden service's requests to build …