Hossein Siadati is a computer scientist and Sr Security Engineer at Datadog. He specializes in addressing software supply chain security, network security, user authentication and fraud issues using technical and social approaches. He holds a PhD from New York University, 2019, and has published several peer-reviewed papers in top security conferences including CCS, USENIX, and NDSS. Hossein is also a co-author of a security related book (Understanding Social Engineering Based Scams) and a reviewer of security journals. Hossein’s industry experience ranges from Agari (email security Startup acquired by HelpSystems), PayPal, Qualcomm, and Google. Hossein loves nature and is a recent fan of surfing!