Siddharth Rao (Sid) is a research student guided by Prof. Tuomas Aura in the Secure Systems Group of Aalto University, Finland. He is an Erasmus Mundus student with double master's degrees in Information Security and Cryptography from Aalto University and University of Tartu, Estonia respectively. He started his exploration of security in telecommunication systems at Nokia networks under the guidance of Dr. Silke Holtmanns and Dr. Ian Oliver through his thesis entitled "Analysis and Mitigation of Recent Attacks on Mobile Communication Backend". His current research interests includes location privacy in telecommunication systems and exploitation of Interworking Functions (IWF) to study the signalling systems beyond SS7.