Prateek Mittal

SybilFrame: A Defense-in-Depth Framework for Structure-Based Sybil Detection

2015 · arXiv (Cornell University)

Sybil attacks are becoming increasingly widespread, and pose a significant threat to online social systems; a single adversary can inject multiple colluding identities in the system to compromise security and privacy. Recent works have leveraged …

New Directions in Social Authentication

2015

Author(s): Sakshi Jain, Juan Lang, Neil Zhenqiang Gong, Dawn Song, Sreya Basuroy, Prateek Mittal Download: Paper (PDF) Date: 7 Feb 2015 Document Type: Briefing Papers Additional Documents: Slides Associated Event: NDSS Symposium 2015 Abstract: Web …

CLAPS: Client-Location-Aware Path Selection in Tor

2020

Much research has investigated improving the security and performance of Tor by having Tor clients choose paths through the network in a way that depends on the client's location. However, this approach has been demonstrated …

Differentially Private Oblivious RAM

2016 · arXiv (Cornell University)

In this work, we investigate if statistical privacy can enhance the performance of ORAM mechanisms while providing rigorous privacy guarantees. We propose a formal and rigorous framework for developing ORAM protocols with statistical security viz., …

Visual Adversarial Examples Jailbreak Aligned Large Language Models

2023 · arXiv (Cornell University)

Recently, there has been a surge of interest in integrating vision into Large Language Models (LLMs), exemplified by Visual Language Models (VLMs) such as Flamingo and GPT-4. This paper sheds light on the security and …

Augmenting Rule-based DNS Censorship Detection at Scale with Machine Learning

2023

The proliferation of global censorship has led to the development of a plethora of measurement platforms to monitor and expose it. Censorship of the domain name system (DNS) is a key mechanism used across different …