Sandra Deepthy Siby

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Related publications (5)

CookieGraph: Understanding and Detecting First-Party Tracking Cookies

Sandra Deepthy Siby, Carmela González Troncoso

As third-party cookie blocking is becoming the norm in mainstream web browsers, advertisers and trackers have started to use first-party cookies for tracking. To understand this phenomenon, we conduct a differential measurement study with versus without th ...

Assoc Computing Machinery2023

Protecting privacy through metadata analysis

Sandra Deepthy Siby

Although encryption hides the content of communications from third parties, metadata, i.e., the information attached to the content (such as the size or timing of communication) can be a rich source of details and context. In this dissertation, we demonstr ...

EPFL2022

WEBGRAPH: Capturing Advertising and Tracking Information Flows for Robust Blocking

Sandra Deepthy Siby, Carmela González Troncoso

Users rely on ad and tracker blocking tools to protect their privacy. Unfortunately, existing ad and tracker blocking tools are susceptible to mutable advertising and tracking content. In this paper, we first demonstrate that a state-of-the-art ad and trac ...

USENIX ASSOC2022

Encrypted DNS double right arrow Privacy? A Traffic Analysis Perspective

Narseo Vallina Rodriguez, Sandra Deepthy Siby, Carmela González Troncoso

Virtually every connection to an Internet service is preceded by a DNS lookup. Lookups are performed without any traffic-level protection, thus enabling manipulation, redirection, surveillance, and censorship. To address these issues, large organizations s ...

INTERNET SOC2020

DNS Privacy not so private: the traffic analysis perspective

Sandra Deepthy Siby, Carmela González Troncoso

The Domain Name Service (DNS) is ubiquitous in today’s Internet infrastructure. Almost every connection to an Internet service is preceded by a DNS lookup. A vast majority of DNS queries are sent in plaintext. Thus, they reveal information about the connec ...

2018

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