SSL and TLS are used to secure the most commonly used Internet protocols. As a result, the
ecosystem of SSL certificates has been thoroughly studied, leading to a broad …

Data available on the Web, such as financial data or public reviews, provides a competitive
advantage to companies able to exploit them. Web crawlers, a category of bot, aim at …

We highlight privacy risks associated with the HTML5 Battery Status API. We put special
focus on its implementation in the Firefox browser. Our study shows that websites can …

We describe a web browser fingerprinting technique based on measuring the onscreen
dimensions of font glyphs. Font rendering in web browsers is affected by many factors …

Web cookies have been the subject of many research studies over the last few years.
However, most existing research does not consider multiple crucial perspectives that can …

Over half of all visits to websites now take place in a mobile browser, yet the majority of web
privacy studies take the vantage point of desktop browsers, use emulated mobile browsers …

A tracking flow is a flow between an end user and a Web tracking service. We develop an
extensive measurement methodology for quantifying at scale the amount of tracking flows …

In recent years, we have seen an increased interest in studying the software supply chain of
user-facing applications to uncover problematic third-party dependencies. Prior work shows …

The privacy threats of online tracking have garnered considerable attention in recent years
from researchers and practitioners. This has resulted in users becoming more …

Large-scale Web crawls have emerged as the state of the art for studying characteristics of
the Web. In particular, they are a core tool for online tracking research. Web crawling is an …