Interfaces increasingly mimic human social behaviours. Beyond prototypical examples like
chatbots, basic automated systems like app notifications or self-checkout machines likewise …

Targeted advertising remains an important part of the free web browsing experience, where
advertisers' targeting and personalization algorithms together find the most relevant …

Mobile apps enable ad networks to collect and track users. App developers are given
“configurations” on these platforms to limit data collection and adhere to privacy regulations; …

Web crawlers are tools widely used in web security measurements whose performance and
impact have been limitedly studied so far. In this paper, we bridge this gap. Starting from the …

Targeted online advertising is a well-known but extremely opaque phenomenon. Though
the targeting capabilities of the ad tech ecosystem are public knowledge, from an outside …

The prevalence and spread of online misinformation during the 2020 US presidential
election served to perpetuate a false belief in widespread election fraud. Though much …

On the modern web, trackers and advertisers frequently construct and monetize users'
detailed behavioral profiles without consent. Despite various studies on web tracking …

Ad-tech enables publishers to programmatically sell their ad inventory to millions of demand
partners through a complex supply chain. The complexity and opacity of the ad-tech supply …

The idea of professionalization of election campaigning has in recent times been challenged
both by rapid digital and social media developments, and by the growth of populist …

The streaming content that we choose to watch can reveal much about our thoughts,
opinions, and interests. An adversary capable of determining what users watch therefore …