In order to evaluate the prevalence of security and privacy practices on a representative
sample of the Web, researchers rely on website popularity rankings such as the Alexa list …

With more than 350 million active domain names and at least 200,000 newly registered
domains per day, it is technically and economically challenging for Internet intermediaries …

The Domain Name System (DNS) is a critical component of the Internet, and as such it is
widely relied upon by a large part of the world. Consequently, it can be abused for multiple …

Sound research practices are the foundation of valid, reliable, and trustworthy research
results. In the context of web security research, the importance of measurements that yield …

Abstract The Domain Name System (DNS) plays a pivotal role in the architecture of the
Internet, translating human-readable domain names into machine-readable IP addresses …

Phishing involves disguising oneself as a trustworthy entity in electronic communication, for
example, by pretending to send e-mail on behalf of a company. Phishing e-mails can be …

With the immense growth of internet traffic, gathering data about it has become increasingly
worthwhile for companies and academics alike. One valuable kind of data concerns domain …

This dissertation is concerned with exploring how corporations can mitigate security threats
from the Internet. The described research delves into two distinct topics. First, we improve on …