In the last decade, cybercrime has risen considerably. One key factor is the proliferation of
online cybercrime communities, where actors trade products and services, and also learn …

Legislators and policymakers worldwide are debating options for suppressing illegal,
harmful and undesirable material online. Drawing on several quantitative data sources, we …

Information security has undoubtedly become a critical aspect of modern cybersecurity
practices. Over the past half-decade, numerous academic and industry groups have sought …

Underground cybercrime forums have numerous discussion boards where users interact
with each other. The majority of the topics revolve around technology, but a substantial …

Underground forums serve as hubs for cybercriminal activities, offering a space for
anonymity and evasion of conventional online oversight. In these hidden communities …

We introduce ExtremeBB, a textual database of over 53.5 M posts made by 38.5 k users on
12 extremist bulletin board forums promoting online hate, harassment, the manosphere and …

We investigate the criminal market dynamics of infostealer malware and publish three
evidence datasets on malware infections and trade. We justify the value chain between illicit …

In this paper, we develop a language-agnostic methodology to extract features of interest to
an analyst from forum posts and visualize them in a way which facilitates identification and …

In the realm of cybersecurity, identifying and mitigating the exploitation of vulnerabilities is
crucial. Building on prior research that analyzes underground hacking forums, this study …

Ransomware attacks and the use of the dark web forums are two serious contemporary
cyber-problems. These two areas have been investigated separately in the past, but there is …