7 papers
Cross-National Information Attacks: A Two-Decade Analysis of Troll Behavior in Korea
Jaehong Kim, Hyeonseung Kim, Jiseon Kim +4
Coordinated foreign influence operations pose a growing threat to online platforms, but detecting state-linked troll activity and tracking its evolution remain challenging. This pa…
The Capability Paradox: How Smarter Auditors Make Multi-Agent Systems Less Secure
Qiqi Liu, Thorsten Holz, Shilin Ye +1
Multi-agent systems extend large language models (LLMs) by decomposing tasks among specialized agents, but their distributed decision process creates new attack surfaces. We identi…
Pirates of Charity: Exploring Donation-based Abuses in Social Media Platforms
Bhupendra Acharya, Dario Lazzaro, Antonio Emanuele Cinà +1
With the widespread use of social media, organizations, and individuals use these platforms to raise funds and support causes. Unfortunately, this has led to the rise of scammers i…
An Explorative Study of Pig Butchering Scams
Bhupendra Acharya, Thorsten Holz
In the recent past, so-called pig-butchering scams are on the rise. This term is based on a translation of the Chinese term "Sha Zhu Pan", where scammers refer to victims as "pig"…
ScamChatBot: An End-to-End Analysis of Fake Account Recovery on Social Media via Chatbots
Bhupendra Acharya, Dominik Sautter, Muhammad Saad +1
Social media platforms have become the hubs for various user interactions covering a wide range of needs, including technical support and services related to brands, products, or u…
Exploration of the Dynamics of Buy and Sale of Social Media Accounts
Mario Beluri, Bhupendra Acharya, Soheil Khodayari +3
There has been a rise in online platforms facilitating the buying and selling of social media accounts. While the trade of social media profiles is not inherently illegal, social m…