29 citations · 92 across the 15 of their papers we have counts for
7 papers · 1 filter
Strategies and Vulnerabilities of Participants in Venezuelan Influence Operations
Ruben Recabarren, Bogdan Carbunar, Nestor Hernandez +1
Studies of online influence operations, coordinated efforts to disseminate and amplify disinformation, focus on forensic analysis of social networks or of publicly available datase…
Search Rank Fraud De-Anonymization in Online Systems
Mizanur Rahman, Nestor Hernandez, Bogdan Carbunar +1
We introduce the fraud de-anonymization problem, that goes beyond fraud detection, to unmask the human masterminds responsible for posting search rank fraud in online systems. We c…
AbuSniff: Automatic Detection and Defenses Against Abusive Facebook Friends
Sajedul Talukder, Bogdan Carbunar
Adversaries leverage social network friend relationships to collect sensitive data from users and target them with abuse that includes fake news, cyberbullying, malware, and propag…
A Longitudinal Study of Google Play
Rahul Potharaju, Mizanur Rahman, Bogdan Carbunar
The difficulty of large scale monitoring of app markets affects our understanding of their dynamics. This is particularly true for dimensions such as app update frequency, control…
Stateless Puzzles for Real Time Online Fraud Preemption
Mizanur Rahman, Ruben Recabarren, Bogdan Carbunar +1
The profitability of fraud in online systems such as app markets and social networks marks the failure of existing defense mechanisms. In this paper, we propose FraudSys, a real-ti…
FairPlay: Fraud and Malware Detection in Google Play
Mahmudur Rahman, Mizanur Rahman, Bogdan Carbunar +1
Fraudulent behaviors in Google Android app market fuel search rank abuse and malware proliferation. We present FairPlay, a novel system that uncovers both malware and search rank f…
Spotting Suspicious Reviews via (Quasi-)clique Extraction
Paras Jain, Shang-Tse Chen, Mozhgan Azimpourkivi +2
How to tell if a review is real or fake? What does the underworld of fraudulent reviewing look like? Detecting suspicious reviews has become a major issue for many online services.…