activity
20132022
most citedCamera Based Two Factor Authentication Through Mobile and Wearable Devices

29 citations · 36 across the 5 of their papers we have counts for

collaborators

12 papers

cs.SI20221 cited

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…

cs.CR2021

Toward Uncensorable, Anonymous and Private Access Over Satoshi Blockchains

Ruben Recabarren, Bogdan Carbunar

Providing unrestricted access to sensitive content such as news and software is difficult in the presence of adaptive and resourceful surveillance and censoring adversaries. In thi…

cs.CR2019

Private and Atomic Exchange of Assets over Zero Knowledge Based Payment Ledger

Zhimin Gao, Lei Xu, Keshav Kasichainula +3

Bitcoin brings a new type of digital currency that does not rely on a central system to maintain transactions. By benefiting from the concept of decentralized ledger, users who do…

cs.CR2018

Tithonus: A Bitcoin Based Censorship Resilient System

Ruben Recabarren, Bogdan Carbunar

Providing reliable and surreptitious communications is difficult in the presence of adaptive and resourceful state level censors. In this paper we introduce Tithonus, a framework t…

cs.SI2018

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…

cs.SI2018

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…