103 citations · 123 across the 4 of their papers we have counts for
8 papers
A Survey on Ethereum Systems Security: Vulnerabilities, Attacks and Defenses
Huashan Chen, Marcus Pendleton, Laurent Njilla +1
The blockchain technology is believed by many to be a game changer in many application domains, especially financial applications. While the first generation of blockchain technolo…
Exploring the Attack Surface of Blockchain: A Systematic Overview
Muhammad Saad, Jeffrey Spaulding, Laurent Njilla +4
In this paper, we systematically explore the attack surface of the Blockchain technology, with an emphasis on public Blockchains. Towards this goal, we attribute attack viability i…
Countering Selfish Mining in Blockchains
Muhammad Saad, Laurent Njilla, Charles Kamhoua +1
Selfish mining is a well known vulnerability in blockchains exploited by miners to steal block rewards. In this paper, we explore a new form of selfish mining attack that guarantee…
Triad-NVM: Persistent-Security for Integrity-Protected and Encrypted Non-Volatile Memories (NVMs)
Amro Awad, Laurent Njilla, Mao Ye
Emerging Non-Volatile Memories (NVMs) are promising contenders for building future memory systems. On the other side, unlike DRAM systems, NVMs can retain data even after power los…
Enabling Cooperative IoT Security via Software Defined Networks (SDN)
Garegin Grigoryan, Yaoqing Liu, Laurent Njilla +2
Internet of Things (IoT) is becoming an increasingly attractive target for cybercriminals. We observe that many attacks to IoTs are launched in a collusive way, such as brute-force…
A Reputation-based Stackelberg Game Model to Enhance Secrecy Rate in Spectrum Leasing to Selfish IoT Devices
Fatemeh Afghah, Alireza Shamsoshoara, Laurent Njilla +1
The problem of cooperative spectrum leasing to unlicensed Internet of Things (IoT) devices is studied to account for potential selfish behavior of these devices. A distributed game…