Please use this identifier to cite or link to this item: http://hdl.handle.net/10609/151054
Title: On the detection of multi-channel man-in-the-middle attacks against Wi-Fi networks
Author: Thankappan, Manesh  
Director: Rifà-Pous, Helena  
Garrigues, Carles  
Abstract: One of the advanced Man-in-the-Middle (MitM) attacks is the Multi-Channel MitM (MC-MitM) attack, which manipulates encrypted wireless frames between clients and the Access Point (AP) in a WLAN. Key reinstallation attacks (2019), FragAttacks (2021), and SSID confusion attacks (2024) have significantly impacted millions of Wi-Fi systems, especially IoT devices.This thesis evaluates MC-MitM attacks, categorizing them based on objectives and reviewing existing defense mechanisms, which often require impractical firmware modifications and advanced hardware. We propose a signature-based intrusion detection system for effective defense. In our research, we design lightweight signatures for quick identification of MC-MitM attacks. We introduce an intrusion detection system, a plug-and-play and passive monitoring system for detecting MC-MitM attacks. Our prototype, tested in a smart home network, achieved high detection accuracy. We further enhance our system with a distributed detection mechanism, significantly improving detection performance in smart home and IoT settings.
Keywords: wireless LAN
MC-MitM attack
KRACK
FragAttacks
intrusion detection
Document type: info:eu-repo/semantics/doctoralThesis
Issue Date: 9-Jul-2024
Publication license: http://creativecommons.org/licenses/by-nc-nd/3.0/es/  
Appears in Collections:Tesis doctorals

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