Detecting Compromised Edge Smart Cameras using Lightweight Environmental Fingerprint Consensus

Detecting Compromised Edge Smart Cameras using Lightweight Environmental Fingerprint Consensus
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使用轻量级环境指纹共识检测受损的边缘智能相机

DOI:
10.1145/3485730.3493684
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发表时间:
2021
期刊:
The 19th ACM Conference on Embedded Networked Sensor Systems
影响因子:
--
通讯作者:
Aved, Alexander
Aved, Alexander
中科院分区:
--
文献类型:
--
作者:
Nagothu, Deeraj;Xu, Ronghua;Chen, Yu;Blasch, Erik;Aved, Alexander

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现代智慧城市中视频物联网 (IoVT) 部署的快速发展以最少的人为干预实现了安全的基础设施。然而,对音频视频输入的攻击会影响大规模多媒体监控系统的可靠性,因为攻击者能够操纵对现场事件的感知。例如,Deepfake 音频/视频攻击和帧复制攻击可能会导致严重的安全漏洞。本文提出了一种基于轻量级环境指纹共识的边缘监控系统(LEFC)中受损智能相机的检测。 LEFC 是一种部分去中心化的身份验证机制,利用电网频率(ENF)作为环境指纹和分布式账本技术(DLT)。 ENF 信号携带随机波动的时空签名,从而实现数字媒体身份验证。以所提出的名为 Proof-of-ENF (PoENF) 的 DLT 共识机制为骨干,LEFC 可以估计和验证媒体记录并检测由犯罪者控制的拜占庭节点。实验评估表明了所提出的LEFC方案在分布式拜占庭网络环境下的可行性和有效性。
Rapid advances in the Internet of Video Things (IoVT) deployment in modern smart cities has enabled secure infrastructures with minimal human intervention. However, attacks on audio-video inputs affect the reliability of large-scale multimedia surveillance systems as attackers are able to manipulate the perception of live events. For example, Deepfake audio/video attacks and frame duplication attacks can cause significant security breaches. This paper proposes a Lightweight Environmental Fingerprint Consensus based detection of compromised smart cameras in edge surveillance systems (LEFC). LEFC is a partial decentralized authentication mechanism that leverages Electrical Network Frequency (ENF) as an environmental fingerprint and distributed ledger technology (DLT). An ENF signal carries randomly fluctuating spatio-temporal signatures, which enable digital media authentication. With the proposed DLT consensus mechanism named Proof-of-ENF (PoENF) as a backbone, LEFC can estimate and authenticate the media recording and detect byzantine nodes controlled by the perpetrator. The experimental evaluation shows feasibility and effectiveness of proposed LEFC scheme under a distributed byzantine network environment.
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期刊: 2021 IEEE 23rd International Workshop on Multimedia Signal Processing (MMSP)
影响因子: --
作者:
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影响因子: 4.5
作者:
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影响因子: --
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