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Distributed hash tables suffer from several security and privacy vulnerabilities, including the problem of Sybil attacks. Existing social network-based solutions to mitigate the Sybil attacks in DHT routing have a high state requirement and…

密码学与安全 · 计算机科学 2011-09-06 Prateek Mittal , Matthew Caesar , Nikita Borisov

A secure fingerprint recognition system must contain both a presentation attack (i.e., spoof) detection and recognition module in order to protect users against unwanted access by malicious users. Traditionally, these tasks would be carried…

计算机视觉与模式识别 · 计算机科学 2023-05-15 Steven A. Grosz , Kanishka P. Wijewardena , Anil K. Jain

Security is important for many sensor network applications. Wireless Sensor Networks (WSN) are often deployed in hostile environments as static or mobile, where an adversary can physically capture some of the nodes. once a node is captured,…

密码学与安全 · 计算机科学 2011-03-21 V. Manjula , Dr. C. Chellappan

Detecting misbehavior (such as transmissions of false information) in vehicular ad hoc networks (VANETs) is very important problem with wide range of implications including safety related and congestion avoidance applications. We discuss…

网络与互联网体系结构 · 计算机科学 2015-03-19 Sushmita Ruj , Marcos Antonio Cavenaghi , Zhen Huang , Amiya Nayak , Ivan Stojmenovic

Wireless networks that are decentralized and communicate without using existing infrastructure are known as mobile ad-hoc networks. The most common sorts of threats and attacks can affect MANETs. Therefore, it is advised to utilize…

网络与互联网体系结构 · 计算机科学 2023-04-24 S. M. Udhaya Sankar , D. Dhinakaran , C. Cathrin Deboral , M. Ramakrishnan

A mobile ad hoc network (MANET) is a collection of mobile nodes that communicate with each other by forming a multi-hop radio network. Security remains a major challenge for these networks due to their features of open medium, dynamically…

密码学与安全 · 计算机科学 2021-09-07 Jaydip Sen

Under a changing driving environment, a Connected Autonomous Vehicle (CAV) platoon relies strongly on the acquisition of accurate traffic information from neighboring vehicles as well as reliable commands from a centralized supervisory…

系统与控制 · 电气工程与系统科学 2024-10-21 Sanchita Ghosh , Nutan Saha , Tanushree Roy

As connected and autonomous vehicles proliferate, the Controller Area Network (CAN) bus has become the predominant communication standard for in-vehicle networks due to its speed and efficiency. However, the CAN bus lacks basic security…

密码学与安全 · 计算机科学 2024-08-19 Muzun Althunayyan , Amir Javed , Omer Rana

Traffic analysis attacks pose a major risk for online security. Distinctive patterns in communication act as fingerprints, enabling adversaries to de-anonymise communicating parties or to infer sensitive information. Despite the attacks…

编程语言 · 计算机科学 2021-06-25 Jeppe Fredsgaard Blaabjerg , Aslan Askarov

MIL-STD-1553, a standard that defines a communication bus for interconnected devices, is widely used in military and aerospace avionic platforms. Due to its lack of security mechanisms, MIL-STD-1553 is exposed to cyber threats. The methods…

密码学与安全 · 计算机科学 2022-02-15 Efrat Levy , Nadav Maman , Asaf Shabtai , Yuval Elovici

For autonomous driving, an essential task is to detect surrounding objects accurately. To this end, most existing systems use optical devices, including cameras and light detection and ranging (LiDAR) sensors, to collect environment data in…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Jindi Zhang , Yifan Zhang , Kejie Lu , Jianping Wang , Kui Wu , Xiaohua Jia , Bin Liu

Anomaly detection is a crucial step for preventing malicious activities in the network and keeping resources available all the time for legitimate users. It is noticed from various studies that classical anomaly detectors work well with…

密码学与安全 · 计算机科学 2020-02-17 Awais Ahmed , Sufian Hameed , Muhammad Rafi , Qublai Khan Ali Mirza

Interconnected embedded devices are increasingly used invarious scenarios, including industrial control, building automation, or emergency communication. As these systems commonly process sensitive information or perform safety critical…

密码学与安全 · 计算机科学 2017-01-30 Florian Kohnhäuser , Niklas Büscher , Sebastian Gabmeyer , Stefan Katzenbeisser

Given the promising future of autonomous vehicles, it is foreseeable that self-driving cars will soon emerge as the predominant mode of transportation. While autonomous vehicles offer enhanced efficiency, they remain vulnerable to external…

密码学与安全 · 计算机科学 2026-02-17 Saurav Silwal , Lu Gao , Ph. D. Yunpeng Zhang , Ph. D. Ahmed Senouci , Ph. D. Yi-Lung Mo , Ph. D. , P. E

MIL-STD-1553 is a military standard that defines the physical and logical layers, and a command/response time division multiplexing of a communication bus used in military and aerospace avionic platforms for more than 40 years. As a legacy…

密码学与安全 · 计算机科学 2017-07-18 Orly Stan , Yuval Elovici , Asaf Shabtai , Gaby Shugol , Raz Tikochinski , Shachar Kur

Authenticated safety beacons in Vehicular Communication (VC) systems ensure awareness among neighboring vehicles. However, the verification of beacon signatures introduces significant processing overhead for resource-constrained vehicular…

密码学与安全 · 计算机科学 2020-01-22 Hongyu Jin , Panos Papadimitratos

Adversarial robustness of deep models is pivotal in ensuring safe deployment in real world settings, but most modern defenses have narrow scope and expensive costs. In this paper, we propose a self-supervised method to detect adversarial…

密码学与安全 · 计算机科学 2021-09-01 Mazda Moayeri , Soheil Feizi

Large Language Models (LLMs) have become increasingly vulnerable to jailbreak attacks that circumvent their safety mechanisms. While existing defense methods either suffer from adaptive attacks or require computationally expensive auxiliary…

计算与语言 · 计算机科学 2025-03-25 Xunguang Wang , Wenxuan Wang , Zhenlan Ji , Zongjie Li , Pingchuan Ma , Daoyuan Wu , Shuai Wang

The rapid expansion of Internet of Things (IoT) devices has increased the risk of cyber-attacks, making effective detection essential for securing IoT networks. This work introduces a novel approach combining Self-Organizing Maps (SOMs),…

密码学与安全 · 计算机科学 2025-03-05 Ahmed Bensaoud , Jugal Kalita

In Autonomous Vehicles (AVs), one fundamental pillar is perception, which leverages sensors like cameras and LiDARs (Light Detection and Ranging) to understand the driving environment. Due to its direct impact on road safety, multiple prior…

密码学与安全 · 计算机科学 2019-08-21 Yulong Cao , Chaowei Xiao , Benjamin Cyr , Yimeng Zhou , Won Park , Sara Rampazzi , Qi Alfred Chen , Kevin Fu , Z. Morley Mao