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Software-defined networking is considered a promising new paradigm, enabling more reliable and formally verifiable communication networks. However, this paper shows that the separation of the control plane from the data plane, which lies at…

密码学与安全 · 计算机科学 2024-03-05 Robert Krösche , Kashyap Thimmaraju , Liron Schiff , Stefan Schmid

PCBs are the core components for the devices ranging from the consumer electronics to military applications. Due to the accessibility of the PCBs, they are vulnerable to the attacks such as probing, eavesdropping, and reverse engineering.…

密码学与安全 · 计算机科学 2019-04-23 Zimu Guo , Xiaolin Xu , Mark M. Tehranipoor , Domenic Forte

This paper presents a real-time cyber-physical (CPS) testbed for power systems with different real attack scenarios on the synchrophasors-phasor measurement units (PMU). The testbed focuses on real-time cyber-security emulation with…

密码学与安全 · 计算机科学 2022-07-27 Shuvangkar Chandra Das , Tuyen Vu

In this paper, we propose a transmission scheme that achieves information theoretic security, without making assumptions on the eavesdropper's channel. This is achieved by a transmitter that deliberately introduces synchronization errors…

信息论 · 计算机科学 2015-01-27 Jason Castiglione , Aleksandar Kavcic

Synchronous Flooding (SF) protocols can enhance the wireless connectivity between Internet of Things (IoT) devices. However, existing SF solutions fail to introduce sufficient security measures due to strict time synchronisation…

网络与互联网体系结构 · 计算机科学 2023-03-07 Charles Lockie , Ioannis Mavromatis , Aleksandar Stanoev , Yichao Jin , George Oikonomou

This correspondence studies the secrecy communication of the single-input single-output multi-eavesdropper (SISOME) channel with multiple single-antenna jammers, where the jammers and eavesdroppers are distributed according to the…

信息论 · 计算机科学 2016-11-17 Chao Wang , Hui-Ming Wang

This paper proposes a system, entitled Concealer that allows sharing time-varying spatial data (e.g., as produced by sensors) in encrypted form to an untrusted third-party service provider to provide location-based applications (involving…

密码学与安全 · 计算机科学 2021-02-11 Peeyush Gupta , Sharad Mehrotra , Shantanu Sharma , Nalini Venkatasubramanian , Guoxi Wang

The gamut of todays internet-connected embedded devices has led to increased concerns regarding the security and confidentiality of data. Most internet-connected embedded devices employ mathematically secure cryptographic algorithms to…

密码学与安全 · 计算机科学 2025-12-02 Archisman Ghosh

In a spoofing attack, an attacker impersonates a legitimate user to access or tamper with data intended for or produced by the legitimate user. In wireless communication systems, these attacks may be detected by relying on features of the…

机器学习 · 计算机科学 2022-11-09 Daniel Romero , Peter Gerstoft , Hadi Givehchian , Dinesh Bharadia

Secure covert communication in hostile environments requires simultaneously achieving invisibility, provable security guarantees, and robustness against informed adversaries. This paper presents a novel hybrid steganographic framework that…

密码学与安全 · 计算机科学 2025-07-08 Obinna Omego , Michal Bosy

Infrared (IR) light is invisible to humans, but cameras are optically sensitive to this type of light. In this paper, we show how attackers can use surveillance cameras and infrared light to establish bi-directional covert communication…

密码学与安全 · 计算机科学 2017-09-19 Mordechai Guri , Dima Bykhovsky , Yuval Elovici

Dynamic partial reconfiguration enables multi-tenancy in cloud-based FPGAs, which presents security challenges for tenants, IPs, and data. Malicious users can exploit FPGAs for remote side-channel attacks (SCAs), and shared on-chip…

密码学与安全 · 计算机科学 2023-03-14 Mahya Morid Ahmadi , Faiq Khalid , Radha Vaidya , Florian Kriebel , Andreas Steininger , Muhammad Shafique

Traditional side-channels take advantage of secrets being used as inputs to unsafe instructions, used for memory accesses, or used in control flow decisions. Constant-time programming, which restricts such code patterns, has been widely…

密码学与安全 · 计算机科学 2026-01-21 Reshabh K Sharma , Dan Grossman , David Kohlbrenner

In this paper, we study the problem of physical layer security in large-scale multiple input multiple output (LS-MIMO) systems. The large number of antenna elements in LS-MIMO system is exploited to enhance transmission security and improve…

信息论 · 计算机科学 2014-07-29 Xiaoming Chen , Chau Yuen , Zhaoyang Zhang

Recent years have seen a surge in the number of data leaks despite aggressive information-containment measures deployed by cloud providers. When attackers acquire sensitive data in a secure cloud environment, covert communication channels…

密码学与安全 · 计算机科学 2020-08-05 Dmitrii Ustiugov , Plamen Petrov , M. R. Siavash Katebzadeh , Boris Grot

In a spoofing attack, a malicious actor impersonates a legitimate user to access or manipulate data without authorization. The vulnerability of cryptographic security mechanisms to compromised user credentials motivates spoofing attack…

信号处理 · 电气工程与系统科学 2024-01-17 Tien Ngoc Ha , Daniel Romero

Covert channel attacks represent a significant threat to system security, leveraging shared resources to clandestinely transmit information from highly secure systems, thereby violating the system's security policies. These attacks exploit…

密码学与安全 · 计算机科学 2024-04-10 Shariful Alam , Jidong Xiao , Nasir U. Eisty

Scientists have built a variety of covert channels for secretive information transmission with CPU cache and main memory. In this paper, we turn to a lower level in the memory hierarchy, i.e., persistent storage. Most programs store…

密码学与安全 · 计算机科学 2024-06-21 Qisheng Jiang , Chundong Wang

We assume that a buffer-aided transmitter communicates with a receiving node in the presence of an attacker. We investigate the impact of a radio-frequency energy-harvesting attacker that probabilistically operates as a jammer or an…

信息论 · 计算机科学 2017-06-20 Ahmed El Shafie , Kamel Tourki , Zhiguo Ding , Naofal Al-Dhahir

RowHammer vulnerabilities pose a significant threat to modern DRAM-based systems, where rapid activation of DRAM rows can induce bit-flips in neighboring rows. To mitigate this, state-of-the-art host-side RowHammer mitigations typically…

密码学与安全 · 计算机科学 2025-05-16 Jeonghyun Woo , Prashant J. Nair