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In this paper, we investigate the advanced circuit features such as wordline- (WL) underdrive (prevents retention failure) and overdrive (assists write) employed in the peripherals of Dynamic RAM (DRAM) memories from a security perspective.…

Hardware Architecture · Computer Science 2020-01-06 Karthikeyan Nagarajan , Asmit De , Mohammad Nasim Imtiaz Khan , Swaroop Ghosh

Hardware Trojans can inflict harm on wireless networks by exploiting the link margins inherent in communication systems. We investigate a setting in which, alongside a legitimate communication link, a hardware Trojan embedded in the…

Information Theory · Computer Science 2024-04-24 Serhat Bakirtas , Matthieu R. Bloch , Elza Erkip

A new mechanism aimed at misleading a power system control center about the source of a data attack is proposed. As a man-in-the-middle state attack, a data framing attack is proposed to exploit the bad data detection and identification…

Cryptography and Security · Computer Science 2014-11-03 Jinsub Kim , Lang Tong , Robert J. Thomas

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…

Cryptography and Security · Computer Science 2017-09-19 Mordechai Guri , Dima Bykhovsky , Yuval Elovici

The Rowhammer bug allows unauthorized modification of bits in DRAM cells from unprivileged software, enabling powerful privilege-escalation attacks. Sophisticated Rowhammer countermeasures have been presented, aiming at mitigating the…

Cryptography and Security · Computer Science 2018-02-01 Daniel Gruss , Moritz Lipp , Michael Schwarz , Daniel Genkin , Jonas Juffinger , Sioli O'Connell , Wolfgang Schoechl , Yuval Yarom

Over the past few years, several research groups have introduced innovative hardware designs for Trusted Execution Environments (TEEs), aiming to secure applications against potentially compromised privileged software, including the kernel.…

Cryptography and Security · Computer Science 2024-10-07 Gwenn Le Gonidec , Maria Méndez Real , Guillaume Bouffard , Jean-Christophe Prévotet

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…

Cryptography and Security · Computer Science 2024-04-10 Shariful Alam , Jidong Xiao , Nasir U. Eisty

This paper introduces a new type of attack on isolated, air-gapped workstations. Although air-gap computers have no wireless connectivity, we show that attackers can use the SATA cable as a wireless antenna to transfer radio signals at the…

Cryptography and Security · Computer Science 2022-07-18 Mordechai Guri

Security of machine learning is increasingly becoming a major concern due to the ubiquitous deployment of deep learning in many security-sensitive domains. Many prior studies have shown external attacks such as adversarial examples that…

Cryptography and Security · Computer Science 2020-04-01 Fan Yao , Adnan Siraj Rakin , Deliang Fan

Emerging non-volatile memory (NVM) technologies offer unique advantages in energy efficiency, latency, and features such as computing-in-memory. Consequently, emerging NVM technologies are considered an ideal substrate for computation and…

This paper presents a novel data-driven framework to aid in system state estimation when the power system is under unobservable false data injection attacks. The proposed framework dynamically detects and classifies false data injection…

Machine Learning · Computer Science 2022-12-02 Ehsan Hallaji , Roozbeh Razavi-Far , Meng Wang , Mehrdad Saif , Bruce Fardanesh

Side-channel attacks try to extract secret information from a system by analyzing different side-channel signatures, such as power consumption, electromagnetic emanation, thermal dissipation, acoustics, time, etc. Power-based side-channel…

Cryptography and Security · Computer Science 2026-01-01 Sahan Sanjaya , Aruna Jayasena , Prabhat Mishra

State-of-the-art deep neural networks (DNNs) have been proven to be vulnerable to adversarial manipulation and backdoor attacks. Backdoored models deviate from expected behavior on inputs with predefined triggers while retaining performance…

Machine Learning · Computer Science 2023-04-17 M. Caner Tol , Saad Islam , Andrew J. Adiletta , Berk Sunar , Ziming Zhang

Unintended electromagnetic emissions, called EM emanations, can be exploited to recover sensitive information, posing security risks. Metal shielding, used by defense organizations to prevent data leakage, is costly and impractical for…

Cryptography and Security · Computer Science 2025-06-10 Md Faizul Bari , Meghna Roy Chowdhury , Shreyas Sen

The Internet of Things (IoT) has revolutionized connectivity by linking billions of devices worldwide. However, this rapid expansion has also introduced severe security vulnerabilities, making IoT devices attractive targets for malware such…

Cryptography and Security · Computer Science 2026-02-10 Sahar Zargarzadeh , Mohammad Islam

Malware usually target computers according to their operating system. Thus we have Windows malwares, Linux malwares and so on ... In this paper, we consider a different approach and show on a technical basis how easily malware can recognize…

Cryptography and Security · Computer Science 2015-03-17 Anthony Desnos , Robert Erra , Eric Filiol

This article presents a proof-of-concept illustrating the feasibility of creating a covert channel between a C\&C server and a malware installed in an organization by exploiting an organization's scanner and using it as a means of…

Cryptography and Security · Computer Science 2017-03-23 Ben Nassi , Adi Shamir , Yuval Elovici

RowHammer is a circuit-level DRAM vulnerability, where repeatedly activating and precharging a DRAM row, and thus alternating the voltage of a row's wordline between low and high voltage levels, can cause bit flips in physically nearby…

RowHammer is a DRAM vulnerability that can cause bit errors in a victim DRAM row solely by accessing its neighboring DRAM rows at a high-enough rate. Recent studies demonstrate that new DRAM devices are becoming increasingly vulnerable to…

Cryptography and Security · Computer Science 2024-06-04 Lois Orosa , Ulrich Rührmair , A. Giray Yaglikci , Haocong Luo , Ataberk Olgun , Patrick Jattke , Minesh Patel , Jeremie Kim , Kaveh Razavi , Onur Mutlu

Recent research has shown that the security of power grids can be seriously threatened by botnet-type cyber attacks that target a large number of high-wattage smart electrical appliances owned by end-users. Accurate detection and…

Cryptography and Security · Computer Science 2022-09-08 Hamidreza Jahangir , Subhash Lakshminarayana , Carsten Maple