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Per Row Activation Counting (PRAC) has emerged as a robust framework for mitigating RowHammer (RH) vulnerabilities in modern DRAM systems. However, we uncover a critical vulnerability: a timing channel introduced by the Alert Back-Off (ABO)…

Cryptography and Security · Computer Science 2025-05-20 Jeonghyun Woo , Joyce Qu , Gururaj Saileshwar , Prashant J. Nair

Ransomware is a growing threat that typically operates by either encrypting a victim's files or locking a victim's computer until the victim pays a ransom. However, it is still challenging to detect such malware timely with existing…

Cryptography and Security · Computer Science 2021-02-01 Muhammad Ejaz Ahmed , Hyoungshick Kim , Seyit Camtepe , Surya Nepal

A survey of machine learning techniques trained to detect ransomware is presented. This work builds upon the efforts of Taylor et al. in using sensor-based methods that utilize data collected from built-in instruments like CPU power and…

Machine Learning · Computer Science 2021-10-18 Erik Larsen , David Noever , Korey MacVittie

This paper deals with an analytical modeling of heat transfers simulating a new radiation calorimeter operating in a temperature range from -50 {\deg}C to 150 {\deg}C. The aim of this modeling is the evaluation of the feasibility and…

Instrumentation and Detectors · Physics 2016-01-11 Elysée Obame Ndong , Olivier Gallot-Lavallée , Frédéric Aitken

Due to the globalization in the semiconductor supply chain, counterfeit dynamic random-access memory (DRAM) chips/modules have been spreading worldwide at an alarming rate. Deploying counterfeit DRAM modules into an electronic system can…

Cryptography and Security · Computer Science 2021-06-29 B. M. S. Bahar Talukder , Vineetha Menon , Biswajit Ray , Tempestt Neal , Md Tauhidur Rahman

Sensor systems are extremely popular today and vulnerable to sensor data attacks. Due to possible devastating consequences, counteracting sensor data attacks is an extremely important topic, which has not seen sufficient study. This paper…

Cryptography and Security · Computer Science 2026-01-07 Xubin Fang , Rick S. Blum , Ramesh Bharadwaj , Brian M. Sadler

Non-volatile memory (NVM) is a class of promising scalable memory technologies that can potentially offer higher capacity than DRAM at the same cost point. Unfortunately, the access latency and energy of NVM is often higher than those of…

Hardware Architecture · Computer Science 2018-05-01 HanBin Yoon , Justin Meza , Rachata Ausavarungnirun , Rachael A. Harding , Onur Mutlu

Dynamic Random Access Memory (DRAM) is the de-facto choice for main memory devices due to its cost-effectiveness. It offers a larger capacity and higher bandwidth compared to SRAM but is slower than the latter. With each passing generation,…

Hardware Architecture · Computer Science 2022-01-19 Kaustav Goswami , Hemanta Kumar Mondal , Shirshendu Das , Dip Sankar Banerjee

Low-power wide-area network technologies such as LoRaWAN are promising for collecting low-rate monitoring data from geographically distributed sensors, in which timestamping the sensor data is a critical system function. This paper…

Networking and Internet Architecture · Computer Science 2021-07-13 Chaojie Gu , Linshan Jiang , Rui Tan , Mo Li , Jun Huang

Data centres are experiencing significant growth in their scale, especially, with the ever-increasing demand for cloud and IoT services. However, this rapid growth has raised numerous security issues and vulnerabilities; new types of…

Cryptography and Security · Computer Science 2021-08-31 Betty Saridou , Gueltoum Bendiab , Stavros N. Shiaeles , Basil K. Papadopoulos

Continued expansion of cloud computing offerings now includes SmartSSDs. A SmartSSD is a solid-state disk (SSD) augmented with an FPGA. Through public cloud providers, it is now possible to rent on-demand virtual machines enabled with…

Cryptography and Security · Computer Science 2023-05-17 Theodoros Trochatos , Anthony Etim , Jakub Szefer

Approximate computing has recently emerged as a promising method to meet the low power requirements of digital designs. The erroneous outputs produced in approximate computing can be partially a function of each chip's process variation. We…

Cryptography and Security · Computer Science 2018-02-27 Shahrzad Keshavarz , Daniel Holcomb

Broadband seismometers are widely used in global observation networks deployed for geophysics research. Recently, the calibration of their sensitivity has become an important factor for ensuring observation accuracy. One of the limiting…

Geophysics · Physics 2026-03-03 Tomofumi Shimoda , Wataru Kokuyama , Hideaki Nozato

A whole range of attacks becomes possible when adversaries gain physical access to computing systems that process or contain sensitive data. Examples include side-channel analysis, bus probing, device cloning, or implanting hardware…

Cryptography and Security · Computer Science 2021-12-17 Paul Staat , Johannes Tobisch , Christian Zenger , Christof Paar

Recently discovered Spectre and meltdown attacks affects almost all processors by leaking confidential information to other processes through side-channel attacks. These vulnerabilities expose design flaws in the architecture of modern…

Cryptography and Security · Computer Science 2020-06-03 Bilal Ali Ahmad

Biometric data, such as face images, are often associated with sensitive information (e.g medical, financial, personal government records). Hence, a data breach in a system storing such information can have devastating consequences. Deep…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Reena Zelenkova , Jack Swallow , M. A. P. Chamikara , Dongxi Liu , Mohan Baruwal Chhetri , Seyit Camtepe , Marthie Grobler , Mahathir Almashor

This article introduces a novel, low-cost technique for hiding data in commercially available resistive-RAM (ReRAM) chips. The data is kept hidden in ReRAM cells by manipulating its analog physical properties through switching…

Emerging Technologies · Computer Science 2024-01-10 Farah Ferdaus , B. M. S. Bahar Talukder , Md Tauhidur Rahman

Deep learning techniques have been paramount in the last years, mainly due to their outstanding results in a number of applications, that range from speech recognition to face-based user identification. Despite other techniques employed for…

Machine Learning · Computer Science 2016-09-06 Leandro Aparecido Passos Junior , Joao Paulo Papa

High-precision low-temperature thermometry is a challenge for experimental quantum physics and quantum sensing. Here we consider a thermometer modelled by a dynamically-controlled multilevel quantum probe in contact with a bath. Dynamical…

Quantum Physics · Physics 2019-12-17 Victor Mukherjee , Analia Zwick , Arnab Ghosh , Xi Chen , Gershon Kurizki

Machine learning models are prone to memorizing sensitive data, making them vulnerable to membership inference attacks in which an adversary aims to guess if an input sample was used to train the model. In this paper, we show that prior…

Cryptography and Security · Computer Science 2020-12-10 Liwei Song , Prateek Mittal