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Security operations centers face persistent alert fatigue: in low-prevalence streams, even low false-positive rates generate substantial investigation load, while aggregate F1 scores obscure analyst burden. We introduce PACT, a Pareto-aware…

Cryptography and Security · Computer Science 2026-05-22 Samuel Ndichu , Tao Ban , Seiichi Ozawa , Takeshi Takahashi , Daisuke Inoue

Analog compute-in-memory (CIM) in static random-access memory (SRAM) is promising for accelerating deep learning inference by circumventing the memory wall and exploiting ultra-efficient analog low-precision arithmetic. Latest analog CIM…

Hardware Architecture · Computer Science 2024-07-19 Zhiyu Chen , Ziyuan Wen , Weier Wan , Akhil Reddy Pakala , Yiwei Zou , Wei-Chen Wei , Zengyi Li , Yubei Chen , Kaiyuan Yang

Dynamic Random Access Memory (DRAM) is the prevalent memory technology used to build main memory systems of almost all computers. A fundamental shortcoming of DRAM is the need to refresh memory cells to keep stored data intact. DRAM refresh…

Hardware Architecture · Computer Science 2023-06-29 Onur Mutlu

High quality object proposals are crucial in visual tracking algorithms that utilize region proposal network (RPN). Refinement of these proposals, typically by box regression and classification in parallel, has been popularly adopted to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Heng Fan , Haibin Ling

Recently, reconstruction-based anomaly detection was proposed as an effective technique to detect attacks in dynamic industrial control networks. Unlike classical network anomaly detectors that observe the network traffic,…

Cryptography and Security · Computer Science 2020-10-13 Alessandro Erba , Riccardo Taormina , Stefano Galelli , Marcello Pogliani , Michele Carminati , Stefano Zanero , Nils Ole Tippenhauer

Large Reasoning Models (LRMs) face a distinct safety vulnerability: their internal reasoning chains may generate harmful content even when the final output appears benign. To address this overlooked risk, we first propose a novel attack…

Artificial Intelligence · Computer Science 2026-01-01 Jianhao Chen , Mayi Xu , Haoyang Chen , Xiaohu Li , Xiangyu Zhang , Jianjie Huang , Zheng Wang , Xiaochun Cao , Tieyun Qian

Modern society is getting accustomed to the Internet of Things (IoT) and Cyber-Physical Systems (CPS) for a variety of applications that involves security-critical user data and information transfers. In the lower end of the spectrum, these…

Cryptography and Security · Computer Science 2023-05-08 Avani Dave Nilanjan Banerjee Chintan Patel

Modern DRAM cells are periodically refreshed to prevent data loss due to leakage. Commodity DDR DRAM refreshes cells at the rank level. This degrades performance significantly because it prevents an entire rank from serving memory requests…

Hardware Architecture · Computer Science 2016-01-26 Kevin Kai-Wei Chang , Donghyuk Lee , Zeshan Chishti , Alaa R. Alameldeen , Chris Wilkerson , Yoongu Kim , Onur Mutlu

Emerging ReRAM-based accelerators process neural networks via analog Computing-in-Memory (CiM) for ultra-high energy efficiency. However, significant overhead in peripheral circuits and complex nonlinear activation modes constrain system…

Hardware Architecture · Computer Science 2024-12-31 Peng Dang , Huawei Li , Wei Wang

Timing-based side and covert channels in processor caches continue to be a threat to modern computers. This work shows for the first time a systematic, large-scale analysis of Arm devices and the detailed results of attacks the processors…

Cryptography and Security · Computer Science 2021-11-02 Shuwen Deng , Nikolay Matyunin , Wenjie Xiong , Stefan Katzenbeisser , Jakub Szefer

The integration of sensing, communications, array signal processing, etc. into 6G mobile networks has ushered in an era of heightened situational awareness. However, this progress brings forth significant concerns regarding privacy and…

Information Theory · Computer Science 2024-06-18 Pu Xie , Yang Huang

Modern cyber attackers use advanced zero-day exploits, highly targeted spear phishing, and other social engineering techniques to gain access and also use evasion techniques to maintain a prolonged presence within the victim network while…

Cryptography and Security · Computer Science 2023-10-03 Bibek Bhattarai , H. Howie Huang

This paper presents a new framework of identifying a series of cyber data attacks on power system synchrophasor measurements. We focus on detecting "unobservable" cyber data attacks that cannot be detected by any existing method that purely…

Information Theory · Computer Science 2016-11-03 Pengzhi Gao , Meng Wang , Joe H. Chow , Scott G. Ghiocel , Bruce Fardanesh , George Stefopoulos , Michael P. Razanousky

Modern microarchitectures incorporate optimization techniques such as speculative loads and store forwarding to improve the memory bottleneck. The processor executes the load speculatively before the stores, and forwards the data of a…

Cryptography and Security · Computer Science 2019-06-04 Saad Islam , Ahmad Moghimi , Ida Bruhns , Moritz Krebbel , Berk Gulmezoglu , Thomas Eisenbarth , Berk Sunar

Video Action Counting (VAC) is crucial in analyzing sports, fitness, and everyday activities by quantifying repetitive actions in videos. However, traditional VAC methods have overlooked the complexity of action repetitions, such as…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Hang Wang , Zhi-Qi Cheng , Youtian Du , Lei Zhang

Rowhammer is a hardware bug that can be exploited to implement privilege escalation and remote code execution attacks. Previous proposals on rowhammer mitigation either require hardware changes or follow heuristic-based approaches (based on…

Cryptography and Security · Computer Science 2016-12-08 Ferdinand Brasser , Lucas Davi , David Gens , Christopher Liebchen , Ahmad-Reza Sadeghi

We suggest a technique to reduce the storage size of sparse matrices at no loss of information. We call this technique Diagonally-Adressed (DA) storage. It exploits the typically low matrix bandwidth of matrices arising in applications. For…

Numerical Analysis · Mathematics 2025-01-24 Jens Saak , Jonas Schulze

Latest ARM processors are approaching the computational power of x86 architectures while consuming much less energy. Consequently, supply follows demand with Amazon EC2, Equinix Metal and Microsoft Azure offering ARM-based instances, while…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-13 Christian Göttel , Konstantinos Parasyris , Osman Unsal , Pascal Felber , Marcelo Pasin , Valerio Schiavoni

Space-time adaptive processing (STAP) is a well-known technique in detecting slow-moving targets in the presence of a clutter-spreading environment. When considering the STAP system deployed with conformal radar array (CFA), the training…

Information Theory · Computer Science 2010-11-16 Ke Sun , Huadong Meng , Fabian Lapierre , Xiqin Wang

We introduce the Lossy Implicit Network Activation Coding (LINAC) defence, an input transformation which successfully hinders several common adversarial attacks on CIFAR-$10$ classifiers for perturbations up to $\epsilon = 8/255$ in…

Machine Learning · Computer Science 2022-10-26 Andrei A. Rusu , Dan A. Calian , Sven Gowal , Raia Hadsell