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Quantum random access memory (QRAM) is required for numerous quantum algorithms and network architectures. Previous work has shown that the ubiquitous bucket-brigade QRAM is highly resilient to arbitrary local incoherent noise channels…

量子物理 · 物理学 2024-12-18 Rohan Mehta , Gideon Lee , Liang Jiang

The Rowhammer vulnerability poses an increasing challenge with newer generations of DRAM and aggressive technology scaling. Existing mitigation techniques, such as Graphene, Twice, and Hydra, primarily rely on tracking activation counts for…

密码学与安全 · 计算机科学 2026-04-28 Lavi Jain , Venkata Kalyan Tavva

Self-propagating malware (e.g., an Internet worm) exploits security loopholes in software to infect servers and then use them to scan the Internet for more vulnerable servers. While the mechanisms of worm infection and their propagation…

网络与互联网体系结构 · 计算机科学 2016-02-10 You Zhou , Yian Zhou , Shigang Chen , O. Patrick Kreidl

Under gang scheduling for large-scale distributed large language model (LLM) training, a single network anomaly can stall or abort an entire job. Current network fault tolerance mechanisms typically adopt a ``fallback and bypass'' approach…

网络与互联网体系结构 · 计算机科学 2026-02-27 Shengkai Lin , Kairui Zhou , Hongtao Zhang , Yibo Wu , Yi Pan , Yihan Yang , Qinwei Yang , Wei Zhang , Arvind Krishnamurthy , Shizhen Zhao

Remote Direct Memory Access (RDMA) is becoming widely available in data centers. This technology allows a process to directly read and write the memory of a remote host, with a mechanism to control access permissions. In this paper, we…

分布式、并行与集群计算 · 计算机科学 2021-02-26 Marcos K. Aguilera , Naama Ben-David , Rachid Guerraoui , Virendra Marathe , Igor Zablotchi

The verification of security protocols is essential, in order to ensure the absence of potential attacks. However, verification results are only valid with respect to the assumptions under which the verification was performed. These…

计算机科学中的逻辑 · 计算机科学 2024-11-12 Nisansala P. Yatapanage , Cliff B. Jones

DRAM is the primary technology used for main memory in modern systems. Unfortunately, as DRAM scales down to smaller technology nodes, it faces key challenges in both data integrity and latency, which strongly affect overall system…

硬件体系结构 · 计算机科学 2023-03-15 Hasan Hassan

Programming errors, defective hardware components (such as hard disk spindle defects), and environmental hazards can lead to invalid memory operations. In addition, less predictable forms of environmental stress, such as radiation, thermal…

密码学与安全 · 计算机科学 2026-01-27 Alon Hillel-Tuch , Aspen Olmstead

Model extraction emerges as a critical security threat with attack vectors exploiting both algorithmic and implementation-based approaches. The main goal of an attacker is to steal as much information as possible about a protected victim…

密码学与安全 · 计算机科学 2024-11-18 Kevin Hector , Pierre-Alain Moellic , Mathieu Dumont , Jean-Max Dutertre

We present the first micro-architectural side-channel attack which runs entirely in the browser. In contrast to other works in this genre, this attack does not require the attacker to install any software on the victim's machine -- to…

密码学与安全 · 计算机科学 2015-03-03 Yossef Oren , Vasileios P. Kemerlis , Simha Sethumadhavan , Angelos D. Keromytis

CPU caches introduce variations into the execution time of programs that can be exploited by adversaries to recover private information about users or cryptographic keys. Establishing the security of countermeasures against this threat…

密码学与安全 · 计算机科学 2017-05-12 Goran Doychev , Boris Köpf

Fault-tolerant routing (FTR) in Networks-on-Chip (NoCs) has become a common practice to sustain the performance of multi-core systems with an increasing number of faults on a chip. On the other hand, usage of third-party intellectual…

硬件体系结构 · 计算机科学 2019-08-02 N Prasad , Navonil Chatterjee , Santanu Chattopadhyay , Indrajit Chakrabarti

The traditional design principle for Internet protocols indicates: "Be strict when sending and tolerant when receiving" [RFC1958], and DNS is no exception to this. The transparency of DNS in handling the DNS records, also standardised…

密码学与安全 · 计算机科学 2022-05-12 Philipp Jeitner , Haya Shulman

As recently emerged rowhammer exploits require undocumented DRAM address mapping, we propose a generic knowledge-assisted tool, DRAMDig, which takes domain knowledge into consideration to efficiently and deterministically uncover the DRAM…

密码学与安全 · 计算机科学 2020-07-28 Minghua Wang , Zhi Zhang , Yueqiang Cheng , Surya Nepal

Ransomware attacks have increased significantly in recent years, causing great destruction and damage to critical systems and business operations. Attackers are unfailingly finding innovative ways to bypass detection mechanisms,…

密码学与安全 · 计算机科学 2022-04-01 Avinash Singh , Richard Adeyemi Ikuesan , Hein Venter

This paper shows how an attacker can break the confidentiality of a hardware enclave with Membuster, an off-chip attack based on snooping the memory bus. An attacker with physical access can observe an unencrypted address bus and extract…

密码学与安全 · 计算机科学 2019-12-05 Dayeol Lee , Dongha Jung , Ian T. Fang , Chia-Che Tsai , Raluca Ada Popa

DRAM cells are susceptible to Data-Disturbance Errors (DDE), which can be exploited by an attacker to compromise system security. Rowhammer is a well-known DDE vulnerability that occurs when a row is repeatedly activated. Rowhammer can be…

密码学与安全 · 计算机科学 2024-07-24 Moinuddin Qureshi , Anish Saxena , Aamer Jaleel

Caches have been exploited to leak secret information due to the different times they take to handle memory accesses. Cache timing attacks include non-speculative cache side and covert channel attacks and cache-based speculative execution…

密码学与安全 · 计算机科学 2024-04-23 Guangyuan Hu , Ruby B. Lee

Neural networks have shown remarkable performance in various tasks, yet they remain susceptible to subtle changes in their input or model parameters. One particularly impactful vulnerability arises through the Bit-Flip Attack (BFA), where…

机器学习 · 计算机科学 2025-02-18 Nadav Benedek , Matan Levy , Mahmood Sharif

Backdoor attack intends to inject hidden backdoor into the deep neural networks (DNNs), such that the prediction of the infected model will be maliciously changed if the hidden backdoor is activated by the attacker-defined trigger, while it…

密码学与安全 · 计算机科学 2021-02-02 Yiming Li , Tongqing Zhai , Baoyuan Wu , Yong Jiang , Zhifeng Li , Shutao Xia