中文
相关论文

相关论文: Mayhem: Targeted Corruption of Register and Stack …

200 篇论文

As DRAM density increases, Rowhammer becomes more severe due to heightened charge leakage, reducing the number of activations needed to induce bit flips. The DDR5 standard addresses this threat with in-DRAM per-row activation counters…

硬件体系结构 · 计算机科学 2025-07-25 Ravan Nazaraliyev , Saber Ganjisaffar , Nurlan Nazaraliyev , Nael Abu-Ghazaleh

Recent work has demonstrated robust mechanisms by which attacks can be orchestrated on machine learning models. In contrast to adversarial examples, backdoor or trojan attacks embed surgically modified samples with targeted labels in the…

密码学与安全 · 计算机科学 2019-03-19 Zhaoyuan Yang , Naresh Iyer , Johan Reimann , Nurali Virani

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…

硬件体系结构 · 计算机科学 2018-05-01 HanBin Yoon , Justin Meza , Rachata Ausavarungnirun , Rachael A. Harding , Onur Mutlu

Memory systems enable otherwise-stateless LLM agents to persist user information across sessions, but also introduce a new attack surface. We characterize the Trojan Hippo attack, a class of persistent memory attacks that operates in a more…

密码学与安全 · 计算机科学 2026-05-18 Debeshee Das , Julien Piet , Darya Kaviani , Luca Beurer-Kellner , Florian Tramèr , David Wagner

DRAM-based main memory and its associated components increasingly account for a significant portion of application performance bottlenecks and power budget demands inside the computing ecosystem. To alleviate the problems of storage density…

密码学与安全 · 计算机科学 2019-02-12 Fan Yao , Guru Venkataramani

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

Vector databases serve as the retrieval backbone of modern AI applications, yet their security remains largely unexplored. We propose the Black-Hole Attack, a poisoning attack that injects a small number of malicious vectors near the…

密码学与安全 · 计算机科学 2026-04-08 Hanxi Li , Jianan Zhou , Jiale Lao , Yibo Wang , Zhengmao Ye , Yang Cao , Junfen Wang , Mingjie Tang

Ransomware's escalating sophistication necessitates tamper-resistant, off-host detection solutions that capture deep disk activity beyond the reach of a compromised operating system. Existing detection systems use host/kernel signals or…

密码学与安全 · 计算机科学 2026-03-13 Md Raz , Venkata Sai Charan Putrevu , Prashanth Krishnamurthy , Farshad Khorrami , Ramesh Karri

Cache attacks exploit memory access patterns of cryptographic implementations. Constant-Time implementation techniques have become an indispensable tool in fighting cache timing attacks. These techniques engineer the memory accesses of…

密码学与安全 · 计算机科学 2018-11-20 Ahmad Moghimi , Thomas Eisenbarth , Berk Sunar

A recent line of work has uncovered a new form of data poisoning: so-called \emph{backdoor} attacks. These attacks are particularly dangerous because they do not affect a network's behavior on typical, benign data. Rather, the network only…

机器学习 · 计算机科学 2018-11-05 Brandon Tran , Jerry Li , Aleksander Madry

Encryption ransomware has become a notorious malware. It encrypts user data on storage devices like solid-state drives (SSDs) and demands a ransom to restore data for users. To bypass existing defenses, ransomware would keep evolving and…

密码学与安全 · 计算机科学 2022-06-14 Benjamin Reidys , Peng Liu , Jian Huang

The security of a computer system depends on OS kernel protection. It is crucial to reveal and inspect new attacks on kernel data, as these are used by hackers. The purpose of this paper is to continue research into attacks on dynamically…

密码学与安全 · 计算机科学 2021-06-14 Igor Korkin

Micro-architectural attacks use information leaked through shared resources to break hardware-enforced isolation. These attacks have been used to steal private information ranging from cryptographic keys to privileged Operating System (OS)…

密码学与安全 · 计算机科学 2021-09-21 Nikhilesh Singh , Chester Rebeiro

In contemporary times, the increasing complexity of the system poses significant challenges to the reliability, trustworthiness, and security of the SACRES. Key issues include the susceptibility to phenomena such as instantaneous voltage…

硬件体系结构 · 计算机科学 2024-12-23 Enrico Magliano , Alessio Carpegna , Alessadro Savino , Stefano Di Carlo

Although ransomware has received broad attention in media and research, this evolving threat vector still poses a systematic threat. Related literature has explored their detection using various approaches leveraging Machine and Deep…

密码学与安全 · 计算机科学 2024-02-01 Jan von der Assen , Chao Feng , Alberto Huertas Celdrán , Róbert Oleš , Gérôme Bovet , Burkhard Stiller

A massive threat to the modern and complex IC production chain is the use of untrusted off-shore foundries which are able to infringe valuable hardware design IP or to inject hardware Trojans causing severe loss of safety and security.…

密码学与安全 · 计算机科学 2019-10-04 Sebastian Wallat , Marc Fyrbiak , Moritz Schlögel , Christof Paar

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

Many damaging cybersecurity attacks are enabled when an attacker can access residual sensitive information (e.g. cryptographic keys, personal identifiers) left behind from earlier computation. Attackers can sometimes use residual…

密码学与安全 · 计算机科学 2021-06-21 Deborah Shands , Carolyn Talcott

Downfall is a side-channel attack that leaks values in vector registers from a process to another on the same CPU core. This attack enables an attacker to achieve serious outcomes (e.g., stealing AES keys), and there is no fundamental…

密码学与安全 · 计算机科学 2026-04-14 Yohei Harata , Soramichi Akiyama

Key-value stores typically leave access control to the systems for which they act as storage engines. Unfortunately, attackers may circumvent such read access controls via timing attacks on the key-value store, which use differences in…

密码学与安全 · 计算机科学 2025-09-03 Adi Kaufman , Moshik Hershcovitch , Adam Morrison