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Cyber supply chain, encompassing digital asserts, software, hardware, has become an essential component of modern Information and Communications Technology (ICT) provisioning. However, the growing inter-dependencies have introduced numerous…

密码学与安全 · 计算机科学 2025-04-04 Zhuoran Tan , Christos Anagnostopoulos , Jeremy Singer

We propose a parallel-data-free voice-conversion (VC) method that can learn a mapping from source to target speech without relying on parallel data. The proposed method is general purpose, high quality, and parallel-data free and works…

机器学习 · 统计学 2017-12-21 Takuhiro Kaneko , Hirokazu Kameoka

Electromagnetic (EM) side-channel analysis (SCA) is a prominent tool to break mathematically-secure cryptographic engines, especially on resource-constrained IoT devices. Presently, to perform EM SCA on an embedded IoT device, the entire…

密码学与安全 · 计算机科学 2020-03-03 Josef Danial , Debayan Das , Santosh Ghosh , Arijit Raychowdhury , Shreyas Sen

Referring Video Object Segmentation (RVOS) aims to segment target objects in video sequences based on natural language descriptions. While recent advances in Multi-modal Large Language Models (MLLMs) have improved RVOS performance through…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Li Zhang , Haoxiang Gao , Zhihao Zhang , Luoxiao Huang , Tao Zhang

Rising device use and third-party IP integration in semiconductors raise security concerns. Unauthorized access, fault injection, and privacy invasion are potential threats from untrusted actors. Different security techniques have been…

密码学与安全 · 计算机科学 2023-11-20 Geraldine Shirley Nicholas , Dhruvakumar Vikas Aklekar , Bhavin Thakar , Fareena Saqib

In recent years a new class of side-channel attacks has emerged. Instead of targeting device emissions during dynamic computation, adversaries now frequently exploit the leakage or response behaviour of integrated circuits in a static…

密码学与安全 · 计算机科学 2024-12-09 Robert Dumitru , Thorben Moos , Andrew Wabnitz , Yuval Yarom

Automatic Speaker Verification (ASV) systems are increasingly used in voice bio-metrics for user authentication but are susceptible to logical and physical spoofing attacks, posing security risks. Existing research mainly tackles logical or…

声音 · 计算机科学 2023-09-20 Awais Khan , Khalid Mahmood Malik

Video Temporal Grounding (VTG), which aims to ground target clips from videos (such as consecutive intervals or disjoint shots) according to custom language queries (e.g., sentences or words), is key for video browsing on social media. Most…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Kevin Qinghong Lin , Pengchuan Zhang , Joya Chen , Shraman Pramanick , Difei Gao , Alex Jinpeng Wang , Rui Yan , Mike Zheng Shou

In cache-based side channel attacks, an attacker infers information about the victim based on the presence, or lack thereof, of one or more cachelines. Determining a cacheline's presence, which we refer to as "reading the signal", typically…

密码学与安全 · 计算机科学 2023-03-02 David A. Kaplan

Quick and accurate detection of cyber attack is key to the normal operation of the smart grid system. In this paper, a joint state estimation and sequential attack detection method for a given bus with grid frequency drift is proposed that…

信号处理 · 电气工程与系统科学 2017-12-27 Leian Chen , Xiaodong Wang

We propose FPGA-Patch, the first-of-its-kind defense that leverages automated program repair concepts to thwart power side-channel attacks on cloud FPGAs. FPGA-Patch generates isofunctional variants of the target hardware by injecting…

密码学与安全 · 计算机科学 2023-04-06 Mahya Morid Ahmadi , Lilas Alrahis , Ozgur Sinanoglu , Muhammad Shafique

In today's dynamic cyber threat landscape, organizations must take proactive steps to bolster their cybersecurity defenses. Cyber threat hunting is a proactive and iterative process aimed at identifying and mitigating advanced threats that…

密码学与安全 · 计算机科学 2025-09-12 Jihane Najar , Marinos Tsantekidis , Aris Sotiropoulos , Vassilis Prevelakis

Full-packet encryption is a technique used by modern evasive Virtual Private Networks (VPNs) to avoid protocol-based flagging from censorship models by disguising their traffic as random noise on the network. Traditional methods for…

密码学与安全 · 计算机科学 2025-01-08 Amy Iris Parker

Today, most embedded systems use Dynamic Voltage and Frequency Scaling (DVFS) to minimize energy consumption and maximize performance. The DVFS technique works by regulating the important parameters that govern the amount of energy consumed…

密码学与安全 · 计算机科学 2019-02-25 El Mehdi Benhani , Lilian Bossuet

Profiled side-channel analysis (SCA) leverages leakage from cryptographic implementations to extract the secret key. When combined with advanced methods in neural networks (NNs), profiled SCA can successfully attack even those crypto-cores…

密码学与安全 · 计算机科学 2022-10-18 Rabin Yu Acharya , Fatemeh Ganji , Domenic Forte

Voice authentication has become an integral part in security-critical operations, such as bank transactions and call center conversations. The vulnerability of automatic speaker verification systems (ASVs) to spoofing attacks instigated the…

密码学与安全 · 计算机科学 2021-08-02 Andre Kassis , Urs Hengartner

In many VoIP systems, Voice Activity Detection (VAD) is often used on VoIP traffic to suppress packets of silence in order to reduce the bandwidth consumption of phone calls. Unfortunately, although VoIP traffic is fully encrypted and…

密码学与安全 · 计算机科学 2023-06-02 Roy Laurens , Edo Christianto , Bruce Caulkins , Cliff C. Zou

The Audio-Visual Video Parsing task aims to identify and temporally localize the events that occur in either or both the audio and visual streams of audible videos. It often performs in a weakly-supervised manner, where only video event…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Jinxing Zhou , Dan Guo , Yiran Zhong , Meng Wang

Synthesized speech is common today due to the prevalence of virtual assistants, easy-to-use tools for generating and modifying speech signals, and remote work practices. Synthesized speech can also be used for nefarious purposes, including…

声音 · 计算机科学 2022-05-05 Emily R. Bartusiak , Edward J. Delp

This paper demonstrates a power analysis-based Side-Channel Analysis (SCA) attack on the SNOW-V encryption algorithm, which is a 5G mobile communication security standard candidate. Implemented on an STM32 microcontroller, power traces…

密码学与安全 · 计算机科学 2025-12-29 Deepak , Rahul Balout , Anupam Golder , Suparna Kundu , Angshuman Karmakar , Debayan Das