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Inspired by the rapid development of Large Language Models (LLMs), LLM agents have evolved to perform complex tasks. LLM agents are now extensively applied across various domains, handling vast amounts of data to interact with humans and…

Cryptography and Security · Computer Science 2025-11-04 Feng He , Tianqing Zhu , Dayong Ye , Bo Liu , Wanlei Zhou , Philip S. Yu

The growing reliance on large-scale speech data has made privacy protection a critical concern. However, existing anonymization approaches often degrade data utility, for example by disrupting acoustic continuity or reducing vocal…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-21 Yunchong Xiao , Yuxiang Zhao , Ziyang Ma , Shuai Wang , Kai Yu , Jiachun Liao , Xie Chen

AI assistants such as Alexa, Google Assistant, and Siri, are making their way into the healthcare sector, offering a convenient way for users to access different healthcare services. Trust is a vital factor in the uptake of healthcare…

Human-Computer Interaction · Computer Science 2024-01-12 Xiao Zhan , Noura Abdi , William Seymour , Jose Such

This paper presents the results and analyses stemming from the first VoicePrivacy 2020 Challenge which focuses on developing anonymization solutions for speech technology. We provide a systematic overview of the challenge design with an…

The increasing popularity of specialized Internet-connected devices and appliances, dubbed the Internet-of-Things (IoT), promises both new conveniences and new privacy concerns. Unlike traditional web browsers, many IoT devices have…

Cryptography and Security · Computer Science 2017-05-22 Noah Apthorpe , Dillon Reisman , Nick Feamster

Internet of Things (IoT) has been rapidly growing in the past few years in all life disciplines. IoT provides automation and smart control to its users in different domains such as home automation, healthcare systems, automotive, and many…

Cryptography and Security · Computer Science 2022-03-04 Lobna Abuserrieh , Manar H. Alalfi

Artificial Intelligence (AI) systems introduce unprecedented privacy challenges as they process increasingly sensitive data. Traditional privacy frameworks prove inadequate for AI technologies due to unique characteristics such as…

Cryptography and Security · Computer Science 2025-10-06 Grace Billiris , Asif Gill , Madhushi Bandara

This study presents a unique framework that applies and extends Solove (2006)'s taxonomy to address privacy concerns in interactions with text-based AI chatbots. As chatbot prevalence grows, concerns about user privacy have heightened.…

Human-Computer Interaction · Computer Science 2024-02-16 Ece Gumusel , Kyrie Zhixuan Zhou , Madelyn Rose Sanfilippo

As users increasingly rely on cloud-based computing services, it is important to ensure that uploaded speech data remains private. Existing solutions rely either on server-side methods or focus on hiding speaker identity. While these…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-26 Peter Wu , Paul Pu Liang , Jiatong Shi , Ruslan Salakhutdinov , Shinji Watanabe , Louis-Philippe Morency

This paper presents a systematic evaluation of the privacy behaviors and attributes of eight recent, popular browser agents. Browser agents are software that automate Web browsing using large language models and ancillary tooling. However,…

Cryptography and Security · Computer Science 2025-12-09 Alisha Ukani , Hamed Haddadi , Ali Shahin Shamsabadi , Peter Snyder

Voice anonymisation aims to conceal the voice identity of speakers in speech recordings. Privacy protection is usually estimated from the difficulty of using a speaker verification system to re-identify the speaker post-anonymisation.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-31 Michele Panariello , Sarina Meyer , Pierre Champion , Xiaoxiao Miao , Massimiliano Todisco , Ngoc Thang Vu , Nicholas Evans

The balance between protecting users' privacy while providing cost-effective devices that are functional and usable is a key challenge in the burgeoning Internet of Things (IoT) industry. While in traditional desktop and mobile contexts the…

Human-Computer Interaction · Computer Science 2021-03-19 Bayan Al Muhander , Jason Wiese , Omer Rana , Charith Perera

Artificial intelligence (AI) is increasingly being explored in health and social care to reduce administrative workload and allow staff to spend more time on patient care. This paper evaluates a voice-enabled Care Home Smart Speaker…

With the development of hardware and algorithms, ASR(Automatic Speech Recognition) systems evolve a lot. As The models get simpler, the difficulty of development and deployment become easier, ASR systems are getting closer to our life. On…

Sound · Computer Science 2022-08-05 Xiao Zhang , Hao Tan , Xuan Huang , Denghui Zhang , Keke Tang , Zhaoquan Gu

Artificial Intelligence (AI) has attracted a great deal of attention in recent years. However, alongside all its advancements, problems have also emerged, such as privacy violations, security issues and model fairness. Differential privacy,…

Cryptography and Security · Computer Science 2020-09-01 Tianqing Zhu , Dayong Ye , Wei Wang , Wanlei Zhou , Philip S. Yu

The pervasive use of smart speakers has raised numerous privacy concerns. While work to date provides an understanding of user perceptions of these threats, limited research focuses on how we can mitigate these concerns, either through…

Human-Computer Interaction · Computer Science 2021-06-11 Varun Chandrasekaran , Suman Banerjee , Bilge Mutlu , Kassem Fawaz

As technology and technology companies have grown in power, ubiquity, and societal influence, some companies -- and notably some mobile apps -- have come to be perceived as privacy threats. Prior work has considered how various factors…

Human-Computer Interaction · Computer Science 2022-11-15 Jenny Tang , Hannah Shoemaker , Leah Teffera , Eleanor Birrell , Ada Lerner

In recent years, the need for privacy preservation when manipulating or storing personal data, including speech , has become a major issue. In this paper, we present a system addressing the speaker-level anonymization problem. We propose…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-29 Francesco Nespoli , Daniel Barreda , Joerg Bitzer , Patrick A. Naylor

The fast increase of web services and mobile apps, which collect personal data from users, increases the risk that their privacy may be severely compromised. In particular, the increasing variety of spoken language interfaces and voice…

This paper investigates the implementation of voice-enabled Google Assistant and Amazon Alexa on Raspberry Pi. Virtual Assistants are being a new trend in how we interact or do computations with physical devices. A voice-enabled system…

Computers and Society · Computer Science 2024-09-05 Shailesh D. Arya , Samir Patel