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Fully supervised continual learning methods have shown improved attack traffic detection in a closed-world learning setting. However, obtaining fully annotated data is an arduous task in the security domain. Further, our research finds that…

Cryptography and Security · Computer Science 2024-12-03 Suresh Kumar Amalapuram , Shreya Kumar , Bheemarjuna Reddy Tamma , Sumohana Channappayya

Most researchers have tried to enhance the robustness of DNNs by revealing and repairing the vulnerability of DNNs with specialized adversarial examples. Parts of the attack examples have imperceptible perturbations restricted by Lp norm.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Yihao Huang , Liangru Sun , Qing Guo , Felix Juefei-Xu , Jiayi Zhu , Jincao Feng , Yang Liu , Geguang Pu

Thermal imaging is often compromised by dynamic, complex degradations caused by hardware limitations and unpredictable environmental factors. The scarcity of high-quality infrared data, coupled with the challenges of dynamic, intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Zhu Liu , Zijun Wang , Jinyuan Liu , Fanqi Meng , Long Ma , Risheng Liu

Sensors (e.g., light, gyroscope, accelerometer) and sensing-enabled applications on a smart device make the applications more user-friendly and efficient. However, the current permission-based sensor management systems of smart devices only…

Cryptography and Security · Computer Science 2019-10-25 Amit Kumar Sikder , Hidayet Aksu , A. Selcuk Uluagac

This paper presents a method for continuous indoor-outdoor environment detection on mobile devices based solely on WiFi fingerprints. Detection of indoor outdoor switching is an important part of identifying a user's context, and it…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Guy Shtar , Bracha Shapira , Lior Rokach

Modern operating systems such as Android, iOS, Windows Phone, and Chrome OS support a cooperating program abstraction. Instead of placing all functionality into a single program, programs cooperate to complete tasks requested by users.…

Cryptography and Security · Computer Science 2018-08-17 Giuseppe Petracca , Jens Grossklags , Patrick McDaniel , Trent Jaeger

Credential theft and remote attacks are the most serious threats to user authentication mechanisms. The crux of these problems is that we cannot control such behaviors. However, if a password does not contain user secrets, stealing it is…

Cryptography and Security · Computer Science 2024-06-03 Suyun Borjigin

With the advancement of IoT technology, recognizing user activities with machine learning methods is a promising way to provide various smart services to users. High-quality data with privacy protection is essential for deploying such…

Human-Computer Interaction · Computer Science 2024-01-18 Hyunju Kim , Geon Kim , Taehoon Lee , Kisoo Kim , Dongman Lee

Active authentication is the problem of continuously verifying the identity of a person based on behavioral aspects of their interaction with a computing device. In this study, we collect and analyze behavioral biometrics data from…

Cryptography and Security · Computer Science 2016-11-15 Lex Fridman , Steven Weber , Rachel Greenstadt , Moshe Kam

With the rapid advancement of wireless network technology, usage of WSN in real time applications like military, forest monitoring etc. found increasing. Generally WSN operate in an unattended environment and handles critical data.…

Cryptography and Security · Computer Science 2013-11-14 Chandra Sekhar Vorugunti , Mrudula Sarvabhatla

Lighting normalization is a crucial but underexplored restoration task with broad applications. However, existing works often simplify this task within the context of shadow removal, limiting the light sources to one and oversimplifying the…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Florin-Alexandru Vasluianu , Tim Seizinger , Zongwei Wu , Rakesh Ranjan , Radu Timofte

Sensitive inferences and user re-identification are major threats to privacy when raw sensor data from wearable or portable devices are shared with cloud-assisted applications. To mitigate these threats, we propose mechanisms to transform…

Machine Learning · Computer Science 2019-11-15 Mohammad Malekzadeh , Richard G. Clegg , Andrea Cavallaro , Hamed Haddadi

Accurate detection of human presence in indoor environments is important for various applications, such as energy management and security. In this paper, we propose a novel system for human presence detection using the channel state…

Machine Learning · Computer Science 2024-02-09 Li-Hsiang Shen , An-Hung Hsiao , Kuan-I Lu , Kai-Ten Feng

Using the keyboard LEDs to send data optically was proposed in 2002 by Loughry and Umphress [1] (Appendix A). In this paper we extensively explore this threat in the context of a modern cyber-attack with current hardware and optical…

Cryptography and Security · Computer Science 2019-07-15 Mordechai Guri , Boris Zadov , Dima Bykhovsky , Yuval Elovici

The traditional two-factor authentication (2FA) methods primarily rely on the user manually entering a code or token during the authentication process. This can be burdensome and time-consuming, particularly for users who must be…

Cryptography and Security · Computer Science 2024-01-15 Ali Abdullah S. AlQahtani , Thamraa Alshayeb , Mahmoud Nabil , Ahmad Patooghy

This paper presents BodyPIN, which is a continuous user authentication system by contactless wireless sensing using commodity Wi-Fi. BodyPIN can track the current user's legal identity throughout a computer system's execution. In case the…

Cryptography and Security · Computer Science 2019-05-20 Fei Wang , Zhenjiang Li , Jinsong Han

The modern surge in camera usage alongside widespread computer vision technology applications poses significant privacy and security concerns. Current artificial intelligence (AI) technologies aid in recognizing relevant events and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jhon Lopez , Carlos Hinojosa , Henry Arguello , Bernard Ghanem

Despite the advances in extracting local features achieved by handcrafted and learning-based descriptors, they are still limited by the lack of invariance to non-rigid transformations. In this paper, we present a new approach to compute…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Guilherme Potje , Renato Martins , Felipe Cadar , Erickson R. Nascimento

Cyber attacks has always been of a great concern. Websites and services with poor security layers are the most vulnerable to such cyber attacks. The attackers can easily access sensitive data like credit card details and social security…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Soumyatattwa Kar , Abhishek Bamotra , Bhavya Duvvuri , Radhika Mohanan

Personal sensory data is used by context-aware mobile applications to provide utility. However, the same data can also be used by an adversary to make sensitive inferences about a user thereby violating her privacy. We present DEEProtect, a…

Cryptography and Security · Computer Science 2017-11-20 Changchang Liu , Supriyo Chakraborty , Prateek Mittal