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Generative diffusion models, including Stable Diffusion and Midjourney, can generate visually appealing, diverse, and high-resolution images for various applications. These models are trained on billions of internet-sourced images, raising…

The rapid expansion of cloud infrastructures and distributed identity systems has significantly increased the complexity and attack surface of modern enterprises. Traditional rule based or signature driven detection systems are often…

Cryptography and Security · Computer Science 2025-12-12 Venkata Tanuja Madireddy

Insider threats (InTs) within organizations are small in number but have a disproportionate ability to damage systems, information, and infrastructure. Existing InT research studies the problem from psychological, technical, and educational…

Cryptography and Security · Computer Science 2025-04-01 Haywood Gelman , John D. Hastings , David Kenley , Eleanor Loiacono

Many computer vision systems require users to upload image features to the cloud for processing and storage. These features can be exploited to recover sensitive information about the scene or subjects, e.g., by reconstructing the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Mihai Dusmanu , Johannes L. Schönberger , Sudipta N. Sinha , Marc Pollefeys

Insider threats often reveal early anomalies through disruptions in behavioral statistics-such as altered recurrence patterns or short-versus long-term frequency shifts-rather than changes in event semantics. Yet, as the field has shifted…

Social and Information Networks · Computer Science 2026-05-19 Kaichuan Kong , Dongjie Liu , Xiaobo Jin , Guanggang Geng

Recent studies have shown that deep convolutional neural networks (DCNN) are vulnerable to adversarial examples and sensitive to perceptual quality as well as the acquisition condition of images. These findings raise a big concern for the…

Machine Learning · Computer Science 2020-04-15 Yeli Feng , Yiyu Cai

Cyber Threat hunting is a proactive search for known attack behaviors in the organizational information system. It is an important component to mitigate advanced persistent threats (APTs). However, the attack behaviors recorded in…

Cryptography and Security · Computer Science 2021-04-21 Renzheng Wei , Lijun Cai , Aimin Yu , Dan Meng

Until two decades ago, industrial networks were deemed secure due to physical separation from public networks. An abundance of successful attacks proved that assumption wrong. Intrusion detection solutions for industrial application need to…

Cryptography and Security · Computer Science 2019-07-10 Simon D. Duque Anton , Daniel Fraunholz , Hans Dieter Schotten

Intrusion detection has been a commonly adopted detective security measures to safeguard systems and networks from various threats. A robust intrusion detection system (IDS) can essentially mitigate threats by providing alerts. In networks…

Cryptography and Security · Computer Science 2024-11-06 Maraz Mia , Mir Mehedi A. Pritom , Tariqul Islam , Kamrul Hasan

With the enormous usage of digital media in almost every sphere from education to entertainment, the security of sensitive information has been a concern. As images are the most frequently used means to convey information, therefore the…

Cryptography and Security · Computer Science 2022-10-05 Gurpreet Kaur , Rekha Agarwal , Vinod Patidar

This paper proposes to develop a network phenotyping mechanism based on network resource usage analysis and identify abnormal network traffic. The network phenotyping may use different metrics in the cyber physical system (CPS), including…

Networking and Internet Architecture · Computer Science 2018-03-06 Minhui Zou , Chengliang Wang , Fangyu Li , WenZhan Song

Quality feature representation is key to instance image retrieval. To attain it, existing methods usually resort to a deep model pre-trained on benchmark datasets or even fine-tune the model with a task-dependent labelled auxiliary dataset.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Zhongyan Zhang , Lei Wang , Yang Wang , Luping Zhou , Jianjia Zhang , Peng Wang , Fang Chen

Dataset bias is a problem in adversarial machine learning, especially in the evaluation of defenses. An adversarial attack or defense algorithm may show better results on the reported dataset than can be replicated on other datasets. Even…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Camilo Pestana , Wei Liu , David Glance , Ajmal Mian

Insider threat detection presents a significant challenge due to the deceptive nature of malicious behaviors, which often resemble legitimate user operations. However, existing approaches typically model system logs as flat event sequences,…

Cryptography and Security · Computer Science 2025-08-11 Kaichuan Kong , Dongjie Liu , Xiaobo Jin , Zhiying Li , Guanggang Geng

Face recognition can benefit from the utilization of depth data captured using low-cost cameras, in particular for presentation attack detection purposes. Depth video output from these capture devices can however contain defects such as…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Torsten Schlett , Christian Rathgeb , Christoph Busch

The volume of malware and the number of attacks in IoT devices are rising everyday, which encourages security professionals to continually enhance their malware analysis tools. Researchers in the field of cyber security have extensively…

Cryptography and Security · Computer Science 2022-04-05 Meysam Ghahramani , Rahim Taheri , Mohammad Shojafar , Reza Javidan , Shaohua Wan

Most of the intrusion detection methods in computer networks are based on traffic flow characteristics. However, this approach may not fully exploit the potential of deep learning algorithms to directly extract features and patterns from…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Aleksander Ogonowski , Michał Żebrowski , Arkadiusz Ćwiek , Tobiasz Jarosiewicz , Konrad Klimaszewski , Adam Padee , Piotr Wasiuk , Michał Wójcik

Labeled data sets are necessary to train and evaluate anomaly-based network intrusion detection systems. This work provides a focused literature survey of data sets for network-based intrusion detection and describes the underlying packet-…

Cryptography and Security · Computer Science 2019-07-09 Markus Ring , Sarah Wunderlich , Deniz Scheuring , Dieter Landes , Andreas Hotho

Insider Attack Detection in commercial networks is a critical problem that does not have any good solutions at this current time. The problem is challenging due to the lack of visibility into live networks and a lack of a standard feature…

Cryptography and Security · Computer Science 2020-10-30 Yash Samtani , Jesse Elwell

This research recasts the network attack dataset from UNSW-NB15 as an intrusion detection problem in image space. Using one-hot-encodings, the resulting grayscale thumbnails provide a quarter-million examples for deep learning algorithms.…

Cryptography and Security · Computer Science 2021-03-16 David A. Noever , Samantha E. Miller Noever