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The ability to monitor and interpret of hardware system events and behaviors are crucial to improving the robustness and reliability of these systems, especially in a supercomputing facility. The growing complexity and scale of these…

Human-Computer Interaction · Computer Science 2023-06-19 Shilpika , Bethany Lusch , Murali Emani , Filippo Simini , Venkatram Vishwanath , Michael E. Papka , Kwan-Liu Ma

Deepfake videos present an increasing threat to society with potentially negative impact on criminal justice, democracy, and personal safety and privacy. Meanwhile, detecting deepfakes, at scale, remains a very challenging task that often…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Mulin Tian , Mahyar Khayatkhoei , Joe Mathai , Wael AbdAlmageed

Mental health conditions remain underdiagnosed even in countries with common access to advanced medical care. The ability to accurately and efficiently predict mood from easily collectible data has several important implications for the…

Modern software systems generate extensive heterogeneous log data with dynamic formats, fragmented event sequences, and varying temporal patterns, making anomaly detection both crucial and challenging. To address these complexities, we…

Artificial Intelligence · Computer Science 2025-12-17 Przemek Pospieszny , Wojciech Mormul , Karolina Szyndler , Sanjeev Kumar

Security, defined as protection against external threats, is a critical concern for homes and offices. Intrusion, characterized by unauthorized access, presents a significant challenge to maintaining security. This research aims to address…

Cryptography and Security · Computer Science 2024-06-11 Victor Arinde , Liberty Idowu

Automatic log file analysis enables early detection of relevant incidents such as system failures. In particular, self-learning anomaly detection techniques capture patterns in log data and subsequently report unexpected log event…

Machine Learning · Computer Science 2023-05-16 Max Landauer , Sebastian Onder , Florian Skopik , Markus Wurzenberger

As the IT industry advances, system log data becomes increasingly crucial. Many computer systems rely on log texts for management due to restricted access to source code. The need for log anomaly detection is growing, especially in…

Machine Learning · Computer Science 2023-11-10 Gunho No , Yukyung Lee , Hyeongwon Kang , Pilsung Kang

Identification of anomalous events within system logs constitutes a pivotal element within the frame- work of cybersecurity defense strategies. However, this process faces numerous challenges, including the management of substantial data…

Cryptography and Security · Computer Science 2025-10-21 Zeng Zhang , Wenjie Yin , Xiaoqi Li

Enterprises and organizations are faced with potential threats from insider employees that may lead to serious consequences. Previous studies on insider threat detection (ITD) mainly focus on detecting abnormal users or abnormal time…

Cryptography and Security · Computer Science 2024-03-19 Xiangrui Cai , Yang Wang , Sihan Xu , Hao Li , Ying Zhang , Zheli Liu , Xiaojie Yuan

With the rapid development of artificial intelligence technology, the application of deepfake technology in the audio field has gradually increased, resulting in a wide range of security risks. Especially in the financial and social…

Sound · Computer Science 2024-12-13 Yangguang Feng

Software logs are messages recorded during the execution of a software system that provide crucial run-time information about events and activities. Although software logs have a critical role in software maintenance and operation tasks,…

Software Engineering · Computer Science 2025-05-22 Roozbeh Aghili , Xingfang Wu , Foutse Khomh , Heng Li

Most of today's security solutions, such as security information and event management (SIEM) and signature based IDS, require the operator to evaluate potential attack vectors and update detection signatures and rules in a timely manner.…

Cryptography and Security · Computer Science 2021-01-19 Markus Wurzenberger , Florian Skopik , Roman Fiedler , Wolfgang Kastner

Predicting multivariate time series is crucial, demanding precise modeling of intricate patterns, including inter-series dependencies and intra-series variations. Distinctive trend characteristics in each time series pose challenges, and…

Machine Learning · Computer Science 2024-07-08 Guoqi Yu , Jing Zou , Xiaowei Hu , Angelica I. Aviles-Rivero , Jing Qin , Shujun Wang

The identification of undesirable behavior in event logs is an important aspect of process mining that is often addressed by anomaly detection methods. Traditional anomaly detection methods tend to focus on statistically rare behavior and…

Artificial Intelligence · Computer Science 2024-07-01 Kiran Busch , Timotheus Kampik , Henrik Leopold

While time-frequency analysis provides rich representations of multicomponent signals, current decomposition methods often overlook the morphological structure where components manifest as distinct regions. This study introduces…

Signal Processing · Electrical Eng. & Systems 2025-11-26 Wei Zhou , Wei-Jian Li , Desen Zhu , Hongbin Xu , Wei-Xin Ren

Detecting system anomalies based on log data is important for ensuring the security and reliability of computer systems. Recently, deep learning models have been widely used for log anomaly detection. The core idea is to model the log…

Machine Learning · Computer Science 2023-12-12 Xiao Han , Shuhan Yuan , Mohamed Trabelsi

Nowadays large computers extensively output logs to record the runtime status and it has become crucial to identify any suspicious or malicious activities from the information provided by the realtime logs. Thus, fast log anomaly detection…

Machine Learning · Computer Science 2024-04-16 Yifei Lin , Hanqiu Deng , Xingyu Li

Face morphing attacks present a significant threat to face recognition systems used in electronic identity enrolment and border control, particularly in single-image morphing attack detection (S-MAD) scenarios where no trusted reference is…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Diogo J. Paulo , Hugo Proença , João C. Neves

Logs are imperative in the maintenance of online service systems, which often encompass important information for effective failure mitigation. While existing anomaly detection methodologies facilitate the identification of anomalous logs…

Software Engineering · Computer Science 2024-09-23 Junjie Huang , Zhihan Jiang , Jinyang Liu , Yintong Huo , Jiazhen Gu , Zhuangbin Chen , Cong Feng , Hui Dong , Zengyin Yang , Michael R. Lyu

Insider threats pose a significant challenge to organizational security, often evading traditional rule-based detection systems due to their subtlety and contextual nature. This paper presents an AI-powered Insider Risk Management (IRM)…

Cryptography and Security · Computer Science 2025-05-08 Lokesh Koli , Shubham Kalra , Rohan Thakur , Anas Saifi , Karanpreet Singh
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