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APT (Advanced Persistent Threat) with the characteristics of persistence, stealth, and diversity is one of the greatest threats against cyber-infrastructure. As a countermeasure, existing studies leverage provenance graphs to capture the…

密码学与安全 · 计算机科学 2024-09-12 Mingqi Lv , HongZhe Gao , Xuebo Qiu , Tieming Chen , Tiantian Zhu , Jinyin Chen , Shouling Ji

Software Defined Networking (SDN) has brought significant advancements in network management and programmability. However, this evolution has also heightened vulnerability to Advanced Persistent Threats (APTs), sophisticated and stealthy…

密码学与安全 · 计算机科学 2024-11-12 Hedyeh Nazari , Abbas Yazdinejad , Ali Dehghantanha , Fattane Zarrinkalam , Gautam Srivastava

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…

机器学习 · 计算机科学 2023-12-12 Xiao Han , Shuhan Yuan , Mohamed Trabelsi

Advanced Persistent Threats (APTs) are prolonged, stealthy intrusions by skilled adversaries that compromise high-value systems to steal data or disrupt operations. Reconstructing complete attack chains from massive, heterogeneous logs is…

密码学与安全 · 计算机科学 2025-09-03 Rujie Dai , Peizhuo Lv , Yujiang Gui , Qiujian Lv , Yuanyuan Qiao , Yan Wang , Degang Sun , Weiqing Huang , Yingjiu Li , XiaoFeng Wang

Advanced Persistent Threats (APTs) are a main impendence in cyber security of computer networks. In 2015, a successful breach remains undetected 146 days on average, reported by [Fi16].With our work we demonstrate a feasible and fast way to…

数据库 · 计算机科学 2018-02-02 Timo Schindler

Advanced persistent threats (APTs) pose significant challenges for organizations, leading to data breaches, financial losses, and reputational damage. Existing provenance-based approaches for APT detection often struggle with high false…

密码学与安全 · 计算机科学 2024-06-11 Yonatan Amaru , Prasanna Wudali , Yuval Elovici , Asaf Shabtai

Multi-stage threats like advanced persistent threats (APT) pose severe risks by stealing data and destroying infrastructure, with detection being challenging. APTs use novel attack vectors and evade signature-based detection by obfuscating…

密码学与安全 · 计算机科学 2024-06-21 Florian Nelles , Abbas Yazdinejad , Ali Dehghantanha , Reza M. Parizi , Gautam Srivastava

Advanced Persistent Threats (APTs) are sophisticated, targeted cyberattacks designed to gain unauthorized access to systems and remain undetected for extended periods. To evade detection, APT cyberattacks deceive defense layers with…

密码学与安全 · 计算机科学 2024-06-28 Sidahmed Benabderrahmane , Ngoc Hoang , Petko Valtchev , James Cheney , Talal Rahwan

Large language models have gained widespread prominence, yet their vulnerability to prompt injection and other adversarial attacks remains a critical concern. This paper argues for a security-by-design AI paradigm that proactively mitigates…

密码学与安全 · 计算机科学 2025-10-02 Dalal Alharthi , Ivan Roberto Kawaminami Garcia

The rapidly evolving cloud platforms and the escalating complexity of network traffic demand proper network traffic monitoring and anomaly detection to ensure network security and performance. This paper introduces a large language model…

网络与互联网体系结构 · 计算机科学 2025-04-28 Ze Yang , Yihong Jin , Juntian Liu , Xinhe Xu , Yihan Zhang , Shuyang Ji

The increasing digitization of smart grids has improved operational efficiency but also introduced new cybersecurity vulnerabilities, such as False Data Injection Attacks (FDIAs) targeting Automatic Generation Control (AGC) systems. While…

密码学与安全 · 计算机科学 2025-08-27 Muhammad Sharshar , Ahmad Mohammad Saber , Davor Svetinovic , Amr M. Youssef , Deepa Kundur , Ehab F. El-Saadany

Transformer-based models, such as BERT and GPT, have been widely adopted in natural language processing (NLP) due to their exceptional performance. However, recent studies show their vulnerability to textual adversarial attacks where the…

计算与语言 · 计算机科学 2023-12-01 Lujia Shen , Yuwen Pu , Shouling Ji , Changjiang Li , Xuhong Zhang , Chunpeng Ge , Ting Wang

Modern enterprise networks comprise diverse and heterogeneous systems that support a wide range of services, making it challenging for administrators to track and analyze sophisticated attacks such as advanced persistent threats (APTs),…

密码学与安全 · 计算机科学 2025-11-13 Seunghyeon Lee , Hyunmin Seo , Hwanjo Heo , Anduo Wang , Seungwon Shin , Jinwoo Kim

Modern cyber attackers use advanced zero-day exploits, highly targeted spear phishing, and other social engineering techniques to gain access and also use evasion techniques to maintain a prolonged presence within the victim network while…

密码学与安全 · 计算机科学 2023-10-03 Bibek Bhattarai , H. Howie Huang

Advanced Persistent Threat (APT) attacks are highly sophisticated and employ a multitude of advanced methods and techniques to target organizations and steal sensitive and confidential information. APT attacks consist of multiple stages and…

密码学与安全 · 计算机科学 2023-09-18 Huynh Thai Thi , Ngo Duc Hoang Son , Phan The Duy , Nghi Hoang Khoa , Khoa Ngo-Khanh , Van-Hau Pham

A cyber-attack is a malicious attempt by experienced hackers to breach the target information system. Usually, the cyber-attacks are characterized as hybrid TTPs (Tactics, Techniques, and Procedures) and long-term adversarial behaviors,…

密码学与安全 · 计算机科学 2021-12-17 Mingqi Lv , Chengyu Dong , Tieming Chen , Tiantian Zhu , Qijie Song , Yuan Fan

Advanced Persistent Threats (APTs) pose a significant security risk to organizations and industries. These attacks often lead to severe data breaches and compromise the system for a long time. Mitigating these sophisticated attacks is…

密码学与安全 · 计算机科学 2025-08-04 Ehsan Hallaji , Roozbeh Razavi-Far , Mehrdad Saif

Advance Persistent Threats (APTs), adopted by most delicate attackers, are becoming increasing common and pose great threat to various enterprises and institutions. Data provenance analysis on provenance graphs has emerged as a common…

密码学与安全 · 计算机科学 2023-10-17 Zian Jia , Yun Xiong , Yuhong Nan , Yao Zhang , Jinjing Zhao , Mi Wen

Advanced Persistent Threats (APT) attacks have plagued modern enterprises, causing significant financial losses. To counter these attacks, researchers propose techniques that capture the complex and stealthy scenarios of APT attacks by…

密码学与安全 · 计算机科学 2023-11-07 Shaofei Li , Feng Dong , Xusheng Xiao , Haoyu Wang , Fei Shao , Jiedong Chen , Yao Guo , Xiangqun Chen , Ding Li

Advanced Persistent Threats (APTs) represent a growing menace to modern digital infrastructure. Unlike traditional cyberattacks, APTs are stealthy, adaptive, and long-lasting, often bypassing signature-based detection systems. This paper…

密码学与安全 · 计算机科学 2025-08-27 Sidahmed Benabderrahmane , Talal Rahwan