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Audit logs containing system level events are frequently used for behavior modeling as they can provide detailed insight into cyber-threat occurrences. However, mapping low-level system events in audit logs to highlevel behaviors has been a…

Cryptography and Security · Computer Science 2023-12-14 Mohammad Mamun , Scott Buffett

Advanced Persistent Threats (APTs) are difficult to detect due to their "low-and-slow" attack patterns and frequent use of zero-day exploits. We present UNICORN, an anomaly-based APT detector that effectively leverages data provenance…

Cryptography and Security · Computer Science 2020-01-15 Xueyuan Han , Thomas Pasquier , Adam Bates , James Mickens , Margo Seltzer

Advanced persistent threats (APTs) are stealthy and multi-stage, making single-point defenses (e.g., malware- or traffic-based detectors) ill-suited to capture long-range and cross-entity attack semantics. Provenance-graph analysis has…

Cryptography and Security · Computer Science 2026-01-14 Mingqi Lv , Shanshan Zhang , Haiwen Liu , Tieming Chen , Tiantian Zhu

Despite its technological benefits, Internet of Things (IoT) has cyber weaknesses due to the vulnerabilities in the wireless medium. Machine learning (ML)-based methods are widely used against cyber threats in IoT networks with promising…

Cryptography and Security · Computer Science 2022-10-11 Zhiyan Chen , Jinxin Liu , Yu Shen , Murat Simsek , Burak Kantarci , Hussein T. Mouftah , Petar Djukic

Advanced persistent threats (APTs) are stealthy attacks which make use of social engineering and deception to give adversaries insider access to networked systems. Against APTs, active defense technologies aim to create and exploit…

Cryptography and Security · Computer Science 2019-01-24 Jeffrey Pawlick , Thi Thu Hang Nguyen , Edward Colbert , Quanyan Zhu

Insider threat is one of the most pernicious threat vectors to information and communication technologies (ICT)across the world due to the elevated level of trust and access that an insider is afforded. This type of threat can stem from…

Cryptography and Security · Computer Science 2021-02-11 Nidhi Rastogi , Qicheng Ma

In our current society, the inter-connectivity of devices provides easy access for netizens to utilize cyberspace technology for illegal activities. The deep web platform is a consummative ecosystem shielded by boundaries of trust,…

Cryptography and Security · Computer Science 2022-02-04 Victor Adewopo , Bilal Gonen , Nelly Elsayed , Murat Ozer , Zaghloul Saad Elsayed

Advanced Persistent Threats (APTs) represent a significant challenge in cybersecurity due to their prolonged, multi-stage nature and the sophistication of their operators. Traditional detection systems typically focus on identifying…

Cryptography and Security · Computer Science 2025-08-04 Alessandro Gaudenzi , Lorenzo Nodari , Lance Kaplan , Alessandra Russo , Murat Sensoy , Federico Cerutti

Intrusion detection into computer networks has become one of the most important issues in cybersecurity. Attackers keep on researching and coding to discover new vulnerabilities to penetrate information security system. In consequence…

Cryptography and Security · Computer Science 2020-12-17 Sergio Hidalgo-Espinoza , Kevin Chamorro-Cupueran , Oscar Chang-Tortolero

Insiders usually cause significant losses to organizations and are hard to detect. Currently, various approaches have been proposed to achieve insider threat detection based on analyzing the audit data that record information of the…

Cryptography and Security · Computer Science 2019-10-11 Shuhan Yuan , Panpan Zheng , Xintao Wu , Qinghua Li

The scarcity of data and the high complexity of Advanced Persistent Threats (APTs) attacks have created challenges in comprehending their behavior and hindered the exploration of effective detection techniques. To create an effective APT…

Cryptography and Security · Computer Science 2025-02-14 Almuthanna Alageel , Sergio Maffeis , Imperial College London

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…

Cryptography and Security · Computer Science 2025-09-03 Rujie Dai , Peizhuo Lv , Yujiang Gui , Qiujian Lv , Yuanyuan Qiao , Yan Wang , Degang Sun , Weiqing Huang , Yingjiu Li , XiaoFeng Wang

Insider attacks are one of the most challenging cybersecurity issues for companies, businesses and critical infrastructures. Despite the implemented perimeter defences, the risk of this kind of attack is still very high. In fact, the…

Cryptography and Security · Computer Science 2021-09-07 Efthimios Pantelidis , Gueltoum Bendiab , Stavros Shiaeles , Nicholas Kolokotronis

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

Our work explores the utilization of deep learning, specifically leveraging the CodeBERT model, to enhance code security testing for Python applications by detecting SQL injection vulnerabilities. Unlike traditional security testing methods…

Cryptography and Security · Computer Science 2025-08-29 Guan-Yan Yang , Yi-Heng Ko , Farn Wang , Kuo-Hui Yeh , Haw-Shiang Chang , Hsueh-Yi Chen

Malware allegedly developed by nation-states, also known as advanced persistent threats (APT), are becoming more common. The task of attributing an APT to a specific nation-state or classifying it to the correct APT family is challenging…

Cryptography and Security · Computer Science 2019-12-04 Ishai Rosenberg , Guillaume Sicard , Eli David

In recent years numerous advanced malware, aka advanced persistent threats (APT) are allegedly developed by nation-states. The task of attributing an APT to a specific nation-state is extremely challenging for several reasons. Each…

Cryptography and Security · Computer Science 2017-11-28 Ishai Rosenberg , Guillaume Sicard , Eli David

Insider threats represent one of the most critical challenges in modern cybersecurity. These threats arise from individuals within an organization who misuse their legitimate access to harm the organization's assets, data, or operations.…

Cryptography and Security · Computer Science 2025-05-22 Anas Ali , Mubashar Husain , Peter Hans

Advanced persistent threat (APT) is a kind of stealthy, sophisticated, and long-term cyberattack that has brought severe financial losses and critical infrastructure damages. Existing works mainly focus on APT defense under stable network…

Computer Science and Game Theory · Computer Science 2023-09-04 Zixuan Wang , Jiliang Li , Yuntao Wang , Zhou Su , Shui Yu , Weizhi Meng

Advanced Persistent Threats (APTs) are stealthy attacks that threaten the security and privacy of sensitive information. Interactions of APTs with victim system introduce information flows that are recorded in the system logs. Dynamic…

Optimization and Control · Mathematics 2021-06-29 Dinuka Sahabandu , Shana Moothedath , Joey Allen , Linda Bushnell , Wenke Lee , Radha Poovendran