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Intrusion Detection Systems (IDS) enhanced with Machine Learning (ML) have demonstrated the capacity to efficiently build a prototype of "normal" cyber behaviors in order to detect cyber threats' activity with greater accuracy than…

Cryptography and Security · Computer Science 2021-04-23 Vance Wong , John Emanuello

Large Language Models (LLMs) have demonstrated strong capabilities in natural language reasoning, yet their application to Cyber Threat Intelligence (CTI) remains limited. CTI analysis involves distilling large volumes of unstructured…

Cryptography and Security · Computer Science 2026-02-17 Md Tanvirul Alam , Dipkamal Bhusal , Salman Ahmad , Nidhi Rastogi , Peter Worth

Developing intelligent, interoperable Cyber Threat Information (CTI) sharing technologies can help build strong defences against modern cyber threats. CTIs allow the community to share information about cybercriminals' threats and…

Cryptography and Security · Computer Science 2023-01-10 Alexandros Papanikolaou , Aggelos Alevizopoulos , Christos Ilioudis , Konstantinos Demertzis , Konstantinos Rantos

Cyber attacks are rapidly increasing with the advancement of technology and there is no protection for our information. To prevent future cyberattacks it is critical to promptly recognize cyberattacks and establish strong defense mechanisms…

Cryptography and Security · Computer Science 2025-09-16 Sawera Shahid , Umara Noor , Zahid Rashid

Cyber threat intelligence is the provision of evidence-based knowledge about existing or emerging threats. Benefits from threat intelligence include increased situational awareness, efficiency in security operations, and improved…

Cryptography and Security · Computer Science 2023-08-29 Vasileios Mavroeidis , Siri Bromander

Over the last years, threat intelligence sharing has steadily grown, leading cybersecurity professionals to access increasingly larger amounts of heterogeneous data. Among those, cyber attacks' Tactics, Techniques and Procedures (TTPs) have…

Cryptography and Security · Computer Science 2020-04-30 Valentine Legoy , Marco Caselli , Christin Seifert , Andreas Peter

The uses of Machine Learning (ML) in detection of network attacks have been effective when designed and evaluated in a single organisation. However, it has been very challenging to design an ML-based detection system by utilising…

Machine Learning · Computer Science 2023-05-12 Mohanad Sarhan , Siamak Layeghy , Nour Moustafa , Marius Portmann

Cyber Threat Intelligence (CTI) is critical for mitigating threats to organizations, governments, and institutions, yet the necessary data are often dispersed across diverse formats. AI-driven solutions for CTI Information Extraction (IE)…

Cryptography and Security · Computer Science 2025-01-14 Olga Sorokoletova , Emanuele Antonioni , Giordano Colò

Despite the high volume of open-source Cyber Threat Intelligence (CTI), our understanding of long-term threat actor-victim dynamics remains fragmented due to inconsistent reporting standards and the lack of structured datasets containing…

Cryptography and Security · Computer Science 2026-05-22 Manuel Suarez-Roman , Francesco Marchiori , Mauro Conti , Juan Tapiador

The valuation of Cyber Threat Intelligence (CTI) remains a persistent challenge due to the problem of negative evidence: successful threat prevention results in non-events that generate minimal observable financial impact, making CTI…

Cryptography and Security · Computer Science 2025-07-24 Matteo Strada

Large language models (LLMs) can be used to analyze cyber threat intelligence (CTI) data from cybercrime forums, which contain extensive information and key discussions about emerging cyber threats. However, to date, the level of accuracy…

SIEM systems are prevalent and play a critical role in a variety of analyst workflows in Security Operation Centers. However, modern SIEMs face a big challenge: they still cannot relieve analysts from the repetitive tasks involved in…

Cryptography and Security · Computer Science 2024-07-19 PeiYu Tseng , ZihDwo Yeh , Xushu Dai , Peng Liu

Many organizations rely on Threat Intelligence (TI) feeds to assess the risk associated with security threats. Due to the volume and heterogeneity of data, it is prohibitive to manually analyze the threat information available in different…

Cryptography and Security · Computer Science 2024-09-13 Kajal Patel , Zubair Shafiq , Mateus Nogueira , Daniel Sadoc Menasché , Enrico Lovat , Taimur Kashif , Ashton Woiwood , Matheus Martins

Stealing attack against controlled information, along with the increasing number of information leakage incidents, has become an emerging cyber security threat in recent years. Due to the booming development and deployment of advanced…

Cryptography and Security · Computer Science 2021-11-16 Yuantian Miao , Chao Chen , Lei Pan , Qing-Long Han , Jun Zhang , Yang Xiang

Cybersecurity has become a crucial concern in the field of connected autonomous vehicles. Cyber threat intelligence (CTI), as the collection of cyber threat information, offers an ideal way for responding to emerging cyber threats and…

Cryptography and Security · Computer Science 2024-10-22 Yinghui Wang , Yilong Ren , Zhiyong Cui , Haiyang Yu

In this article, we propose the Artificial Intelligence Security Taxonomy to systematize the knowledge of threats, vulnerabilities, and security controls of machine-learning-based (ML-based) systems. We first classify the damage caused by…

Cryptography and Security · Computer Science 2023-01-20 Yusuke Kawamoto , Kazumasa Miyake , Koichi Konishi , Yutaka Oiwa

As large language models (LLMs) continue to evolve, their potential use in automating cyberattacks becomes increasingly likely. With capabilities such as reconnaissance, exploitation, and command execution, LLMs could soon become integral…

Cryptography and Security · Computer Science 2024-10-22 Daniel Ayzenshteyn , Roy Weiss , Yisroel Mirsky

Recently, advances in deep learning have been observed in various fields, including computer vision, natural language processing, and cybersecurity. Machine learning (ML) has demonstrated its ability as a potential tool for anomaly…

Cryptography and Security · Computer Science 2023-10-31 D'Jeff Kanda Nkashama , Arian Soltani , Jean-Charles Verdier , Marc Frappier , Pierre-Martin Tardif , Froduald Kabanza

The automation of Cyber Threat Intelligence (CTI) relies heavily on Named Entity Recognition (NER) to extract critical entities from unstructured text. Currently, Large Language Models (LLMs) primarily address this task through…

Cryptography and Security · Computer Science 2025-12-23 Jiaren Peng , Hongda Sun , Xuan Tian , Cheng Huang , Zeqing Li , Rui Yan

Analyzing Open Source Intelligence (OSINT) from large volumes of data is critical for drafting and publishing comprehensive CTI reports. This process usually follows a three-stage workflow -- triage, deep search and TI drafting. While Large…

Cryptography and Security · Computer Science 2026-03-11 Xiangsen Chen , Xuan Feng , Shuo Chen , Matthieu Maitre , Sudipto Rakshit , Diana Duvieilh , Ashley Picone , Nan Tang