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Cyber Threat Intelligence (CTI) enables organizations to anticipate, detect, and mitigate evolving cyber threats. Its effectiveness depends on high-quality datasets, which support model development, training, evaluation, and benchmarking.…

Cryptography and Security · Computer Science 2025-09-26 Dincy R. Arikkat , Sneha B. T. , Serena Nicolazzo , Antonino Nocera , Vinod P. , Rafidha Rehiman K. A. , Karthika R

Proactive approaches to security, such as adversary emulation, leverage information about threat actors and their techniques (Cyber Threat Intelligence, CTI). However, most CTI still comes in unstructured forms (i.e., natural language),…

Cryptography and Security · Computer Science 2022-08-26 Vittorio Orbinato , Mariarosaria Barbaraci , Roberto Natella , Domenico Cotroneo

Facing the dynamic complex cyber environments, internal and external cyber threat intelligence, and the increasing risk of cyber-attack, knowledge graphs show great application potential in the cyber security area because of their…

Cryptography and Security · Computer Science 2022-04-12 Kai Liu , Fei Wang , Zhaoyun Ding , Sheng Liang , Zhengfei Yu , Yun Zhou

Cyber Threat Intelligence (CTI) reports contain Indicators of Compromise (IOCs) that are critical for security operations. To operationalize these IOCs across heterogeneous logs, analysts often convert them into regular expressions…

Cryptography and Security · Computer Science 2026-04-15 Pei-Yu Tseng , Lan Zhang , ZihDwo Yeh , Xiaoyan Sun , Xushu Dai , Peng Liu

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

The vast majority of cybersecurity information is unstructured text, including critical data within databases such as CVE, NVD, CWE, CAPEC, and the MITRE ATT&CK Framework. These databases are invaluable for analyzing attack patterns and…

Cryptography and Security · Computer Science 2024-12-24 Tanjim Bin Faruk

Cyber Threat Intelligence (CTI) reporting is pivotal in contemporary risk management strategies. As the volume of CTI reports continues to surge, the demand for automated tools to streamline report generation becomes increasingly apparent.…

Cryptography and Security · Computer Science 2023-10-05 Filippo Perrina , Francesco Marchiori , Mauro Conti , Nino Vincenzo Verde

Large language models (LLMs) are increasingly used to help security analysts manage the surge of cyber threats, automating tasks from vulnerability assessment to incident response. Yet in operational CTI workflows, reliability gaps remain…

Cryptography and Security · Computer Science 2026-05-29 Yuqiao Meng , Luoxi Tang , Feiyang Yu , Jinyuan Jia , Guanhua Yan , Ping Yang , Zhaohan Xi

Cybersecurity information sharing (CIS) is envisioned to protect organizations more effectively from advanced cyber attacks. However, a completely automated CIS platform is not widely adopted. The major challenges are: (1) the absence of a…

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

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…

Industry 5.0's increasing integration of IT and OT systems is transforming industrial operations but also expanding the cyber-physical attack surface. Industrial Control Systems (ICS) face escalating security challenges as traditional…

Cryptography and Security · Computer Science 2026-03-06 Padmeswari Nandiya , Ahmad Mohsin , Ahmed Ibrahim , Iqbal H. Sarker , Helge Janicke

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 extraction of cyber threat intelligence (CTI) from open sources is a rapidly expanding defensive strategy that enhances the resilience of both Information Technology (IT) and Operational Technology (OT) environments against large-scale…

Cryptography and Security · Computer Science 2024-02-16 Prasasthy Balasubramanian , Sadaf Nazari , Danial Khosh Kholgh , Alireza Mahmoodi , Justin Seby , Panos Kostakos

Cyber threat and attack intelligence information are available in non-standard format from heterogeneous sources. Comprehending them and utilizing them for threat intelligence extraction requires engaging security experts. Knowledge graphs…

Cryptography and Security · Computer Science 2021-02-11 Sharmishtha Dutta , Nidhi Rastogi , Destin Yee , Chuqiao Gu , Qicheng Ma

As cyber threats continue to grow in complexity, traditional security mechanisms struggle to keep up. Large language models (LLMs) offer significant potential in cybersecurity due to their advanced capabilities in text processing and…

Computation and Language · Computer Science 2025-11-10 Tiago Dinis , Miguel Correia , Roger Tavares

Network threat detection has been challenging due to the complexities of attack activities and the limitation of historical threat data to learn from. To help enhance the existing practices of using analytics, machine learning, and…

Machine Learning · Computer Science 2025-05-15 Lili Zhang , Quanyan Zhu , Herman Ray , Ying Xie

Cyber threat intelligence (CTI) encoded in STIX and structured according to the MITRE ATT&CK framework has become a global reference for describing adversary behavior. However, ATT&CK was designed as a descriptive knowledge base rather than…

Cryptography and Security · Computer Science 2026-05-08 Ágney Lopes Roth Ferraz , Sidnei Barbieri , Murray Evangelista de Souza , Lourenço Alves Pereira Júnior

Sharing methods of attack and their effectiveness is a cornerstone of building robust defensive systems. Threat analysis reports, produced by various individuals and organizations, play a critical role in supporting security operations and…

Cryptography and Security · Computer Science 2025-07-23 Ahmed Lekssays , Husrev Taha Sencar , Ting Yu

Extracting MITRE ATT\&CK Tactics, Techniques, and Procedures (TTPs) from natural language threat reports is crucial yet challenging. Existing methods primarily focus on performance metrics using data-driven approaches, often neglecting…

Cryptography and Security · Computer Science 2025-05-15 Cheng Meng , ZhengWei Jiang , QiuYun Wang , XinYi Li , ChunYan Ma , FangMing Dong , FangLi Ren , BaoXu Liu