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The knowledge on attacks contained in Cyber Threat Intelligence (CTI) reports is very important to effectively identify and quickly respond to cyber threats. However, this knowledge is often embedded in large amounts of text, and therefore…

Cryptography and Security · Computer Science 2021-04-20 Kiavash Satvat , Rigel Gjomemo , V. N. Venkatakrishnan

Verifying the credibility of Cyber Threat Intelligence (CTI) is essential for reliable cybersecurity defense. However, traditional approaches typically treat this task as a static classification problem, relying on handcrafted features or…

Cryptography and Security · Computer Science 2025-07-16 Fengxiao Tang , Huan Li , Ming Zhao , Zongzong Wu , Shisong Peng , Tao Yin

Cyber threat intelligence (CTI) is essential for effective system defense. CTI is a collection of information about current or past threats to a computer system. This information is gathered by an agent through observation, or based on a…

Cryptography and Security · Computer Science 2025-04-03 Laurent Bobelin , Sabine Frittella , Mariam Wehbe

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

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

Threat analysis is continuously growing in importance due to the always-increasing complexity and frequency of cyber attacks. Analyzing threats demands significant effort from security experts: different cybersecurity knowledge bases…

Cryptography and Security · Computer Science 2026-01-13 Andrea Ciavotta , Alessandro Palma , Simone Lenti , Silvia Bonomi

With frequently evolving Advanced Persistent Threats (APTs) in cyberspace, traditional security solutions approaches have become inadequate for threat hunting for organizations. Moreover, SOC (Security Operation Centers) analysts are often…

With the proliferation of digitization and its usage in critical sectors, it is necessary to include information about the occurrence and assessment of cyber threats in an organization's threat mitigation strategy. This Cyber Threat…

Cryptography and Security · Computer Science 2024-06-21 Alfonso Iacovazzi , Han Wang , Ismail Butun , Shahid Raza

Retrieval-Augmented Generation (RAG) has emerged as the dominant architectural pattern to operationalize Large Language Model (LLM) usage in Cyber Threat Intelligence (CTI) systems. However, this design is susceptible to poisoning attacks,…

Cryptography and Security · Computer Science 2025-12-17 Austin Jia , Avaneesh Ramesh , Zain Shamsi , Daniel Zhang , Alex Liu

With the increasing complexity of cyberattacks, the proactive and forward-looking nature of threat intelligence has become more crucial for threat detection and provenance analysis. However, translating high-level attack patterns described…

Cryptography and Security · Computer Science 2025-07-15 Jingwen Li , Ru Zhang , Jianyi Liu , Wanguo Zhao

In response to the escalating cyber threats, the efficiency of Cyber Threat Intelligence (CTI) data collection has become paramount in ensuring robust cybersecurity. However, existing works encounter significant challenges in preprocessing…

Cryptography and Security · Computer Science 2025-06-05 Jamal H. Al-Yasiri , Mohamad Fadli Bin Zolkipli , Nik Fatinah N Mohd Farid , Mohammed Alsamman , Zainab Ali Mohammed

Threat intelligence on malware attacks and campaigns is increasingly being shared with other security experts for a cost or for free. Other security analysts use this intelligence to inform them of indicators of compromise, attack…

Cryptography and Security · Computer Science 2023-01-20 Nidhi Rastogi , Sharmishtha Dutta , Mohammed J. Zaki , Alex Gittens , Charu Aggarwal

A formal cyber reasoning framework for automating the threat hunting process is described. The new cyber reasoning methodology introduces an operational semantics that operates over three subspaces -- knowledge, hypothesis, and action -- to…

Cryptography and Security · Computer Science 2021-04-22 Frederico Araujo , Dhilung Kirat , Xiaokui Shu , Teryl Taylor , Jiyong Jang

Cyber attacks threaten economic interests, critical infrastructure, and public health and safety. To counter this, entities adopt cyber threat hunting, a proactive approach that involves formulating hypotheses and searching for attack…

Cryptography and Security · Computer Science 2025-12-30 Mustafa F. Abdelwahed , Ahmed Shafee , Joan Espasa

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

The prospect of artificial intelligence (AI) competing in the adversarial landscape of cyber security has long been considered one of the most impactful, challenging, and potentially dangerous applications of AI. Here, we demonstrate a new…

Cryptography and Security · Computer Science 2025-02-25 Michael Kouremetis , Marissa Dotter , Alex Byrne , Dan Martin , Ethan Michalak , Gianpaolo Russo , Michael Threet , Guido Zarrella

This study introduces an innovative approach to automating Cyber Threat Intelligence (CTI) processes in industrial environments by leveraging Microsoft's AI-powered security technologies. Historically, CTI has heavily relied on manual…

Cryptography and Security · Computer Science 2024-10-29 Shrit Shah , Fatemeh Khoda Parast

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 Intelligence (CTI) plays a crucial role in assessing risks and enhancing security for organizations. However, the process of extracting relevant information from unstructured text sources can be expensive and time-consuming.…

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