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In an era of escalating cyber threats, malware poses significant risks to individuals and organizations, potentially leading to data breaches, system failures, and substantial financial losses. This study addresses the urgent need for…

Cryptography and Security · Computer Science 2025-01-28 Marzieh Esnaashari , Nima Moradi

Can we trust Large Language Models (LLMs) to accurately predict scam? This paper investigates the vulnerabilities of LLMs when facing adversarial scam messages for the task of scam detection. We addressed this issue by creating a…

Cryptography and Security · Computer Science 2025-11-05 Chen-Wei Chang , Shailik Sarkar , Shutonu Mitra , Qi Zhang , Hossein Salemi , Hemant Purohit , Fengxiu Zhang , Michin Hong , Jin-Hee Cho , Chang-Tien Lu

We present a new machine learning and text information extraction approach to detection of cyber threat events in Twitter that are novel (previously non-extant) and developing (marked by significance with respect to similarity with a…

Information Retrieval · Computer Science 2019-07-19 Avishek Bose , Vahid Behzadan , Carlos Aguirre , William H. Hsu

Threat hunting analyzes large, noisy, high-dimensional data to find sparse adversarial behavior. We believe adversarial activities, however they are disguised, are extremely difficult to completely obscure in high dimensional space. In this…

Artificial Intelligence · Computer Science 2024-11-12 Alaric Hartsock , Luiz Manella Pereira , Glenn Fink

Activities of terrorist groups present a serious threat to the security and well-being of the general public. Counterterrorism authorities aim to identify and frustrate the plans of terrorist groups before they are put into action. Whilst…

Social and Information Networks · Computer Science 2021-12-17 Aditi Shenvi , F. Oliver Bunnin , Jim Q. Smith

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

The rapidly evolving Android malware ecosystem demands high-quality, real-time datasets as a foundation for effective detection and defense. With the widespread adoption of mobile devices across industrial systems, they have become a…

Cryptography and Security · Computer Science 2025-10-21 Hongpeng Bai , Minhong Dong , Yao Zhang , Shunzhe Zhao , Haobo Zhang , Lingyue Li , Yude Bai , Guangquan Xu

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

Online Radicalization (also called Cyber-Terrorism or Extremism or Cyber-Racism or Cyber- Hate) is widespread and has become a major and growing concern to the society, governments and law enforcement agencies around the world. Research…

Information Retrieval · Computer Science 2013-01-22 Denzil Correa , Ashish Sureka

With the increasing use of multi-cloud environments, security professionals face challenges in configuration, management, and integration due to uneven security capabilities and features among providers. As a result, a fragmented approach…

Cryptography and Security · Computer Science 2023-07-10 Morgan Reece , Theodore Edward Lander , Matthew Stoffolano , Andy Sampson , Josiah Dykstra , Sudip Mittal , Nidhi Rastogi

The confluence of technological and societal advances is changing the nature of global terrorism. For example, engagement with Web, social media, and smart devices has the potential to affect the mental behavior of the individuals and…

Computers and Society · Computer Science 2019-10-04 Vahid Moraveji Hashemi

With the generalization of mobile communication systems, solicitations of all kinds in the form of messages and emails are received by users with increasing proportion of malicious ones. They are customized to pass anti-spam filters and ask…

Cryptography and Security · Computer Science 2017-06-30 P-Y. Cousin , V. Bernard , A. Lefaillet , M. Mugaruka , C. Raibaud

The automated detection of conspiracy theories online typically relies on supervised learning. However, creating respective training data requires expertise, time and mental resilience, given the often harmful content. Moreover, available…

Computation and Language · Computer Science 2025-01-22 Milena Pustet , Elisabeth Steffen , Helena Mihaljević

Toxic and antisocial user behavior on social media platforms has received considerable scholarly attention due to its detrimental effects on society. This study takes a holistic perspective on the phenomenon of online toxicity by…

Social and Information Networks · Computer Science 2025-11-24 Lorenzo Alvisi , Victoria Popa , Guglielmo Cola , Serena Tardelli , Maurizio Tesconi

A defining characteristic of conspiracy texts is that they negotiate power and identity by recontextualizing prior knowledge. This dynamic has been shown to intensify on social media, where knowledge sources can readily be integrated into…

Computers and Society · Computer Science 2024-04-30 Tom Willaert

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

With the rapid development of technology and the acceleration of digitalisation, the frequency and complexity of cyber security threats are increasing. Traditional cybersecurity approaches, often based on static rules and predefined…

Cryptography and Security · Computer Science 2025-04-29 Shuang Tian , Tao Zhang , Jiqiang Liu , Jiacheng Wang , Xuangou Wu , Xiaoqiang Zhu , Ruichen Zhang , Weiting Zhang , Zhenhui Yuan , Shiwen Mao , Dong In Kim

The increasing pervasiveness of social media creates new opportunities to study human social behavior, while challenging our capability to analyze their massive data streams. One of the emerging tasks is to distinguish between different…

Social and Information Networks · Computer Science 2017-03-07 Emilio Ferrara , Mohsen JafariAsbagh , Onur Varol , Vahed Qazvinian , Filippo Menczer , Alessandro Flammini

Cybersecurity attacks are growing both in frequency and sophistication over the years. This increasing sophistication and complexity call for more advancement and continuous innovation in defensive strategies. Traditional methods of…

Machine Learning · Computer Science 2020-01-20 Antoine Delplace , Sheryl Hermoso , Kristofer Anandita

In recent years, there has been a noticeable increase in cyberattacks using ransomware. Attackers use this malicious software to break into networks and harm computer systems. This has caused significant and lasting damage to various…

Cryptography and Security · Computer Science 2024-02-06 Ali Mehrban , Shirin Karimi Geransayeh