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Related papers: Assessing and Prioritizing Ransomware Risk Based o…

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Over the years, online scams have grown dramatically, with nearly 50% of global consumers encountering scam attempts each week. These scams cause not only significant financial losses to individuals and businesses, but also lasting…

Cryptography and Security · Computer Science 2025-09-23 Shang Ma , Tianyi Ma , Jiahao Liu , Wei Song , Zhenkai Liang , Xusheng Xiao , Yanfang Ye

Malware proliferation and sophistication have drastically increased and evolved continuously. Recent indiscriminate ransomware victimizations have imposed critical needs of effective detection techniques to prevent damages. Therefore,…

Computers and Society · Computer Science 2020-05-13 Abdulrahman Alzahrani , Ali Alshehri , Hani Alshahrani , Huirong Fu

Crypto-ransomware attacks have been a growing threat over the last few years. The goal of every ransomware strain is encrypting user data, such that attackers can later demand users a ransom for unlocking their data. To maximise their…

Cryptography and Security · Computer Science 2025-01-23 Marco Venturini , Francesco Freda , Emanuele Miotto , Mauro Conti , Alberto Giaretta

To enhance the efficiency of incident response triage operations, it is not cost-effective to defend all systems equally in a complex cyber environment. Instead, prioritizing the defense of critical functionality and the most vulnerable…

Cryptography and Security · Computer Science 2023-03-28 Jinting Zhu , Julian Jang-Jaccard , Ian Welch , Harith Al-Sahaf , Seyit Camtepe

Software Vulnerabilities (SVs) are increasing in complexity and scale, posing great security risks to many software systems. Given the limited resources in practice, SV assessment and prioritization help practitioners devise optimal SV…

Software Engineering · Computer Science 2023-01-09 Triet H. M. Le , Huaming Chen , M. Ali Babar

With the continuous evolution of Large Language Models (LLMs), LLM-based agents have advanced beyond passive chatbots to become autonomous cyber entities capable of performing complex tasks, including web browsing, malicious code and…

Networking and Internet Architecture · Computer Science 2025-05-28 Minrui Xu , Jiani Fan , Xinyu Huang , Conghao Zhou , Jiawen Kang , Dusit Niyato , Shiwen Mao , Zhu Han , Xuemin , Shen , Kwok-Yan Lam

Ransomware is an emerging threat which imposed a \$ 5 billion loss in 2017 and is predicted to hit \$ 11.5 billion in 2019. While initially targeting PC (client) platforms, ransomware recently made the leap to server-side databases -…

Cryptography and Security · Computer Science 2019-07-17 Lukas Iffländer , Alexandra Dmitrienko , Christoph Hagen , Michael Jobst , Samuel Kounev

Historically, machine learning in computer security has prioritized defense: think intrusion detection systems, malware classification, and botnet traffic identification. Offense can benefit from data just as well. Social networks, with…

Cryptography and Security · Computer Science 2018-02-15 John Seymour , Philip Tully

The widespread deployment of LLM-based agents is likely to introduce a critical privacy threat: malicious agents that proactively engage others in multi-turn interactions to extract sensitive information. However, the evolving nature of…

Cryptography and Security · Computer Science 2026-05-11 Yanzhe Zhang , Diyi Yang

The success and wide adoption of generative AI (GenAI), particularly large language models (LLMs), has attracted the attention of cybercriminals seeking to abuse models, steal sensitive data, or disrupt services. Moreover, providing…

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

To prevent the misuse of Large Language Models (LLMs) for malicious purposes, numerous efforts have been made to develop the safety alignment mechanisms of LLMs. However, as multiple LLMs become readily accessible through various…

Machine Learning · Computer Science 2026-01-27 Yu Yan , Sheng Sun , Mingfeng Li , Yunlong Song , Xingzhou Zhang , Linran Lu , Zhifei Zheng , Min Liu , Qi Li

In this paper we present a study on using novel data types to perform cyber risk quantification by estimating the likelihood of a data breach. We demonstrate that it is feasible to build a highly accurate cyber risk assessment model using…

Cryptography and Security · Computer Science 2025-06-10 Armin Sarabi , Manish Karir , Mingyan Liu

Large Language Models (LLMs) have become a cornerstone in the field of Natural Language Processing (NLP), offering transformative capabilities in understanding and generating human-like text. However, with their rising prominence, the…

Cryptography and Security · Computer Science 2024-03-26 Arijit Ghosh Chowdhury , Md Mofijul Islam , Vaibhav Kumar , Faysal Hossain Shezan , Vaibhav Kumar , Vinija Jain , Aman Chadha

Security analysts face increasing pressure to triage large and complex vulnerability backlogs. Large Language Models (LLMs) offer a potential aid by automating parts of the interpretation process. We evaluate four models (ChatGPT, Claude,…

Cryptography and Security · Computer Science 2025-10-22 Osama Al Haddad , Muhammad Ikram , Ejaz Ahmed , Young Lee

Machine learning algorithms can effectively classify malware through dynamic behavior but are susceptible to adversarial attacks. Existing attacks, however, often fail to find an effective solution in both the feature and problem spaces.…

Cryptography and Security · Computer Science 2025-06-04 Gabriele Digregorio , Salvatore Maccarrone , Mario D'Onghia , Luigi Gallo , Michele Carminati , Mario Polino , Stefano Zanero

Large Language Models (LLMs) & Generative AI are transforming cybersecurity, enabling both advanced defenses and new attacks. Organizations now use LLMs for threat detection, code review, and DevSecOps automation, while adversaries leverage…

Cryptography and Security · Computer Science 2026-02-24 Kiarash Ahi , Vaibhav Agrawal , Saeed Valizadeh

The emergence of Large Language Models (LLMs) has heightened the threat of phishing emails by enabling the generation of highly targeted, personalized, and automated attacks. Traditionally, many phishing emails have been characterized by…

Large Language Models (LLMs) have transformed software development, enabling AI-powered applications known as LLM-based agents that promise to automate tasks across diverse apps and workflows. Yet, the security implications of deploying…

Cryptography and Security · Computer Science 2025-11-07 Chenghao Du , Quanfeng Huang , Tingxuan Tang , Zihao Wang , Adwait Nadkarni , Yue Xiao

The Large Language Models (LLMs) are poised to offer efficient and intelligent services for future mobile communication networks, owing to their exceptional capabilities in language comprehension and generation. However, the extremely high…

Cryptography and Security · Computer Science 2023-09-07 Haomiao Yang , Kunlan Xiang , Mengyu Ge , Hongwei Li , Rongxing Lu , Shui Yu