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Evolving attacker capabilities demand realistic and continuously updated cyberattack emulation for threat-informed defense and security benchmarking. Towards automated attack emulation, this paper defines modular attack actions and a…

Cryptography and Security · Computer Science 2026-02-06 Lingzhi Wang , Zhenyuan Li , Yi Jiang , Zhengkai Wang , Xiangmin Shen , Wei Ruan , Yan Chen

Mobile phones have developed into complex platforms with large numbers of installed applications and a wide range of sensitive data. Application security policies limit the permissions of each installed application. As applications may…

Cryptography and Security · Computer Science 2012-05-01 Steffen Bartsch , Karsten Sohr , Michaela Bunke , Oliver Hofrichter , Bernhard Berger

Modern consumer banking applications require accurate and efficient retrieval of information in response to user queries. Mapping user utterances to the most relevant Frequently Asked Questions (FAQs) is a crucial component of these…

Artificial Intelligence · Computer Science 2025-10-17 Mahmood Hegazy , Aaron Rodrigues , Azzam Naeem

Adequate risk assessment of safety critical systems needs to take both safety and security into account, as well as their interaction. A prominent methodology for modeling safety and security are attack-fault trees (AFTs), which combine the…

Cryptography and Security · Computer Science 2024-08-14 Milan Lopuhaä-Zwakenberg

Although there have been many solutions applied, the safety challenges related to the password security mechanism are not reduced. The reason for this is that while the means and tools to support password attacks are becoming more and more…

Cryptography and Security · Computer Science 2019-12-05 Nguyen Hong Son , Ha Thanh Dung

Financial systems run nonstop and must stay reliable even during cyber incidents. Modern attacks move across many services (apps, APIs, identity, payment rails), so defenders must make a sequence of actions under time pressure. Most…

Cryptography and Security · Computer Science 2026-03-03 Srikumar Nayak

We present MAFA (Multi-Agent Framework for Annotation), a production-deployed system that transforms enterprise-scale annotation workflows through configurable multi-agent collaboration. Addressing the critical challenge of annotation…

Machine Learning · Computer Science 2026-03-23 Mahmood Hegazy , Aaron Rodrigues , Azzam Naeem

Encrypted cloud storage services are steadily increasing in popularity, with many commercial solutions currently available. In such solutions, the cloud storage is trusted for data availability, but not for confidentiality. Additionally,…

Cryptography and Security · Computer Science 2020-10-28 Anders Dalskov , Daniele Lain , Enis Ulqinaku , Kari Kostiainen , Srdjan Capkun

The majority of current web authentication is built on username/password. Unfortunately, password replacement offers more security, but it is difficult to use and expensive to deploy. In this paper, we propose a new mutual authentication…

Cryptography and Security · Computer Science 2014-12-10 Yassine Sadqi , Ahmed Asimi , Younes Asimi

The widespread adoption of Large Language Model (LLM) in commercial and research settings has intensified the need for robust intellectual property protection. Backdoor-based LLM fingerprinting has emerged as a promising solution for this…

Cryptography and Security · Computer Science 2026-01-09 Hang Fu , Wanli Peng , Yinghan Zhou , Jiaxuan Wu , Juan Wen , Yiming Xue

Decentralized Finance (DeFi) is emerging as a peer-to-peer financial ecosystem, enabling participants to trade products on a permissionless blockchain. Built on blockchain and smart contracts, the DeFi ecosystem has experienced explosive…

Cryptography and Security · Computer Science 2023-09-07 Peng Qian , Rui Cao , Zhenguang Liu , Wenqing Li , Ming Li , Lun Zhang , Yufeng Xu , Jianhai Chen , Qinming He

The digital age requires strong security measures to protect online activities. Two-Factor Authentication (2FA) has emerged as a critical solution. However, its implementation presents significant challenges, particularly in terms of…

Cryptography and Security · Computer Science 2025-02-18 Alexander Lengert

Digital signature is a major component of transactions on Blockchain platforms, especially in enterprise Blockchain platforms, where multiple signatures from a set of peers need to be produced to endorse a transaction. However, such process…

Cryptography and Security · Computer Science 2022-10-20 Yue Xiao , Peng Zhang , Yuhong Liu

Black-box adversarial attacks have demonstrated strong potential to compromise machine learning models by iteratively querying the target model or leveraging transferability from a local surrogate model. Recently, such attacks can be…

Machine Learning · Computer Science 2024-09-09 Hanbin Hong , Xinyu Zhang , Binghui Wang , Zhongjie Ba , Yuan Hong

Two-factor authentication (2FA) schemes that rely on a combination of knowledge factors (e.g., PIN) and device possession have gained popularity. Some of these schemes remain secure even against strong adversaries that (a) observe the…

Cryptography and Security · Computer Science 2022-08-08 Steven J. Murdoch , Aydin Abadi

The rapid digitalization of banking services has significantly transformed financial transactions, offering enhanced convenience and efficiency for consumers. However, the increasing reliance on digital banking has also exposed financial…

Cryptography and Security · Computer Science 2025-04-01 Md. Waliullah , Md Zahin Hossain George , Md Tarek Hasan , Md Khorshed Alam , Mosa Sumaiya Khatun Munira , Noor Alam Siddiqui

The emerging threats to user privacy over the internet are increasing at an alarming rate. Signing in from an unreliable terminal into a web account may result in compromising private details of a user such as username and password, by…

Cryptography and Security · Computer Science 2013-10-16 Kalpesh Adhatrao , Aditya Gaykar , Rohit Jha , Vipul Honrao

In this paper, we study the security posture of the EV charging ecosystem against a new type of remote that exploits vulnerabilities in the EV charging mobile applications as an attack surface. We leverage a combination of static and…

Cryptography and Security · Computer Science 2023-02-28 K. Sarieddine , M. A. Sayed , S. Torabi , R. Atallah , C. Assi

While cryptocurrencies have been rapidly gaining adoption, secure wallet interactions are still elusive for many users, which frequently leads to loss of funds. Here we propose an approach to securing interactions with cryptocurrency…

Cryptography and Security · Computer Science 2023-04-17 Gennady Medvinsky , Ben Livshits

Cybersecurity is a big challenge as hackers are always trying to find new methods to attack and exploit system vulnerabilities. Cybersecurity threats and risks have increased in recent years, due to the increasing number of devices and…

Cryptography and Security · Computer Science 2024-07-30 Ihab Mohamed , Hesham A. Hefny , Nagy R. Darwish