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Access control models have been developed to control authorized access to sensitive resources. This control of access is important as there is now a need for collaborative resource sharing between multiple organizations over open…

Cryptography and Security · Computer Science 2021-08-20 M Ridwanur Rahman , Ahmad Salehi Shahraki , Carsten Rudolph

Role-Based Access Control (RBAC) struggles to adapt to dynamic enterprise environments with documents that contain information that cannot be disclosed to specific user groups. As these documents are used by LLM-driven systems (e.g., in…

Cryptography and Security · Computer Science 2025-12-24 Michele Lorenzo , Idilio Drago , Dario Salvadori , Fabio Romolo Vayr

Recent advances in artificial intelligence and machine learning may soon yield paradigm-shifting benefits for aerospace systems. However, complexity and possible continued on-line learning makes neural network control systems (NNCS)…

Systems and Control · Electrical Eng. & Systems 2023-03-29 Jonathan Rowanhill , Ashlie B. Hocking , Aditya Zutshi , Kerianne L. Hobbs

Nowadays, a large amount of user privacy-sensitive data is outsourced to the cloud server in ciphertext, which is provided by the data owners and can be accessed by authorized data users. When accessing data, the user should be assigned…

Cryptography and Security · Computer Science 2018-11-19 Xueyan Liu , Zhitao Guan , Xiaojiang Du , Liehuang Zhu , Zhengtao Yu , Yinglong Ma

Advancements toward 6G have intensified demands for ultra-reliable low-latency communication, positioning shortpacket communications as a critical technology for autonomous aerial vehicle (AAV) networks. However, the open broadcast nature…

Systems and Control · Electrical Eng. & Systems 2025-09-19 Huiling Liu , Junshan Luo , Shilian Wang , Fanggang Wang , Theodoros A. Tsiftsis , Symeon Chatzinotas

The A2AS framework is introduced as a security layer for AI agents and LLM-powered applications, similar to how HTTPS secures HTTP. A2AS enforces certified behavior, activates model self-defense, and ensures context window integrity. It…

Present-day developments, in electrical power transmission and distribution, require considerations of the status quo. In other meaning, international regulations enforce increasing of reliability and reducing of environment impact,…

Networking and Internet Architecture · Computer Science 2015-12-23 Ahmed Altaher , Stéphane Mocanu , Jean-Marc Thiriet

The forthcoming sixth-generation (6G) communications standard is anticipated to provide integrated sensing and communication (ISAC) as a fundamental service. These ISAC systems present unique security challenges because of the exposure of…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Vaibhav Kumar , Marwa Chafii

A popular run-time attack technique is to compromise the control-flow integrity of a program by modifying function return addresses on the stack. So far, shadow stacks have proven to be essential for comprehensively preventing return…

Cryptography and Security · Computer Science 2020-10-16 Hans Liljestrand , Thomas Nyman , Lachlan J. Gunn , Jan-Erik Ekberg , N. Asokan

Attribute-based access control (ABAC) models are widely used to provide fine-grained and adaptable authorization based on the attributes of users, resources, and other relevant entities. Hierarchial group and attribute based access control…

Cryptography and Security · Computer Science 2021-01-12 Maanak Gupta , Ravi Sandhu

Traditional risk assessments rely on manual audits and system scans, often causing operational disruptions and leaving security gaps. To address these challenges, this work presents Security Digital Twin-as-a-Service (SDT-aaS), a novel…

Increasing investment in computing technologies and the advancements in silicon technology has fueled rapid growth in advanced driver assistance systems (ADAS) and corresponding SoC developments. An ADAS SoC represents a heterogeneous…

Hardware Architecture · Computer Science 2022-09-14 Hao Luan , Yu Yao , Chang Huang

Attribute-based encryption (ABE) is a promising cryptographic mechanism for providing confidentiality and fine-grained access control in the cloud-based area. However, due to high computational overhead, common ABE schemes are not suitable…

Cryptography and Security · Computer Science 2021-07-22 Mostafa Chegenizadeh , Mohammad Ali , Javad Mohajeri , Mohammad Reza Aref

With the increasing number of Internet of Things (IoT) devices, Machine Type Communication (MTC) has become an important use case of the Fifth Generation (5G) communication systems. Since MTC devices are mostly disconnected from Base…

Networking and Internet Architecture · Computer Science 2022-01-14 Junseok Kim , Seongwon Kim , T. Taleb , Sunghyun Choi

In view of the security issues of the Internet of Things (IoT), considered better combining edge computing and blockchain with the IoT, integrating attribute-based encryption (ABE) and attribute-based access control (ABAC) models with…

Cryptography and Security · Computer Science 2021-11-18 Jie Zhang , Lingyun Yuan , Shanshan Xu

Cloud-based services have become part of our day-to-day software solutions. The identity authentication process is considered to be the main gateway to these services. As such, these gates have become increasingly susceptible to aggressive…

Cryptography and Security · Computer Science 2017-11-27 Marwan Darwish , Abdelkader Ouda , Luiz Fernando Capretz

Space situation awareness (SSA) includes tracking of active and inactive resident space objects (RSOs) and assessing the space environment through sensor data collection and processing. To enhance SSA, the dynamic data-driven applications…

Cryptography and Security · Computer Science 2019-09-04 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

A common trait of current access control approaches is the challenging need to engineer abstract and intuitive access control models. This entails designing access control information in the form of roles (RBAC), attributes (ABAC), or…

Cryptography and Security · Computer Science 2022-03-30 Mohammad Nur Nobi , Ram Krishnan , Yufei Huang , Mehrnoosh Shakarami , Ravi Sandhu

We consider access control for IoT systems that involves shared accesses to the IoT devices as well as their data. Since IoT devices are dispersed all over the edge of the Internet, traditional centralized access control has problems.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-15 Yongtao Huang , I-Ling Yen , Farokh Bastani

Attribute-based access control (ABAC) provides a high level of flexibility that promotes security and information sharing. ABAC policy mining algorithms have potential to significantly reduce the cost of migration to ABAC, by partially…

Cryptography and Security · Computer Science 2014-08-08 Zhongyuan Xu , Scott D. Stoller