An Optimized Single Sign-On Schema for Reliable Multi -Level Security Management in Clouds. - Aytaj Badirova; Shirin Dabbaghi Varnosfaderani; Faraz Fatemi Moghaddam; Philipp Wieder; Ramin Yahyapour (FiCloud, 2021)

A Secure and Flexible Method of Permission Delegation Between Different Account Types. - Aytaj Badirova; Shirin Dabbaghi Varnosfaderani; Faraz Fatemi Moghaddam; Philipp Wieder; Ramin Yahyapour (FiCloud, 2021)

Authentication and Access Control in Cloud-Based Systems. - Rajeshwari Gadathas Krishna Babu; Aytaj Badirova; Faraz Fatemi Moghaddam; Philipp Wieder; Ramin Yahyapour (ICUFN, 2023)

Authorization and Interoperability in Access Control Systems. - Rajeshwari Gadathas Krishna Babu; Aytaj Badirova; Faraz Fatemi Moghaddam; Philipp Wieder; Ramin Yahyapour (ICUFN, 2023)

A Survey on Identity and Access Management for Cross-Domain Dynamic Users: Issues, Solutions, and Challenges. - Aytaj Badirova; Shirin Dabbaghi; Faraz Fatemi Moghaddam; Philipp Wieder; Ramin Yahyapour (IEEE Access, 2023)

Integration of Self-sovereign Identity in Centralized Identity Management: SSI-based Authentications, Attribute-based Authorization. - Aytaj Badirova; Faraz Fatemi Moghaddam; Ramin Yahyapour (FiCloud, 2024)

Towards Robust Trust Frameworks for Data Exchange: A Multidisciplinary Inquiry. - Aytaj Badirova; Bithin Alangot; Theo Dimitrakos; Ramin Yahyapour (Open Identity Summit, 2024)

An attention based approach for automated account linkage in federated identity management. - Shirin Dabbaghi Varnosfaderani; Piotr Kasprzak; Aytaj Badirova; Ralph Krimmel; Christof Pohl; Ramin Yahyapour (Inf. Sci., 2024)

Efficient and Privacy-Preserving Authentication Using Verifiable Credentials. - Aytaj Badirova; Shirin Dabbaghi Varnosfaderani; Ramin Yahyapour (CSR, 2025)