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Author

Mustafa Kara

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Open access Sep 2026

Benchmarking Consensus Protocols for High-Performance Permissioned Blockchain Systems

Blockchain applications rely on consensus protocols to maintain security, integrity, and coordination in decentralized environments while balancing performance, scalability, and resource cost. This study presents a comparative evaluation of four Hyperledger Besu consensus algorithms, namely Ethash, Clique, QBFT, and IB...

Muhammet Furkan Ozara, A. Akbulut, Mustafa Kara et al. · 0 citations
Open access Aug 2026

Integrating Cyber Threat Intelligence into Email Gateway Architectures for Phishing and Ransomware Detection and Prevention

In the evaluated scenarios, the CTI-supported architecture interrupted the modeled attack chain at the Initial Access stage, demonstrating the measurable benefit of external CTI enrichment and unified correlation beyond the gateway’s native controls.

Mustafa Kara, Hasan Burus, H. H. Balık · 0 citations
Review Open access Aug 2026

Recent Advances and Open Challenges in Mitigating Inference-Time Attacks on Large Language Models

A defense taxonomy spanning three axes, namely prompt-level, inference-time, and training-time interventions, is proposed, within which 30 mitigation mechanisms published from 2024 onwards are systematically analyzed, demonstrating that no single defense mechanism provides comprehensive protection, and that robust depl...

Berkay Ozcam, Mustafa Kara, Muhammet Ali Aydin et al. · 0 citations

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