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I. Parkhomenko

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Review Open access Sep 2026

ADVERSARIAL RESILIENCE OF AGENTIC INFRASTRUCTURE-AS-CODE SYSTEMS: THREAT MODEL, ATTACK TAXONOMY, AND MULTI-LAYERED DEFENSE ARCHITECTURE

The integration of large language models (LLMs) and agentic components into Infrastructure as Code (IaC) workflows significantly expands the attack surface of cloud automation environments. This paper proposes a threat model for agentic IaC systems in the form of the structure SIaC = (Agents, Environment, Configuration...

Mykhailo Savonik, I. Parkhomenko · 0 citations
Review 2026

Improving resistance to Sybil attacks in decentralized networks using the RTCT protocol

This paper proposes Random Time Challenge-Tokens (RTCT) as a mechanism to economically enforce honest participation and deter Sybil attacks at the network level, and shows that RTCT can exponentially increase an attacker’s costs with higher challenge difficulty, making networks more resilient.

I. Parkhomenko, Larysa Myrutenko, Roman Ohiievych et al. · 0 citations

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