International Journal For Multidisciplinary Research

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Exploiting Side-Channel Vulnerabilities in Virtualized Cloud Environments: A Taxonomy of Emerging Threats and Countermeasures

Author(s) Loganathan. R, Ajmal Thahseen. A, Diwahar. V, Ezhilarasan. A
Country India
Abstract Cloud computing's reliance on virtualization introduces security risks, particularly side-channel attacks that exploit shared resources to infer sensitive data. These attacks leverage CPU caches, memory access patterns, timing variations, and power consumption to extract confidential information from co-located virtual machines (VMs). This paper classifies emerging side-channel threats in virtualized cloud environments, analyzing attack vectors such as cache-based, memory-based, power analysis, timing, and network-based side-channel attacks.
It also evaluates existing countermeasures, including hardware-based isolation, software defenses, and hypervisor-level security enhancements. Additionally, the paper explores real-world case studies of cross-VM side-channel attacks and proposes future mitigation strategies such as AI-driven anomaly detection, quantum-resilient cryptography, and secure hardware innovations. Addressing these vulnerabilities is crucial to ensuring data confidentiality and trust in multi-tenant cloud infrastructures. Strengthening defenses against side-channel attacks will play a critical role in the future security of cloud computing.
Keywords Cloud Security, Side-Channel Attacks, Hypervisor Security, Multi-Tenant Cloud Environment
Field Computer > Network / Security
Published In Volume 7, Issue 1, January-February 2025
Published On 2025-02-18
DOI https://doi.org/10.36948/ijfmr.2025.v07i01.37139
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E-ISSN 2582-2160
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