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INTERNATIONAL JOURNAL OF CREATIVE RESEARCH THOUGHTS - IJCRT (IJCRT.ORG)

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IJCRT Peer-Reviewed (Refereed) Journal as Per New UGC Rules.

ISSN Approved Journal No: 2320-2882 | Impact factor: 7.97 | ESTD Year: 2013

Call For Paper - Volume 14 | Issue 7 | Month- July 2026

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  Authors

Warkari Supriya Somnath,Dr. Sushil V. Kulkarni

  Keywords

Serverless Computing, Function-as-a-Service (FaaS), Denial-of-Wallet Attack, Cloud Security, Economic Cyber Attacks, Cost-Aware Computing, Anomaly Detection

  Abstract


Serverless computing has emerged as a transformative cloud paradigm that offers elastic resource provisioning, event-driven execution, and pay-per-use billing. However, these characteristics have introduced a new class of economic cyber threats known as Denial-of-Wallet (DoW) attacks, where adversaries exploit automatic scaling mechanisms to generate excessive cloud expenditure while maintaining service availability. Existing detection approaches primarily focus on traffic anomalies and resource consumption patterns but often neglect explicit cost-awareness, multi-scale temporal behavior, and model interpretability. To address these limitations, this paper proposes a Cost-Aware Multi-Scale CNN-GRU Framework with Explainable Artificial Intelligence (CMS-CG-XAI) for accurate and interpretable DoW attack detection in serverless environments. The proposed framework integrates cloud telemetry data and financial indicators through a cost-aware feature engineering module that extracts invocation cost, billing growth rate, budget utilization, and resource-to-cost conversion metrics. A one-dimensional Convolutional Neural Network (CNN) is employed to learn local behavioral patterns from invocation sequences, while a Gated Recurrent Unit (GRU) network captures long-range temporal dependencies associated with attack evolution. To improve attack characterization across multiple temporal scales, Discrete Wavelet Transform (DWT) decomposition is incorporated before temporal learning. Furthermore, SHapley Additive exPlanations (SHAP) are utilized to provide interpretable predictions and identify dominant attack-driving features. Experiments are conducted using publicly available DoW datasets and serverless telemetry benchmarks under strict chronological evaluation protocols. Performance is assessed using Accuracy, Precision, Recall, F1-Score, Matthews Correlation Coefficient (MCC), and Area Under the Receiver Operating Characteristic Curve (AUC-ROC). Comparative analysis against Random Forest, XGBoost, CNN, LSTM, GRU, and CNN-LSTM baselines demonstrates the effectiveness of the proposed framework. Results indicate that integrating cost-aware analytics with multi-scale temporal learning significantly improves detection capability while maintaining operational interpretability. The proposed framework offers a practical and scalable solution for next-generation serverless security systems and contributes toward economically aware cyber defense mechanisms in cloud-native infrastructures.

  IJCRT's Publication Details

  Unique Identification Number - IJCRT2607004

  Paper ID - 311143

  Author type - Indian Author

  Page Number(s) - a22-a36

  Pubished in - Volume 14 | Issue 7 | July 2026

  DOI (Digital Object Identifier) -   

  No Of Downloads - 14

  Author Country - India, 431517, Ambajogai, Ambajogai, 431517, Science and Technology

  Publisher Name - IJPUBLICATION | www.ijcrt.org | ISSN : 2320-2882

  E-ISSN Number - 2320-2882

  Published Paper PDF : - http://www.ijcrt.org/papers/IJCRT2607004

  Published Paper URL: : - http://ijcrt.org/viewfull.php?&p_id=IJCRT2607004

  Published Paper PDF Downlaod: - download.php?file=IJCRT2607004

  Cite this article

Warkari Supriya Somnath,Dr. Sushil V. Kulkarni,   "Intelligent Cost-Monitoring and Denial-of-Wallet (DoW) Defense System for Serverless Architectures", International Journal of Creative Research Thoughts (IJCRT), ISSN:2320-2882, Volume.14, Issue 7, pp.a22-a36, July 2026, Available at :http://www.ijcrt.org/papers/IJCRT2607004.pdf

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The International Journal of Creative Research Thoughts (IJCRT) aims to explore advances in research pertaining to applied, theoretical and experimental Technological studies. The goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working in and around the world.

IJCRT is Scholarly open access journals, Peer-reviewed, and Refereed Journals, Impact factor 7.97 (Calculate by google scholar and Semantic Scholar | AI-Powered Research Tool), Multidisciplinary, Monthly, Indexing in all major database & Metadata, Citation Generator, Digital Object Identifier(DOI)

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