Research Article

Adversarial Machine Learning: Emerging Threats and Defense Mechanisms

by  Ankur Sharma
journal cover
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 187 - Issue 119
Published: June 2026
Authors: Ankur Sharma
10.5120/ijcaa2c587fcc2f7
PDF

Ankur Sharma . Adversarial Machine Learning: Emerging Threats and Defense Mechanisms. International Journal of Computer Applications. 187, 119 (June 2026), 53-62. DOI=10.5120/ijcaa2c587fcc2f7

                        @article{ 10.5120/ijcaa2c587fcc2f7,
                        author  = { Ankur Sharma },
                        title   = { Adversarial Machine Learning: Emerging Threats and Defense Mechanisms },
                        journal = { International Journal of Computer Applications },
                        year    = { 2026 },
                        volume  = { 187 },
                        number  = { 119 },
                        pages   = { 53-62 },
                        doi     = { 10.5120/ijcaa2c587fcc2f7 },
                        publisher = { Foundation of Computer Science (FCS), NY, USA }
                        }
                        %0 Journal Article
                        %D 2026
                        %A Ankur Sharma
                        %T Adversarial Machine Learning: Emerging Threats and Defense Mechanisms%T 
                        %J International Journal of Computer Applications
                        %V 187
                        %N 119
                        %P 53-62
                        %R 10.5120/ijcaa2c587fcc2f7
                        %I Foundation of Computer Science (FCS), NY, USA
Abstract

Artificial intelligence and machine learning are increasingly embedded in modern cybersecurity systems because of their capacity to automate threat detection, analysis, and anomaly identification. This shift toward intelligent defense has, however, introduced a new class of vulnerabilities, collectively termed adversarial machine learning (AML), in which attackers craft malicious inputs, poison training data, or mount inference-based attacks to subvert model behavior. This study reviews the emerging adversarial threats targeting cybersecurity applications and critically appraises the defense strategies proposed to strengthen model robustness and resilience. A structured literature review of 22 peer-reviewed studies published between 2022 and 2025 was conducted to identify dominant attack patterns, the most vulnerable application domains, and the limitations of current defenses. To ground the review in measurable evidence, a reproducible case study is additionally reported in which a neural intrusion-detection model is subjected to a Fast Gradient Sign Method (FGSM) evasion attack on the NSL-KDD dataset and then hardened through adversarial training. The undefended detector's accuracy collapses from 80.8% to near 0% as the perturbation budget grows, whereas the adversarial trained detector retains roughly 70-75% accuracy under the same attack, at the cost of a small reduction in clean accuracy. The findings confirm that adversarial attacks are becoming increasingly sophisticated, particularly against intrusion detection systems, autonomous systems, and deep-learning-based security tools, and that, although adversarial training, defensive distillation, and explainable AI are promising, open questions remain regarding their scalability, adaptability, and real-time applicability. The study underscores the need for multi-layered, adaptive security strategies to enhance the trustworthiness of AI-powered cybersecurity solutions.

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Index Terms
Computer Science
Information Sciences
No index terms available.
Keywords

Adversarial Machine Learning; Cybersecurity; Adversarial Attacks; Defense Mechanisms; Deep Learning Security; Poisoning Attacks; Evasion Attacks; Robust Artificial Intelligence

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