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Cybersecurity: Novel Technologies and Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Computing and Artificial Intelligence".

Deadline for manuscript submissions: 20 October 2026 | Viewed by 1266

Special Issue Editor


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Guest Editor
Department of Computer Science, Florida Polytechnic University, Lakeland, FL 33805, USA
Interests: security and privacy; mobile security; secure software engineering; applied AI/ML

Special Issue Information

Dear Colleagues,

The rapid digitization of modern society has brought with it an increasing reliance on interconnected systems, data-driven technologies, and intelligent infrastructures. While these advancements offer significant societal and economic benefits, they also expose critical systems to a wide range of cyber threats. Sophisticated adversaries now exploit vulnerabilities across hardware, software, networks, and even user behavior. As a result, cybersecurity has become a foundational challenge that cuts across technical, organizational, and societal domains. This Special Issue aims to bring together cutting-edge research and practical advancements that address contemporary cybersecurity challenges across diverse application domains.

The Special Issue welcomes submissions of original research articles, reviews, and case studies that explore novel methodologies, frameworks, tools, and applications to detect, prevent, and mitigate cyber threats. Areas of interest include, but are not limited to, the following:

  • Threat intelligence;
  • Software security practices;
  • Human-centric cybersecurity and usable security;
  • Mobile, edge, and IoT security;
  • Privacy-enhancing technologies and secure data sharing;
  • Cyber resilience for critical infrastructures;
  • Methods for securing critical and cloud-based infrastructures;
  • Machine learning and artificial intelligence in cybersecurity.

Submissions that bridge theoretical development with practical implementation are especially encouraged. This Special Issue also welcomes interdisciplinary approaches and real-world deployments that demonstrate the effectiveness and scalability of innovative cybersecurity solutions.

Dr. Karim Elish
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cybersecurity
  • threat detection
  • privacy
  • secure systems, mobile security
  • IoT security
  • cyber resilience
  • artificial intelligence
  • machine learning

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Published Papers (1 paper)

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Research

15 pages, 3234 KB  
Article
Optically Transparent Frequency Selective Surfaces for Electromagnetic Shielding in Cybersecurity Applications
by Pierpaolo Usai, Gabriele Sabatini, Danilo Brizi and Agostino Monorchio
Appl. Sci. 2026, 16(2), 821; https://doi.org/10.3390/app16020821 - 13 Jan 2026
Viewed by 873
Abstract
With the widespread diffusion of personal Internet of Things (IoT) devices, Electromagnetic Side-Channel Attacks (EM-SCAs), which exploit electromagnetic emissions to uncover critical data such as cryptographic keys, are becoming extremely common. Existing shielding approaches typically rely on bulky or opaque materials, which limit [...] Read more.
With the widespread diffusion of personal Internet of Things (IoT) devices, Electromagnetic Side-Channel Attacks (EM-SCAs), which exploit electromagnetic emissions to uncover critical data such as cryptographic keys, are becoming extremely common. Existing shielding approaches typically rely on bulky or opaque materials, which limit integration in modern IoT environments; this motivates the need for a transparent, lightweight, and easily integrable solution. Thus, to address this threat, we propose the use of electromagnetic metasurfaces with shielding capabilities, fabricated with an optically transparent conductive film. This film can be easily integrated into glass substrates, offering a novel and discrete shielding solution to traditional methods, which are typically based on opaque dielectric media. The paper presents two proof-of-concept case studies for shielding against EM-SCAs. The first one investigates the design and fabrication of a passive metasurface aimed at shielding emissions from chip processors in IoT devices. The metasurface is conceived to attenuate a specific frequency range, characteristic of the considered IoT processor, with a target attenuation of 30 dB. At the same time, the metasurface ensures that signals from 4G and 5G services are not affected, thus preserving normal wireless communication functioning. Conversely, the second case study introduces an active metasurface for dynamic shielding/transmission behavior, which can be modulated through diodes according to user requirements. This active metasurface is designed to block undesired electromagnetic emissions within the 150–465 MHz frequency range, which is a common band for screen gleaning security threats. The experimental results demonstrate an attenuation of approximately 10 dB across the frequency band when the shielding mode is activated, indicating a substantial reduction in signal transmission. Both the case studies highlight the potential of transparent metasurfaces for secure and dynamic electromagnetic shielding, suggesting their discrete integration in building windows or other environmental structural elements. Full article
(This article belongs to the Special Issue Cybersecurity: Novel Technologies and Applications)
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