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Cyber Security and Privacy in Internet of Things (IoT)
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Cyber Security and Privacy in Internet of Things (IoT)

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Internet of Things".

Deadline for manuscript submissions: 15 August 2026 | Viewed by 2953

Special Issue Editor

Dr. Xu-An Wang

E-Mail Website
Guest Editor
Key Laboratory of Network and Information Security, Engineering University of Peoples Armed Police, Xi’an 710086, China
Interests: information security; cloud computing; internet of things; blockchain
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rapid growth of IoT has led to an unprecedented volume of sensor data being generated and transmitted, making data security and privacy critical concerns. This Special Issue focuses on protecting IoT sensor data, exploring key challenges and solutions in this domain.

Topics of interest include, but are not limited to:

  • Attack Vectors and Vulnerabilities: Node capturing, malicious code injection, false data injection, and side-channel attacks.
  • Data Encryption: Use of AES, TLS, and post-quantum cryptography for secure data transmission.
  • Authentication and Access Control: Multi-factor authentication, role-based access control (RBAC), and secure login credentials.
  • Privacy-Preserving Mechanisms: Data anonymization, differential privacy, and secure data aggregation.
  • Secure Communication: Implementation of secure protocols like HTTPS and MQTT with TLS.
  • Blockchain for IoT Security: Decentralized and tamper-proof data storage solutions.
  • Security for Cloud-Network-End: Techniques for ensuring security of cloud data, cloud computation, cloud network, and end terminals for cloud.
  • Security for UAV: Techniques for ensuring security of UAV communication, UAV control, UAV data and others.

Dr. Xu-An Wang
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. Sensors 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 2600 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

  • IoT sensor data
  • IoT security
  • security for UAV

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Published Papers (3 papers)

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26 pages, 791 KB  
Article
A Kyber-Based Lightweight Cloud-Assisted Authentication Scheme for Medical IoT
by He Yan, Zhenyu Wang, Liuming Lin, Jing Sun and Shuanggen Liu
Sensors 2026, 26(7), 2021; https://doi.org/10.3390/s26072021 - 24 Mar 2026
Viewed by 565
Abstract
The Medical Internet of Things (MIoT) has promoted smart healthcare through the deep integration of wearable devices, wireless communication, and cloud services. However, this framework faces security risks, as attackers may exploit public channels to impersonate legitimate devices or services and steal sensitive [...] Read more.
The Medical Internet of Things (MIoT) has promoted smart healthcare through the deep integration of wearable devices, wireless communication, and cloud services. However, this framework faces security risks, as attackers may exploit public channels to impersonate legitimate devices or services and steal sensitive data. Therefore, establishing authentication between wearable devices and servers prior to data transmission is crucial. Existing schemes suffer from two critical drawbacks: vulnerability to quantum attacks and excessively high communication overhead, highlighting the need for improved solutions. The authors of this paper present a multi-factor identity authentication protocol to achieve post-quantum security and privacy protection. The scheme integrates lattice-based Kyber key encapsulation and a fuzzy commitment mechanism to secure biological templates and enable post-quantum key agreement. Additionally, hash functions and lightweight error correction codes are employed to reduce terminal communication overhead. The security of the scheme is rigorously proved in the Real-or-Random model, and the analysis confirms that the scheme satisfies common security requirements for wireless networks. The proposed scheme is also compared with existing schemes, and the results demonstrate that it achieves a balance between security and overhead. Full article
(This article belongs to the Special Issue Cyber Security and Privacy in Internet of Things (IoT))
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45 pages, 1523 KB  
Article
Post-Quantum Revocable Linkable Ring Signature Scheme Based on SPHINCS+ for V2G Scenarios
by Shuanggen Liu, Ya Nan Du, Xu An Wang, Xinyue Hu and Hui En Su
Sensors 2026, 26(3), 754; https://doi.org/10.3390/s26030754 - 23 Jan 2026
Viewed by 600
Abstract
As a core support for the integration of new energy and smart grids, Vehicle-to-Grid (V2G) networks face a core contradiction between user privacy protection and transaction security traceability—a dilemma that is further exacerbated by issues such as the quantum computing vulnerability of traditional [...] Read more.
As a core support for the integration of new energy and smart grids, Vehicle-to-Grid (V2G) networks face a core contradiction between user privacy protection and transaction security traceability—a dilemma that is further exacerbated by issues such as the quantum computing vulnerability of traditional cryptography, cumbersome key management in stateful ring signatures, and conflicts between revocation mechanisms and privacy protection. To address these problems, this paper proposes a post-quantum revocable linkable ring signature scheme based on SPHINCS+, with the following core innovations: First, the scheme seamlessly integrates the pure hash-based architecture of SPHINCS+ with a stateless design, incorporating WOTS+, FORS, and XMSS technologies, which inherently resists quantum attacks and eliminates the need to track signature states, thus completely resolving the state management dilemma of traditional stateful schemes; second, the scheme introduces an innovative “real signature + pseudo-signature polynomially indistinguishable” mechanism, and by calibrating the authentication path structure and hash distribution of pseudo-signatures (satisfying the Kolmogorov–Smirnov test with D≤0.05), it ensures signer anonymity and mitigates the potential risk of distinguishable pseudo-signatures; third, the scheme designs a KEK (Key Encryption Key)-sharded collaborative revocation mechanism, encrypting and storing the (I,pk,RID) mapping table in fragmented form, with KEK split into KEK1 (held by the Trusted Authority, TA) and KEK2 (held by the regulatory node), with collaborative decryption by both parties required to locate malicious users, thereby resolving the core conflict of privacy leakage in traditional revocation mechanisms; fourth, the scheme generates forward-secure linkable tags based on one-way private key updates and one-time random factors, ensuring that past transactions cannot be traced even if the current private key is compromised; and fifth, the scheme adopts hash commitments instead of complex cryptographic commitments, simplifying computations while efficiently binding transaction amounts to signers—an approach consistent with the pure hash-based design philosophy of SPHINCS+. Security analysis demonstrates that the scheme satisfies the following six core properties: post-quantum security, unforgeability, anonymity, linkability, unframeability, and forward secrecy, thereby providing technical support for secure and anonymous payments in V2G networks in the quantum era. Full article
(This article belongs to the Special Issue Cyber Security and Privacy in Internet of Things (IoT))
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45 pages, 5287 KB  
Systematic Review
Cybersecurity in Radio Frequency Technologies: A Scientometric and Systematic Review with Implications for IoT and Wireless Applications
by Patrícia Rodrigues de Araújo, José Antônio Moreira de Rezende, Décio Rennó de Mendonça Faria and Otávio de Souza Martins Gomes
Sensors 2026, 26(2), 747; https://doi.org/10.3390/s26020747 - 22 Jan 2026
Viewed by 1133
Abstract
Cybersecurity in radio frequency (RF) technologies has become a critical concern, driven by the expansion of connected systems in urban and industrial environments. Although research on wireless networks and the Internet of Things (IoT) has advanced, comprehensive studies that provide a global and [...] Read more.
Cybersecurity in radio frequency (RF) technologies has become a critical concern, driven by the expansion of connected systems in urban and industrial environments. Although research on wireless networks and the Internet of Things (IoT) has advanced, comprehensive studies that provide a global and integrated view of cybersecurity development in this field remain limited. This work presents a scientometric and systematic review of international publications from 2009 to 2025, integrating the PRISMA protocol with semantic screening supported by a Large Language Model to enhance classification accuracy and reproducibility. The analysis identified two interdependent axes: one focusing on signal integrity and authentication in GNSS systems and cellular networks; the other addressing the resilience of IoT networks, both strongly associated with spoofing and jamming, as well as replay, relay, eavesdropping, and man-in-the-middle (MitM) attacks. The results highlight the relevance of RF cybersecurity in securing communication infrastructures and expose gaps in widely adopted technologies such as RFID, NFC, BLE, ZigBee, LoRa, Wi-Fi, and unlicensed ISM bands, as well as in emerging areas like terahertz and 6G. These gaps directly affect the reliability and availability of IoT and wireless communication systems, increasing security risks in large-scale deployments such as smart cities and cyber–physical infrastructures. Full article
(This article belongs to the Special Issue Cyber Security and Privacy in Internet of Things (IoT))
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