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Big Data Security Management Countermeasures in the Prevention and Control of Computer Network Crime

This paper aims to study the Countermeasures of big data security management in the prevention and control of computer network crime in the absence of relevant legislation and judicial practice. Starting from the concepts and definitions of computer crime and network crime, this paper puts forward the comparison matrix, investigation and statistics method and characteristic measure of computer crime. Through the methods of crime scene investigation, network investigation and network tracking, this paper studies the big data security management countermeasures in the prevention and control of computer network crime from the perspective of criminology. The experimental results show that the phenomenon of low age is serious, and the number of Teenagers Participating in network crime is on the rise. In all kinds of cases, criminals under the age of 35 account for more than 50%.

Fog Computing with IoT Device’s Data Security Management Using Density Control Weighted Election and Extensible Authentication Protocol

Integration of blockchain with connected and autonomous vehicles: vision and challenge.

Connected and Autonomous Vehicles (CAVs) are introduced to improve individuals’ quality of life by offering a wide range of services. They collect a huge amount of data and exchange them with each other and the infrastructure. The collected data usually includes sensitive information about the users and the surrounding environment. Therefore, data security and privacy are among the main challenges in this industry. Blockchain, an emerging distributed ledger, has been considered by the research community as a potential solution for enhancing data security, integrity, and transparency in Intelligent Transportation Systems (ITS). However, despite the emphasis of governments on the transparency of personal data protection practices, CAV stakeholders have not been successful in communicating appropriate information with the end users regarding the procedure of collecting, storing, and processing their personal data, as well as the data ownership. This article provides a vision of the opportunities and challenges of adopting blockchain in ITS from the “data transparency” and “privacy” perspective. The main aim is to answer the following questions: (1) Considering the amount of personal data collected by the CAVs, such as location, how would the integration of blockchain technology affect transparency , fairness , and lawfulness of personal data processing concerning the data subjects (as this is one of the main principles in the existing data protection regulations)? (2) How can the trade-off between transparency and privacy be addressed in blockchain-based ITS use cases?

SecNVM: An Efficient and Write-Friendly Metadata Crash Consistency Scheme for Secure NVM

Data security is an indispensable part of non-volatile memory (NVM) systems. However, implementing data security efficiently on NVM is challenging, since we have to guarantee the consistency of user data and the related security metadata. Existing consistency schemes ignore the recoverability of the SGX style integrity tree (SIT) and the access correlation between metadata blocks, thereby generating unnecessary NVM write traffic. In this article, we propose SecNVM, an efficient and write-friendly metadata crash consistency scheme for secure NVM. SecNVM utilizes the observation that for a lazily updated SIT, the lost tree nodes after a crash can be recovered by the corresponding child nodes in NVM. It reduces the SIT persistency overhead through a restrained write-back metadata cache and exploits the SIT inter-layer dependency for recovery. Next, leveraging the strong access correlation between the counter and DMAC, SecNVM improves the efficiency of security metadata access through a novel collaborative counter-DMAC scheme. In addition, it adopts a lightweight address tracker to reduce the cost of address tracking for fast recovery. Experiments show that compared to the state-of-the-art schemes, SecNVM improves the performance and decreases write traffic a lot, and achieves an acceptable recovery time.

Review on Blockchain Technology

Abstract: Blockchain is a technology that has the potential to cause big changes in our corporate environment and will have a significant influence over the next few decades. It has the potential to alter our perception of business operations and revolutionise our economy. Blockchain is a decentralised and distributed ledger system that, since it cannot be tampered with or faked, attempts to assure transparency, data security, and integrity. Only a few studies have looked at the usage of Blockchain Technology in other contexts or sectors, with the majority of current Blockchain Technology research focusing on its use for cryptocurrencies like Bitcoin. Blockchain technology is more than simply bitcoin; it may be used in government, finance and banking, accounting, and business process managementAs a result, the goal of this study is to examine and investigate the advantages and drawbacks of Blockchain Technology for current and future applications. As a consequence, a large number of published studies were thoroughly assessed and analysed based on their contributions to the Blockchain body of knowledge. Keywords: Blockchain Technology, Bitcoin, Cryptocurrency, Digital currency

China’s Data Security Policies Leading to the Cyber Security Law

A novel framework of an iot-blockchain-based intelligent system.

With the growing need of technology into varied fields, dependency is getting directly proportional to ease of user-friendly smart systems. The advent of artificial intelligence in these smart systems has made our lives easier. Several Internet of Things- (IoT-) based smart refrigerator systems are emerging which support self-monitoring of contents, but the systems lack to achieve the optimized run time and data security. Therefore, in this research, a novel design is implemented with the hardware level of integration of equipment with a more sophisticated software design. It was attempted to design a new smart refrigerator system, which has the capability of automatic self-checking and self-purchasing, by integrating smart mobile device applications and IoT technology with minimal human intervention carried through Blynk application on a mobile phone. The proposed system automatically makes periodic checks and then waits for the owner’s decision to either allow the system to repurchase these products via Ethernet or reject the purchase option. The paper also discussed the machine level integration with artificial intelligence by considering several features and implemented state-of-the-art machine learning classifiers to give automatic decisions. The blockchain technology is cohesively combined to store and propagate data for the sake of data security and privacy concerns. In combination with IoT devices, machine learning, and blockchain technology, the proposed model of the paper can provide a more comprehensive and valuable feedback-driven system. The experiments have been performed and evaluated using several information retrieval metrics using visualization tools. Therefore, our proposed intelligent system will save effort, time, and money which helps us to have an easier, faster, and healthier lifestyle.

BARRIERS TO THE ADOPTION OF NEW SAFETY TECHNOLOGIES IN CONSTRUCTION: A DEVELOPING COUNTRY CONTEXT

The adoption rate of new technologies is still relatively low in the construction industry, particularly for mitigating occupational safety and health (OSH) risks, which is traditionally a largely labor-intensive activity in developing countries, occupying ill-afforded non-productive management resources. However, understanding why this is the case is a relatively unresearched area in developing countries such as Malaysia. In aiming to help redress this situation, this study explored the major barriers involved, firstly by a detailed literature review to identify the main barriers hampering the adoption of new technologies for safety science and management in construction. Then, a questionnaire survey of Malaysian construction practitioners was used to prioritize these barriers. A factor analysis further identified six major dimensions underlying the barriers, relating to the lack of OSH regulations and legislation, technological limitations, lack of genuine organizational commitment, prohibitive costs, poor safety culture within the construction industry, and privacy and data security concerns. Taken together, the findings provide a valuable reference to assist industry practitioners and researchers regarding the critical barriers to the adoption of new technologies for construction safety management in Malaysia and other similar developing countries, and bridge the identified knowledge gap concerning the dimensionality of the barriers.

Design and Development of Maritime Data Security Management Platform

Since the e-Navigation strategy was put forward, various countries and regions in the world have researched e-Navigation test platforms. However, the sources of navigation data are multi-source, and there are still difficulties in the unified acquisition, processing, analysis and application of multi-source data. Users often find it difficult to obtain the required comprehensive navigation information. The purpose of this paper is to use e-Navigation architecture to design and develop maritime data security management platform, strengthen navigation safety guarantee, strengthen Marine environment monitoring, share navigation and safety information, improve the ability of shipping transportation organizations in ports, and protect the marine environment. Therefore, this paper proposes a four-layer system architecture based on Java 2 Platform Enterprise Edition (J2EE) technology, and designs a unified maritime data storage, analysis and management platform, which realizes the intelligent, visualized and modular management of maritime data at shipside and the shore. This platform can provide comprehensive data resource services for ship navigation and support the analysis and mining of maritime big data. This paper expounds on the design, development scheme and demonstration operation scheme of the maritime data security management platform from the system structure and data exchange mode.

Mapping the quantity, quality and structural indicators of Asian (48 countries and 3 territories) research productivity on cloud computing

PurposeThe purpose of this study was to map the quantity (frequency), quality (impact) and structural indicators (correlations) of research produced on cloud computing in 48 countries and 3 territories in the Asia continent.Design/methodology/approachTo achieve the objectives of the study and scientifically map the indicators, data were extracted from the Scopus database. The extracted bibliographic data was first cleaned properly using Endnote and then analyzed using Biblioshiny and VosViewer application software. In the software, calculations include citations count; h, g and m indexes; Bradford's and Lotka's laws; and other scientific mappings.FindingsResults of the study indicate that China remained the most productive, impactful and collaborative country in Asia. All the top 20 impactful authors were also from China. The other most researched areas associated with cloud computing were revealed to be mobile cloud computing and data security in clouds. The most prominent journal currently publishing research studies on cloud computing was “Advances in Intelligent Systems and Computing.”Originality/valueThe study is the first of its kind which identified the quantity (frequencies), quality (impact) and structural indicators (correlations) of Asian (48 countries and 3 territories) research productivity on cloud computing. The results are of great importance for researchers and countries interested in further exploring, publishing and increasing cross country collaborations related to the phenomenon of cloud computing.

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Improved Database Security Using Cryptography with Genetic Operators

• Original Research
• Published: 29 July 2023
• Volume 4 , article number  570 , ( 2023 )

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• Sandeep Reddy Devara   ORCID: orcid.org/0000-0002-1126-3733 1 &
• Chandrasekhar Azad 1  

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Database security is of utmost importance in today’s digital age where sensitive data is vulnerable to unauthorized access and cyber-attacks. Various security models have been developed for databases, each concentrating on a different part of the database security challenge. This paper presents a novel approach to improve database security by leveraging the combination of cryptography and genetic operators. The proposed technique involves encrypting the data using cryptographic algorithms, ensuring its confidentiality even in the event of a compromised database login. Additionally, genetic operators are employed to enhance the encryption process, making it more robust against potential vulnerabilities. Through the encryption and comparison mechanisms, only authorized users with the correct credentials can access and decipher the data, providing an additional layer of protection. The effectiveness of this approach is demonstrated through its ability to mitigate common causes of database vulnerabilities and safeguard valuable information. Furthermore, future research directions are suggested further to enhance the efficiency and effectiveness of the encryption algorithms, ultimately strengthening the overall security of databases.

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Devara, S.R., Azad, C. Improved Database Security Using Cryptography with Genetic Operators. SN COMPUT. SCI. 4 , 570 (2023). https://doi.org/10.1007/s42979-023-01990-z

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DOI : https://doi.org/10.1007/s42979-023-01990-z

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Journal of Materials Chemistry A

Zn alloying strategy to improve the photoluminescence of cugas 2 /zns core/shell quantum dots †.

* Corresponding authors

a Department of Physics, Savitribai Phule Pune University, Pune 411 007, India E-mail: [email protected]

b Symbiosis Center for Nanoscience and Nanotechnology, Symbiosis International University, Lavale, Pune 412 115, India

c Atomic & Molecular Physics Division, Bhabha Atomic Research Centre, Mumbai 400 094, India

d Beamline Development and Application Section, Bhabha Atomic Research Centre, Mumbai 400 094, India

Research efforts are being devoted to realize colloidal, heavy metal ion free, and luminescent quantum dots. We address radiative recombination in Zn alloyed CuGaS 2 /ZnS core/shell chalcopyrite quantum dots (CQDs) emitting in the blue-green spectral region. QDs show a systematic increase in the optical band gap and emission energy with an increasing amount of Zn in their core. Intentionally making non-stoichiometric CQDs with core/shell geometry enables defect related emission with high intensity. The location of Cu related defect levels along with the valence band and conduction band edge was determined from electrochemical cyclic voltammetry (CV) measurements. The evolution of band gap energies with respect to Zn concentration examined using CV measurements matches well with the optical absorption data. The presence of Cu vacancies in off-stoichiometric samples introduces intra-gap levels, which serve as common acceptor levels for optical transitions. Luminescence transitions in these materials stem from the radiative recombination of electrons from conduction levels as well as donor levels, with holes localized at acceptor levels. Temperature dependent and excitation laser intensity dependent emission measurements confirm the role of the Cu vacancy related acceptor level in the emission. Local structure studies via extended X-ray absorption fine structure and X-ray absorption near edge structure analysis were carried out to understand how Zn is incorporated in CuGaS 2 quantum dots and affects the luminescence. Electron spin resonance measurements confirm the presence of paramagnetic defect complexes. X-ray absorption near edge structure measurements indicate that Cu co-exists in +1 and +2 oxidation states in CuGaS 2 quantum dots.

• This article is part of the themed collection: Journal of Materials Chemistry A HOT Papers

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Zn alloying strategy to improve the photoluminescence of CuGaS 2 /ZnS core/shell quantum dots

M. A. Haque, A. Lohar, Y. Jadhav, R. Kumar, S. N. Jha, D. Bhattacharyya, S. Jadkar, S. Sartale and S. Mahamuni, J. Mater. Chem. A , 2024, Advance Article , DOI: 10.1039/D4TA01134A

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