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The increasing number of internet users makes Indonesia a very potential market for e-commerce. The growth of the middle class and the literacy rate of online buyers and sellers is also growing. E-commerce itself is not new, but its rise marks a new milestone for this industry in the country. Although it is growing quite rapidly, there is still one major problem that is preventing e-commerce in Indonesia from taking off, namely the problem of consumer trust in e-commerce sites. Consumers still do not trust the sales system with a non-physical buying and selling process, do not trust to provide credit card numbers to e-commerce services and are still afraid of fraud. However, this crisis of trust can actually be solved. One of the many ways is to use a payment service that has guaranteed security. Not all e-commerce can provide their own payment system, now there are many services that provide a secure payment system and are especially easy to apply to online stores. E-commerce players can use this payment system easily, quickly and which can improve the performance process in their online stores. However, the selection of services that provide a payment system must also be considered carefully. A secure payment system provider will provide a sense of security to prospective buyers, meaning that consumer trust must be built by e-commerce service providers so that consumers can be comfortable and do not encounter problems in making purchases and paying for products in the online stores provided.Security is important, the use of credit cards is widely highlighted because there are still many unpleasant incidents or fraud that occur due to the use of credit cards. Education on this security needs to be carried out continuously, because it will be related to consumer behavior.

Fast.com is a popular speed testing tool on the internet that allows users to measure download and upload speeds quickly and accurately. The research approach used in this research is a qualitative approach, while the methods used are literature studies and experiments. The research results show that fast.com is a site used to measure internet speed, especially download speed, where the features and services are easy to understand, without advertising and without complicated settings, so it is very easy to use and the measurement results can be used to evaluate the performance of service providers. internet (ISP) and determine whether the speed provided meets the user's needs.

This research aims to design and build a tool for detecting and repelling pests on kale plants using Passive Infrared (PIR) sensors and Internet of Things (IoT) based pesticide liquid which can be controlled via the Telegram application. This system works by detecting the movement of pests using a PIR sensor, which then activates the mechanism for automatically spraying pesticide liquid to repel pests. Users can monitor and control this tool in real-time via Telegram, providing flexibility in plant monitoring. Data from sensors is sent to the IoT platform and integrated with Telegram to provide remote notifications and control. Test results show that this tool can detect the presence of pests with high accuracy and is effective in repelling pests from the kale plant area. It is hoped that the implementation of this tool can help farmers maintain the quality and quantity of their kale harvest in a more efficient and environmentally friendly manner.

Telkomsel Orbit is a product that provides an internet network that can be used anytime and anywhere, thereby attracting consumer interest. The company continues to market and develop this product so that it can continue to compete with other similar products, including by implementing several marketing methods which will be studied in this research. This study seeks to examine the impact of the independent variables, namely (X1) Personal Selling, (X2) Social Media Marketing and (X3) Sales Promotion on the dependent variable (Y1) Purchasing Decisions. This study uses quantitative data collected based on filling out questionnaires carried out by 330 respondents who are users of Telkomsel Orbit products in the Central Sumatra Region. Sampling was carried out by purposive sampling. Data analysis was conducted using Structural Equation Modeling (SEM) techniques via the SmartPLS application. Statistical results show that the independent variables, such specifically as (X1) Personal Selling, (X2) Social Media Marketing and (X3) Sales Promotion have a positive and substantial effect on the dependent variable (Y1) Purchase Decision resulting in an R-Square featuring the value of 0.267 or 26.7%. The Telkomsel Orbit marketing team is expected to continue to improve and evaluate the application of personal selling, social media marketing and sales promotions to influence consumer decisions in choosing Telkomsel Orbit products. The application of personal selling is considered the most effective in this research, so it is hoped that optimization of human resources and abilities in forming relationships with consumers will continue to be carried out. Likewise, sales promotions must be carried out more massively to be able to continue to compete with other competitors, because the best and most attractive price offers or sales promotion methods will be superior in influencing purchasing decisions. Meanwhile, social media marketing continues to be optimized, especially facing the digital world, where information is disseminated via the internet or social media, so content is needed with information content that can attract consumer interest in products.

The development of Internet of Things (IoT) technology provides opportunities to automate various devices, including height measuring devices. This research aims to design and build an automatic height measuring device that is integrated with IoT technology. This tool is designed to measure body height automatically and send the measurement data to a cloud-based platform, making it easier for users to monitor data in real-time via smart devices. This system uses an ultrasonic sensor to detect body height, a microcontroller as a data processor, and a Wi-Fi module to send data to the server. Test results show that this tool is capable of measuring body height with a good level of accuracy and provides convenience in storing and monitoring measurement data remotely. Thus, this IoT-based height measuring device can be an innovative solution for the need for height measurement that is more efficient and integrated with digital systems.

The use of e-commerce in the world of trade has had a huge impact on Indonesian society, this is related to very important legal issues. The importance of legal issues in the field of E-commerce, especially in providing legal protection for consumers who carry out buying and selling transactions via the Internet. This development emerged due to offers and acceptance from the public, as evidenced by the emergence of various online stores such as Kaskus, Tokopedia, Bukalapak, Shopee and Lazada. This research aims to find out and analyze legal protection for consumers in online buying and selling transactions (e-commerce) and to find out and analyze legal remedies that can be taken by consumers if there is a default in online buying and selling transactions (e-commerce). The approach method used in this research is a normative juridical approach. The specification of this research is descriptive analysis. The data source used is secondary data, which consists of primary, secondary and tertiary law. The data collection tool is library research. The data analysis technique used is qualitative analysis. The results of this research and discussion are legal protection for e-commerce users by upholding consumer rights in accordance with Law Number 8 of 1999 concerning Consumer Protection articles 19, 20, 21, 24, and 26 and regulations related to the implementation of online buying and selling (e-commerce) and the implementation of consumer protection is also supported by involving several parties such as the government, national consumer protection bodies and non-governmental consumer protection institutions. Legal efforts that can be taken to resolve defaults in Law Number 8 of 1999 concerning Consumer Protection are litigation and non-litigation.

Indonesia has a large population of internet users, with more than 175 million active internet users in 2021 to 2024. This provides a strong foundation for the development of social media in the country. The increasing use of smartphones in Indonesia also has an impact on the development of social media and online buying and selling (e-commerce). The Indonesian government has issued laws and regulations regarding the use of social media with a focus on online buying and selling and handling infringing content. This research uses normative juridical methods. One of the challenges in buying and selling transactions via social media is security and trust. Because these transactions are often conducted between individuals who do not know each other, it is important to be careful and verify the seller or buyer before making a transaction. Consumer law in Indonesia is regulated by Law Number 8 of 1999 concerning Consumer Protection (Consumer Law). This Consumer Law provides a legal basis and legal protection for consumers in carrying out buying and selling transactions, both conventionally and via social media.  

Indonesia is the country with the fourth largest number of internet users in the world, after the United States, with 212.9 million users in 2023. The development of technology and the internet has had a significant impact on people's lives, especially in terms of online shopping. E-commerce users in Indonesia have increased significantly in recent years. Shopee is one of the platforms that is often used by Indonesians to shop online easily, safely, and quickly. This platform supports customers with strong payments and logistics services, and can be easily accessed via smartphones. Shopee Express, as part of Shopee's e-commerce service, has advantages over other platforms because of the various offers provided. However, a number of Shopee consumers have complained about the delivery service, ranging from damaged goods to packages that arrive late. This study aims to determine the effect of  Customer Experience, Security, and Punctuality on Shopee Express Customer Satisfaction in Bandung City. This study uses a descriptive and verification approach with quantitative methods, and data collection techniques using questionnaires. Respondents' answers to the questionnaires distributed were then analyzed using research instrument analysis, classical assumption tests, and multiple linear regression. The statistical analysis tool used in this study is the Statistical Package for the Social Science (SPSS) software. The number of samples in this study was 385 people, selected through simple random sampling techniques. The results of multiple linear regression analysis show that partially,  Customer Experience has an effect of 11.953, Security of 5.466, and Punctuality of 8.647, which have a positive and significant effect on Customer Satisfaction. Simultaneously,  Customer Experience, Security, and Punctuality have a positive and significant effect on Customer Satisfaction of 389.559, with a coefficient of determination of 75.2%.

This research aims to develop a network security system with AdGuard DNS on Debian Linux and control time-based internet access using the Microtik Routerboard. The main challenges are rising network security threats and the need for efficient internet access management in a variety of environments, including families,, education, and offices. The aim of this study is to improve network security and efficiency by blocking harmful content and advertisements, ining user privacy, and regulating internet access at a specific time. Technologies used include DNS AdGuard on Debian Linux to strengthen protection against network security threats and RouterOS Microtik devices to manage internet access based on time. These technologies include content filtering features, network traffic distribution (load balancing), and the ability to block unwanted sites to enhance network performance. Research results show that the combination of AdGuard DNS and   Microtik Routerboard is an effective solution to enhance network security and efficiency. The system is capable of blocking harmful content and advertising, improving user privacy, and adjusting internet access as needed, thus creating a more secure, controlled, and optimal network.

Indonesia as one of the developing countries that Pancasila economic system must utilize new digital technologies to improve its economy, improve its economiy. This research aims to understand the role of e-commerce in improving people’s walfare in the digital era. It explores how the digital economy has impacted the growth of online commerce businesses in Indonesia over the past five years and examines the digital strategies adopted by e-commerce companies to improve  operational efficiency and customer service. Operational efficiency and customer service. The study highlights the contribution of leading platforms such as Shopee and Tokopedia, which are use advanced digital marketing tehcniques, user-friendly interfaces and strong security measures to build trust, and strong security measures to build consumer trust and increase engagement. Financial technology (fintech) also plays an important role in supporting e-commerce by enabling transaction role in supporting e-commerce by enabling secure transactions, efficient transactions, and expanding access to financial services. In summary, the growth of combined internet usage, e-commerce, and fintech in Indonesia highlights the country’s significant strides in developing a dynamic digital economy. The country’s significant strides in developing a vibrant digital economy. These advancement are diving economic growth, enhancing financial inclusion, and transform the shopping experience, thereby improving the overall economic well-being of society as a whole in the digital age    

In simplifying the process of monitoring the temperature of electric vehicle batteries, especially in discharging conditions, a remote electric vehicle battery temperature monitoring system was created. The problem with the previous monitoring system was that there was no electric battery temperature monitoring system, so users could not monitor the temperature condition of the vehicle battery when in use. The purpose of this study is to design an Internet of Things (IoT)-based electric vehicle battery temperature monitoring device system using the web and add a data logger to monitor battery temperature remotely and find out the difference in temperature values from the device with a thermogun. And the addition of a cut off feature when the battery overheats as one of the safety. The research method uses experiments, namely by comparing the speed between 30km/h and 50km/h and comparing the readings of the monitoring device with a thermogun. In proving the performance of the monitoring equipment, it is carried out with a distance of 1km, 2km, and 3km and in sloping road conditions. The data obtained were then analyzed using the paired T-test method. The results of the study showed that the tool worked quite well with the highest error value of 3.88%. And the battery temperature value between the speed of 30km/h and 50km/h is a significant difference with a P-value result of 0.035 which means that H0 is rejected and H1 is accepted.

Perkembangan teknologi yang pesat, khususnya internet, telah mengubah cara hidup masyarakat, termasuk cara mereka berinteraksi, menggunakan media sosial, dan berbelanja. Teknologi ini mempermudah aktivitas manusia, termasuk pelaku bisnis yang menggunakan internet untuk mengembangkan usaha mereka. Penggunaan Sistem Informasi dan Teknologi Informasi dalam bisnis menjadi faktor utama peningkatan kinerja perusahaan. Daster Geulis, sebuah usaha UMKM yang menyediakan produk pakaian, berkomitmen memperluas jangkauan pasarnya melalui pengembangan e-commerce. Penelitian ini bertujuan untuk merancang User Interface (UI) dan User Experience (UX) aplikasi e-commerce Daster Geulis. Perancangan UI/UX yang baik dapat meningkatkan efisiensi dan produktivitas, serta memberikan pengalaman pengguna yang optimal. Metode Agile UX digunakan dalam perancangan ini untuk menciptakan solusi berdasarkan empati terhadap kebutuhan pengguna. Hasil penelitian ini diharapkan dapat menghadirkan solusi digital yang efektif dan efisien, meningkatkan daya saing, kepuasan pelanggan, dan jangkauan pasar Daster Geulis.

The goal of improving the compatibility of the Windows operating system with various devices is to ensure that Windows runs well on desktops, laptops, tablets, and mobile devices. Technical developments such as system modularization, performance optimization, and better driver integration are part of this effort. To expand the range of devices, Microsoft supports ARM architecture in addition to x86 architecture. Additionally, support for IoT technology, biometric sensors and touch screens has been improved. Maintaining a consistent user experience and expanding the ecosystem of Windows-compatible devices is the goal of this effort.

The rapid advancement of Industrial Internet of Things (IIoT) technology necessitates robust authentication solutions to ensure security, scalability, and efficiency. This project, titled "Enhancing Security in Industrial IoT: Authentication Solutions Leveraging Blockchain," examines various blockchain-based authentication methods for IIoT and identifies their strengths and weaknesses. Despite the enhanced security and decentralized nature of blockchain, issues such as scalability, high latency, and computational load persist. To address these challenges, we propose the integration of Multi-Factor Authentication (MFA) as a supplementary solution. MFA can distribute the authentication load, enhance flexibility and security, and reduce latency by utilizing quick-to-verify factors. Moreover, MFA ensures high availability and scalable storage and processing through cloud services, seamlessly integrating with existing systems to provide a superior user experience. This comprehensive approach not only mitigates the inherent limitations of blockchain technology in IIoT but also reinforces the overall security framework, ensuring resilient and efficient authentication mechanisms. The results demonstrate significant improvements in system performance and user satisfaction, establishing MFA as a viable enhancement to blockchain-based IIoT security solutions.

The Industrial Internet of Things (IIoT) enhances the connectivity and efficiency of living lifestyles. However, it also comes with significant security vulnerabilities. Traditional authentication methods are often inadequate, leading to IIoT devices opened to security threats. This paper proposes a comprehensive security framework integrating blockchain, cryptographic techniques, smart contracts, and deep learning-based Intrusion Detection Systems (IDS) to tackle the mentioned issue. Blockchain ensures data integrity and prevents tampering through a decentralized ledger. A decentralized device identity management system enhances user verification, while secure communication protocols using Hash-based Message Authentication Codes (HMAC) safeguard data integrity. Smart contracts automate transactions, providing transparent, secure record-keeping without a central authority. The deep learning-based IDS, utilizing Contractive Sparse Autoencoder (CSAE) and Attention-Based Bidirectional Long Short-Term Memory (ABiLSTM) networks, effectively detects cyber threats. Evaluation metrics, including precision, recall, F1-score, and False Acceptance Rate (FAR), demonstrate high accuracy and low false alarm rates across datasets. This framework addresses the need for secure, efficient, and scalable authentication in IIoT, combining blockchain's security features with advanced cryptographic and anomaly detection techniques, offering robust defence against cyber threats.

At this moment, IoT technology was implemented in a broader area. The development of IoT technology can help human life become more manageable. IoT systems can help human activity through the natural time control system provided before. But there are some drawbacks when implementing the IoT system. One of them is the transmission process in the networking area. It’s happened because of weather, and other natural problems. Sometimes, IoT transmission can’t reach on time. It can make errors reading data on the user side. We proposed a transmission system, namely a Hybrid MP-QUIC transmission protocol, for helping in sending the data. Using this transmission protocol can reduce the response time between client and server.

A traffic violation is an act or action carried out by a person driving a motorized vehicle or a pedestrian which is contrary to the laws and regulations in the field of traffic and road transportation. Therefore, traffic management and engineering is needed so that every motorized vehicle user has regulations in traffic so that they understand the use of road directions and lanes and the law is a guide to the rules and regulations of a society and must be obeyed. The main problems in this research are: (1) What is the process for resolving traffic violation cases committed by TNI-AD soldiers in the Legal Area of ​​Military Court III-15 Kupang? (2) How are criminal sanctions imposed on TNI-AD soldiers who commit traffic violations in the Legal Area of ​​Military Court III-15 Kupang?. This research is empirical normative research, so the data sources used are primary data sources, secondary data and tertiary data. Primary data was obtained from interviews, secondary data was obtained from libraries, journals and the internet, and tertiary data was obtained from dictionaries, Wikipedia and encyclopedias. Data were analyzed descriptively-qualitatively. The results of this research show that (1) The process of resolving cases of road traffic violations committed by the TNI-AD was examined using a rapid examination process based on Law Number 31 of 1997 concerning Military Justice and Law Number 22 of 2009 concerning Traffic and Transport Roads. (2) The criminal sanctions imposed on the TNI-AD who commit traffic violations are fines and imprisonment.

The development of e-commerce is currently increasingly rapid, marked by the increasing number of internet users in Indonesia. Customer satisfaction and trust are the most dominant problems in every business unit operating in the service sector, but the process of achieving customer satisfaction is not easy. Because many other factors can influence the achievement of this level of customer satisfaction. Through this research, the author aims to determine the level of customer satisfaction, namely by using the Customer Satisfaction Index method. Based on the research results, it is known that female consumers, consumers aged 23-28 years, and private employees are the dominant respondents. The level of consumer satisfaction with e-commerce based on CSI is 97.12%.

With the rapid development of technology and the Internet, more and more people are using electronic payments as a convenient solution for online transactions. The aim of this research is to show and analyze how service quality influences user satisfaction with the DANA electronic payment application. DANA is a platform that supports non-cash payments and mobile payments. This research uses quantitative methods by collecting data through questionnaires distributed to 30 Banten students using DANA. Data analysis was carried out using multiple regression as well as the t test, F test, and coefficient of determination test. The research results show that reliability, guarantee, and responsiveness can have a significant impact on user satisfaction. Overall, reliability, security, and responsiveness also have a significant impact on user satisfaction.

Digital transformation in the public transportation sector is part of the national development priority agenda aimed at improving service quality and operational efficiency. This study aims to analyze the implementation of cashless payment-based digital transformation in public transportation policy on the Suroboyo Bus in Surabaya, analyze service quality based on SERVQUAL dimensions, identify supporting and inhibiting factors for implementation, and evaluate the success and shortcomings of the policy. This research uses a qualitative approach with a descriptive research type. The results show that the implementation of cashless payment on the Suroboyo Bus has been running well since 2018, with four main payment methods: QRIS, e-money cards, plastic waste contributions, and the Child Identity Card (KIA). QRIS has become the dominant payment method with a 48% share in 2025. Service quality based on SERVQUAL dimensions shows good results in the aspects of tangibles, reliability, and responsiveness, but still requires improvement in the dimensions of assurance and empathy. Supporting factors for implementation include government commitment, the availability of regulations (Perwali No. 22 of 2023)., adequate infrastructure, and support from digital payment service providers. Inhibiting factors include limited digital literacy, internet network disruptions, limited economic access, and lack of socialization. The success of the policy is reflected in increased operational efficiency, financial transparency, and a rise in the number of users from 1.2 million (2019). to 3.5 million (2025). Shortcomings of the policy include the digital gap for vulnerable groups, dependence on internet networks, and a decrease in participation in the plastic waste payment program from 25% (2023). to 12% (2025).