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Introduction With rapid advancement of technology and growth of internet, network security has become an increasingly important issue. Organizations and individuals alike are constantly at risk of cyber-attacks, and consequences of a successful attack can be devastating. In this article, we will discuss a model for network security that can be used by organizations to protect their networks. Understanding Threat Landscape Before implementing a network security model, it is important to understand threat landscape. Cyber attackers can use a variety of techniques to compromise a network, including − Malware Malware is malicious software that is designed to damage, disrupt ... Read More
Introduction Hashing is an essential aspect of modern cryptography. It is used to encrypt data in a secure and efficient way. Cryptographic hash functions are a type of mathematical function that takes data of any size and converts it into a fixed-size output, which is referred to as a hash. This article will provide a cryptographic introduction to hashing and hash collisions, explaining how hash functions work and why hash collisions can be a problem. What is Hashing? Hashing is a process that takes input data of any size and maps it to a fixed-size output, which is called a ... Read More
Introduction When it comes to gaming monitors, one of key specifications that is often discussed is refresh rate. A monitor's refresh rate determines how many times per second screen is updated with new information. two most popular refresh rates are 60 Hz and 144 Hz. While many gamers swear by benefits of a 144 Hz monitor, others argue that difference is negligible. In this article, we will explore differences between 60 Hz and 144 Hz and help you decide which one is right for you. What is Refresh Rate? Before we delve deeper into topic, let's first understand what refresh ... Read More
Introduction Computer networking is a critical aspect of modern technology. In today's connected world, almost every organization relies on networking to share data and resources. Networking involves connection of multiple devices, such as computers, servers, printers, and other hardware devices, to facilitate communication and data transfer. Aspiring network engineers and IT professionals must have a solid understanding of principles and practices of computer networking to build and maintain efficient network infrastructures. In this article, we'll review six best books to learn computer networking. "Computer Networking: A Top-Down Approach" by James F. Kurose and Keith W. Ross "Computer Networking: A Top-Down ... Read More
Introduction The fifth-generation wireless network (5G) is latest standard in mobile communication technology, and it is set to revolutionize way we interact with world around us. It is an upgraded version of fourth-generation (4G) wireless network, with faster internet speeds, lower latency, and higher capacity. 5G network is poised to transform various sectors, including healthcare, education, transportation, entertainment, and agriculture. In this article, we will explore potential of 5G and how it will shape future of wireless networks. The Speed and Capacity of 5G The 5G network is designed to offer faster internet speeds than its predecessor. With a ... Read More
The Internet of Things (IoT) has emerged as one of most transformative technological innovations of modern era, enabling interconnectivity of devices and machines that we use in our daily lives. IoT has revolutionized way we interact with technology and world around us, paving way for new business models, improved efficiency, and greater convenience. To enable interconnectivity of devices and machines, a robust and scalable architecture is necessary. 5-layer architecture of IoT is a widely accepted framework that provides a structured approach to IoT system design and implementation. In this article, we will explore 5-layer architecture of IoT, its sub-headings, and ... Read More
Introduction Mobile communication technology has undergone significant advancements in recent years, and 4G mobile communication technology is one such example. 4G or Fourth-generation mobile communication technology is most recent and advanced version of mobile communication network that provides better speed, capacity, and coverage than its predecessors. It was first introduced in 2010 and quickly gained popularity worldwide due to its high-speed internet connectivity and better user experience. In this article, we will discuss features, benefits, and limitations of 4G mobile communication technology. Features of 4G Mobile Communication Technology The following are key features of 4G mobile communication technology − High-Speed ... Read More
Have you ever had a circumstance arise when you wanted to swiftly and effectively rename several files in a folder? When dealing with a large number of files, manually renaming each one can be time-consuming and error-prone. Fortunately, there is a quick fix that makes use of Microsoft Excel's capabilities. In this tutorial, we'll walk you through each step of how to use Excel to rename numerous files in a folder. By the end of this article, you'll be armed with a simple and efficient approach to quickly rename your files. Rename Multiple Files of a Folder Here we will ... Read More
Introduction For every one of us, it is true. Humans are routine and habit-driven creatures. Any deviation from the established pattern is quickly avoided or vigorously rejected. Particularly in the way people work, change is present. It is a monumental task to bring about change within an organization. Nothing guarantees change more than introducing new technology or more effective procedures. People adapt, change, and finally change, which is how change occurs. But some are obstinate. We all prefer to stick with what we are familiar with. Before we delve into understanding how this might impact leadership and business outcomes. ... Read More
Introduction As world continues to grow more digital, need for secure and robust authentication systems becomes increasingly important. Passwords have been traditional method of authentication, but with rise of hacking and other cyber crimes, new authentication methods are needed. One such method is 3D passwords, an advanced authentication system that combines multiple factors for enhanced security. This article will explore concept of 3D passwords, its advantages and disadvantages, and some examples of their usage. What are 3D Passwords? 3D passwords are a new type of authentication system that adds an extra layer of security to traditional password-based systems. They are ... Read More