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Articles on Trending Technologies
Technical articles with clear explanations and examples
Importance of Formal Information Security Education
Having the right people learn the right things and having metrics in place to ensure knowledge transfer has occurred are both crucial reasons why formal information security education is essential. This education includes attending classes in person, participating in online training courses either live or via recordings, or self-learning through printed materials. You wouldn't trust a doctor who has only read books about medicine without attending medical school, or have someone defend you in court who has only read law books but never graduated from law school. Similarly, cybersecurity professionals need structured, formal education to effectively protect organizations from ...
Read MoreWhat are different types of multiple access protocols?
Multiple access protocols are used to coordinate access to shared communication channels, where multiple nodes regulate their transmission onto broadcast channels. These protocols are essential in both wired and wireless LANs, as well as satellite networks. When multiple nodes transmit frames simultaneously, collisions occur at the receiver. During a collision, transmitted frames are lost and no acknowledgement is sent, wasting the broadcast channel during the collision interval. Multiple access protocols solve this fundamental problem by providing structured methods for channel sharing. Multiple Access Protocol Classification Random Access ...
Read MoreDifference between Circuit Switching and Packet Switching
Circuit Switching and Packet Switching are two fundamental approaches to data transmission in computer networks. Circuit switching establishes a dedicated communication path, while packet switching divides data into packets that travel independently through the network. Circuit Switching Circuit switching is a connection-oriented service that provides a dedicated path from the sender to the receiver. A connection setup is required before data transmission can begin. This method has very little chance of data loss due to the dedicated circuit, but bandwidth can be wasted since the same path cannot be used by other senders during transmission. Circuit switching is ...
Read MoreUpgrade your computer for free to windows 10
People who have been using Windows operating systems typically encounter persistent messages to upgrade to Windows 10. The good news is that upgrading to Windows 10 was initially offered as a free upgrade for eligible users. However, this free upgrade period had specific time limitations that users needed to be aware of. Microsoft took a different approach compared to Apple, which allows its users to upgrade to the newest operating system for free at any point. Windows users who missed the free upgrade window would need to purchase a license, which could cost around $119 or more depending on ...
Read MoreDifference between MAN and WAN
A Metropolitan Area Network (MAN) is a medium-sized network that covers a larger geographical area than a LAN, typically spanning cities or towns. In contrast, a Wide Area Network (WAN) is a much larger network that connects locations across countries or continents, essentially functioning as a network of LANs linked via various communication technologies. Understanding the differences between MAN and WAN is crucial for network design decisions, as each serves distinct purposes based on geographical coverage and connectivity requirements. MAN vs WAN Coverage Comparison ...
Read MorePreventing Equifax-Style Hacks
The Equifax data breach settlement brought cybersecurity back into the national conversation, highlighting critical vulnerabilities in enterprise security practices. The breach exposed personal data of over 140 million Americans, demonstrating how organizations can fall victim to preventable security flaws when proper security measures are not implemented. The root cause lies in technical debt — when organizations fail to keep their applications updated with the latest patches and security fixes. This leaves systems vulnerable to Common Vulnerabilities and Exposures (CVEs), creating entry points for cybercriminals. The 2017 Equifax Incidents Equifax experienced two major security incidents in 2017. The ...
Read MoreWhat is Webmail?
Webmail is a type of email service that allows users to access and manage their email messages through a web browser. Instead of using a dedicated email client like Microsoft Outlook or Apple Mail, users can log in to their email account using a web-based interface and perform tasks like reading and sending email, organizing messages into folders, and managing their contacts. Webmail is convenient because it can be accessed from any device with an internet connection and a web browser, without the need to install any software. This makes it particularly useful for users who need to access ...
Read MoreTCP 3-Way Handshake Process
Transmission Control Protocol (TCP) provides a secure and reliable connection between two devices using the 3-way handshake process. TCP uses a full-duplex connection to synchronize (SYN) and acknowledge (ACK) each other on both sides. There are three steps for both establishing and closing a connection: SYN, SYN-ACK, and ACK. The 3-way handshake ensures that both client and server are ready for data transmission and agree on initial sequence numbers for reliable data ordering and flow control. Connection Establishment Process The following diagram illustrates how a reliable connection is established using the 3-way handshake between a client and ...
Read MoreWhat is Campus Area Network (CAN)?
A Campus Area Network (CAN) is a computer network that interconnects multiple buildings within a limited geographical area such as a university campus, corporate complex, or industrial site. CAN is larger than a Local Area Network (LAN) but smaller than a Metropolitan Area Network (MAN) or Wide Area Network (WAN). The primary purpose of CAN is to provide high-speed connectivity and resource sharing between different departments, buildings, and facilities within an organization's premises. For example, a university CAN connects academic buildings, libraries, dormitories, and administrative offices, enabling seamless communication and data sharing across the entire campus. ...
Read MoreDigital Footprint Management: Leaving Your Mark Without Leaving a Trace
In today's digital age, our online presence is more important than ever. Your digital footprint – the trail of data you leave behind as you navigate the internet – has become an essential aspect of your personal and professional life. From job hunting to maintaining relationships, having a positive and secure digital footprint can be a game-changer. However, managing this vital aspect of your online identity requires consistent effort and attention to detail. This article discusses the importance of managing your digital footprint, provides practical tips on enhancing your online reputation while protecting your privacy, and helps you ...
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