Computer security

What Does A Web Application Firewall Do?

What Is A Web Application Firewall? A web application firewall (WAF) is a specific form of application firewall that filters, monitors, and blocks HTTP traffic to and from a web service. A WAF or Web Application Firewall helps protect web applications by filtering and monitoring HTTP traffic between a web application and the Internet. It typically protects web applications from attacks such as cross site forgery, cross-site-scripting…

Computer security

CHECKING AND INSTALLING WINDOWS UPDATE MANUALLY

Windows Update is a free Microsoft service that’s used to provide updates like service packs and patches for the Windows operating system and other Microsoft software. Windows Update can also be used to update drivers for popular hardware devices. Patches and other security updates are routinely released through Windows Update regularly. for urgent fixes. What Is Windows Update Used For? Windows Update is used to…

Computer security

HOW TO GET FREE SSL CERTIFICATE FOR YOUR BLOG AND WEBSITE

DEFINITION SSL certificates are what enable websites to move from HTTP to HTTPS which is more secure. An SSL certificate is a data file hosted in a website’s origin server. SSL certificates make SSL/TLS encryption possible, and they contain the website’s public key and the website’s identity, along with related information. Devices attempting to communicate with the origin server will…

Biometric
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WHAT IS BIOMETRIC CLOCKING SYSTEM

 Introduction Biometric clocking systems have revolutionized the way organizations track and manage employee time and attendance. Gone are the days of traditional punch cards or manual sign-in sheets, as biometric clocking systems utilize unique physical or behavioral characteristics to accurately identify individuals. These systems not only enhance security and prevent fraud but also streamline payroll…

Computer security

HOW TO STOP WINDOWS SCRIPT ERROR POP UP

The Windows Script Host Error can be seem as a virus or malware infection to the untrained eye, however, it is nothing more than an error with the VBScript file. It appears with all versions of the operating system, and it doesn’t depend on any specific software that may trigger it. Why take casein? Casein or whey boldeprime pump efficient or…

Computer security

BEST COMPUTER SECURITY SOFTWARE

Antivirus Definition Softwares that are created specifically to help detect, prevent and remove malware (malicious software). Antivirus is a kind of software used to prevent, scan, detect and delete viruses from a computer. Once installed, most antivirus software runs automatically in the background to provide real-time protection against virus attacks. Comprehensive virus protection programs help…

Computer security

HOW TO DETECT AND SOLVE HARD DISK PROBLEMS

Hard disk,a Magnetic storage medium for a microcomputer. Hard disks are flat, circular plates made of aluminum or glass and coated with a magnetic material. Hard disks for personal computers can store up to several gigabytes (billions of bytes) of information. Data are stored on their surfaces in concentric tracks. What is the job of a hard disk? A hard drive is the…

Computer security

COMPUTER NETWORKING CONCEPTS

WHAT IS COMPUTER NETWORKING? Computer networking is the act of connecting, two or more computers  for the purpose of communicating data electronically. Besides physically connecting computer and communication devices, a network system serves the important function of establishing a cohesive architecture  that allows a variety of equipment types to transfer information in a near-seamless fashion. Two popular architectures are ISO…

Computer security

BITCOIN MINING SOFTWARES

What is Bitcoin? Bitcoin is a digital currency created in January 2009 following the housing market crash. It follows the ideas set out in a whitepaper by the mysterious and pseudonymous Satoshi Nakamoto.1 The identity of the person or persons who created the technology is still a mystery. Bitcoin offers the promise of lower transaction fees than traditional online…

Computer security

TELECOMMUNICATIONS BENEFITS

DEFINITION OF TELECOMMUNICATION Telecommunications, or telecom, refers to the process of exchanging information such as voice, data and video transmissions via electronic technologies like telephones (wired and wireless), microwave communications, fiber optics, satellites, radio and television broadcasting, and the internet. Six potential media are employed to implement telecommunication links and systems Twisted pair. Coaxial cable….

Computer security

HOW TO INSTALL WINDOWS OS

Each version of Microsoft Windows is installed on a computer using similar steps. While there are steps in the installation process it can differ between versions of Windows, the following general steps and guidelines help you install Windows on your computer. To install windows os on your computer, you need to ensure that your meets…

Computer security

HOW TO CONFIGURE FTB SERVER IN LINUX OS

What is a server In computing, a server is a piece of computer hardware or software that provides functionality for other programs or devices, called “clients”. This architecture is called the client–server model. A server is a computer or system that provides resources, data, services, or programs to other computers, known as clients, over a…

Computer security

HOW TO KNOW IF MY COMPUTER HAS GRAPHICS CARD OR NOT

What is graphic card in computer? A video card (also called a graphics card, display card, graphics adapter, or display adapter) is an expansion card which generates a feed of output images to a display device (such as a computer monitor). How many types of graphics card do we have? two typesThere are two types of graphics cards: integrated and dedicated. An integrated graphics card, usually by Intel…

Computer security

PC CHARGING PROBLEMS AND SOLUTIONS

Charging issues  and problems are the failure of a computer to charge even when it is connected to light.Most often the result of faulty power adapters, non-working power outlets, or bad batteries. If everything checks out okay with the hardware, you can usually fix power issues by updating your laptop’s power or battery management settings. Reasons Why…

Computer security

Windows Dhcp Server Command Line

What is DHCP?(Dynamic Host Configuration Protocol) DEFINITION Dynamic Host Configuration Protocol (DHCP) is a network management protocol used to automate the process of configuring devices on IP networks, thus allowing them to use network services such as DNS, NTP, and any communication protocol based on UDP or TCP. A DHCP server dynamically assigns an IP…

Computer security

WHAT ARE COMPUTER DRIVERS?

WHAT ARE COMPUTER DRIVERS? In the most fundamental sense, a driver is a software component that lets the operating system and a device communicate with each other. For example, suppose an application needs to read some data from a device. The application calls a function implemented by the operating system, and the operating system calls…

Computer security

COMMON DSTV ERROR CODES AND HOW TO FIX THEM

DSTV DEFINITION DSTV Means digital setellite television,DStv is a Sub-Saharan African direct broadcast satellite service owned by MultiChoice. The service launched in 1995 and provides multiple channels and services to their subscribers. What are PVR features on DStv? It has the following exciting features: Record 150 hours of standard TV or 50 hours of HD…

Computer security

PROJECTOR MAINTENANCE TIPS

WHAT IS A PROJECTOR? A projector is an output device that takes images generated by a computer or Blu-ray player and reproduce them by projection onto a screen, wall, or another surface. In most cases, the surface projected onto is large, flat, and lightly colored. For example, you could use a projector to show a presentation on a large…

Computer security

UNDERSTANDING COMPUTER SYSTEM ADMINISTRATION

A system administrator, or sysadmin, is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems; especially multi-user computers, such as servers. This is the responsibility of a computer systems administrator. Computer systems administrators are responsible for the upkeep, configuration, and reliable operation of a company’s computer systems; especially multi-user computers, such as servers. They…

Computer security

PARENTAL CONTROL SOFTWARE

Parental Control Software What does Parental Control Software mean? Parental controls are features which may be included in digital television services, computer and video games, mobile devices and software that allow parents to restrict the access of content to their children Parental control software refers to a wide spectrum of software programs and resources for…

Computer security

Prevention Tips For Cyber Crime

What is cybercrime? Cybercrime is criminal activity that either targets or uses a computer, a computer network or a networked device. Most, but not all, cybercrime is committed by cybercriminals or hackers who want to make money. Cybercrime is carried out by individuals or organizations. Some cybercriminals are organized, use advanced techniques and are highly…

Computer security

Microsoft Sql Server Analysis And Services

WHAT IS MICROSOFT SQL SERVER? Microsoft SQL Server is a relational database management system developed by Microsoft. As a database server, it is a software product with the primary function of storing and retrieving data as requested by other software applications—which may run either on the same computer or on another computer across a network….

Computer security

What Is Windows Firewall Used For

A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is to establish a barrier between your internal network and incoming traffic from external sources (such as the internet) in order to block malicious traffic like viruses and hackers. The…

Computer security

UNDERSTANDING PROGRAMMING LANGUAGES

What is a programming Language? A programming language is a set of commands, instructions, and other syntax use to create a software program. Languages that programmers use to write code are called “high-level languages.” This code can be compiled into a “low-level language,” which is recognized directly by the computer hardware. A programming language is also a notation…

Computer security

ROUTING PROTOCOLS

What is a router in networking? A router is a piece of network hardware responsible for forwarding packets to their destinations. Routers connect to two or more IP networks or subnetworks and pass data packets between them as needed. Routers are used in homes and offices for setting up local network connections. More powerful routers…

Computer security

HOW TO REMOVE BIOS PASSWORD IN LAPTOPS

What is Bios? In computing, BIOS is firmware used to perform hardware initialization during the booting process, and to provide runtime services for operating systems and programs. The BIOS firmware comes pre-installed on a personal computer’s system board, and it is the first software to run when powered on. BIOS (basic input/output system) is the program…

Computer security

HOW TO REMOVE RIGHT PROTECTION FROM USB DRIVES AND MEMORY CARDS

What is right protection in memory card? It exists to ensure that you cannot inadvertently write over critical data on your SD card or delete data to make space to write new files. When write–protection is activated, you will be able to read data on the card—only write operations are blocked. Once your USB flash disk, SD card, internal or external hard drive is write–protected, it means that your device…

Computer security

BEST CODE EDITORS FOR PROGRAMMERS

Code Editors Definition A code editor is a software or an application that helps programmers to compile and edit their codes before publishing or uploading it to the web server,it is also the place where programmers spend most of their time. TYPES OF CODE EDITORS There are two main types of code editors: IDEs and…

Computer security

HOW TO PREVENT POS FRAUD

What Is a POS Machine? The full meaning of POS is “point of sale,” or, in other words, it’s where your transaction is finalized. The term itself can have a couple of different interpretations. In the narrowest sense, it means that the terminal that sits beside the cash register to process credit and debit cards,…

Computer security

How To Configure Mysql Server

DEFINITION MySQL is an open source relational database management system (RDBMS) with a client-server model. RDBMS is a software or service used to create and manage databases based on a relational model. Now, let’s take a closer look at each term: MySQL is also an Oracle-backed open source relational database management system based on Structured Query Language…

Computer security

COMPUTER FILE TRANSFER PROTOCOL(FTP)

DEFINITION FTP, means file transfer protocol, computer application used to transfer files from one computer to another over a local area network (LAN) or a wide area network (WAN) such as the Internet. FTP. File transfer protocol (FTP) is also a set of rules that computers follow for the transferring of files from one system to another over the internet….

Computer security

UNDERSTANDING WEB HOSTING

DEFINITION Web hosting is a situation. whereby a hosting provider allocates space on a web server for a website to store its files,  Web hosting makes the files that comprise a website (code, images, etc.) available for viewing online. Every website you’ve ever visited is hosted on a server. Types of  web hosting VPS Hosting VPS stands for “virtual private server.” This hosting type is a step above shared…

Computer security

HOW TO FIX WHITE SCREEN PROBLEM IN LAPTOP

The laptop white screen problem may be caused by a faulty graphics card, non-working display, malware/viruses, etc. Now, let’s go to see how to fix the white screen on laptop. Tip: In addition, you may also be bothered by the white screen on computer monitor if you are using a desktop PC If you have such problem,follow the steps below to solve it. Modify your…

Computer security

THE COMPUTER CPU AND ITS FUNCTIONS

(CPU) means,Central processing unit,it is a principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit. It constitutes the physical heart of the entire computer system; to it is linked various peripheral equipment, including input/output devices and auxilliary storage units. In modern computers, the CPU is contained on an integrated circuit chip called a microprocessor. The control unit of the central processing…

Computer security

What Is a Computer Ram?

DEFINITION RAM (random-access memory) is a hardware device that allows information to be stored and retrieved on a computer. RAM is usually associated with DRAM, which is a type of memory module. Because data is accessed randomly instead of sequentially like it is on a CD or hard  drive access times  are much faster. However, unlike ROM, RAM is a VOLATILE MEMORY and requires…

Computer security

MICROSOFT ACCESS SHORT CUT KEYS

What is Microsoft Access? Microsoft Access is a Database Management System offered by Microsoft. It uses the Microsoft Jet Database Engine and comes as a part of the Microsoft Office suite of application. Microsoft Access offers the functionality of a database and the programming capabilities to create easy to navigate screens (forms). It helps you analyze…

Computer security

COMPUTER MOTHER BOARD TYPES AND FUNCTIONS

Definition The motherboard is a printed circuit board and foundation of a computer that is the biggest board in a computer chassis. It allocates power and allows communication to and between the CPU RAM, and all other computer HARDWARE components. Types of Motherboards Motherboards come in different sizes, known as form factors. The most common motherboard form factor is ATX. The different types of ATX…

Computer security

COMPUTER PROCESSORS AND THEIR FUNCTIONS

WHAT IS A COMPUTER PROCESSOR A processor, or “microprocessor,” is a small chip that resides in computers and other electronic devices. Its basic job is to receive input and provide the appropriate output. While this may seem like a simple task, modern processors can handle trillions of calculations per second. A central processing unit, also called a central processor, main…

Satellite TV tutorial
Computer solution

HOW TO BROWSE THE INTERNET USING YOUR DIGITAL SATELLITE DECODER

Introduction In today’s digital age, our reliance on the internet for various tasks and entertainment has become an integral part of our lives. While most people access the internet through traditional means such as computers, smartphones, and tablets, there is another convenient option available – digital satellite decoders. These devices, primarily used for accessing satellite…

Computer security

COMPUTER OPERATING SYSTEMS AND HOW THEY WORK

What is a computer operating system? An operating system is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language. Without an operating system, a computer is useless. Operating system (OS), program that manages a computer’s resources,…

Computer security

Functions And Operations Of Vpn Concepts

VPN DEFINITION  (VPN) is called virtual private network it gives you online privacy and anonymity by creating a private network from a public internet connection. VPNs mask your internet protocol (IP) address so your online actions are virtually untraceable. Most important, VPN services establish secure and encrypted connections to provide greater privacy than even a…

Computer security

WHAT ARE WEBSPIDERS AND CRAWLERS

A web crawler, spider, or search engine bot downloads and indexes content from all over the Internet. The goal of such a bot is to learn what (almost) every webpage on the web is about, so that the information can be retrieved when it’s needed. They’re called “web crawlers” because crawling is the technical term for automatically…

Computer security

ETHICAL HACKING IN INFORMATION SECURITY

Hacking is the act of identifying weakness in computer systems or networks and exploiting these weaknesses to gain access to other people’s computers so as to steal sensitive data and information. Example of Computer Hacking: Using password cracking algorithm to gain access to a system Hacking is also an attempt to exploit a computer system or a…

Computer security

WHAT IS INFORMATION TECHNOLOGY AND WHY IS IT IMPORTANT TO SOCIETY

DEFINITION IT or information technology refers to the development, maintenance, and use of computer software, systems, and networks. It includes their use for the processing and distribution of data. Data means information, facts, statistics, etc., gathered together for reference, storage, or analysis. IT involves installing, organizing, and maintaining computer systems. It also involves designing and…

Computer security

ESSENTIAL RUN COMMANDS EVERY WINDOWS USER MUST KNOW.

Run command is part of BASIC programming language used for starting a program. In Windows, people uses Run command to quickly open apps and documents. Simply press ‘Win + R’ shortcut keys to open the Run prompt. Run Command in Windows 10. You can enter any application name or folder or document in the ‘Open’ text box. Microsoft created Windows operating system with…

Computer security

CYBER SECURITY SOLUTIONS

Definition Cyber security is the practice of defending computers, servers, mobile devices, electronic systems, networks, and data from malicious attacks. It’s also known as information technology security or electronic information security. The term applies in a variety of contexts, from business to mobile computing, and can be divided into a few common categories. TYPES OF…

Computer security

ANALYSIS OF COMPUTER GENERATIONS

What is a computer? A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web. You can also use it to edit or create spreadsheets, presentations, and even videos. When we study the many aspects of computing…

Computer security

COMPUTER OUTPUT DEVICES

An output device is any piece of computer hardware equipment which converts information into human-readable form. It can be text, graphics, tactile, audio, and video. Some of the output devices are Visual Display Units (VDU) i.e. a Monitor, Printer, Graphic Output devices, Plotters, Speakers etc. An output device is also any peripheral that receives data from a computer, usually for display, projection, or physical…

Computer security

COMPUTER INPUT DEVICES

In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones. An input device is also any hardware device that sends data to a computer, allowing you to interact with and control it TYPES OF…

Computer security

What Are The Main Functions Of Bios

What is BIOS? As your PC’s most important startup program, BIOS, or Basic Input/Output System, is the built-in core processor software responsible for booting up your system. Typically embedded into your computer as a motherboard chip, the BIOS functions as a catalyst for PC functionality action. There are two different types of BIOS: UEFI (Unified Extensible Firmware Interface) BIOS – Any modern PC has a UEFI…

Computer security

HOW TO CONVERT PDF TO WORD DOCUMENT

What is a PDF file? Adobe PDF files—short for portable document format files—are one of the most commonly used file types today. If you’ve ever downloaded a printable form or document from the Web, such as a tax form, there’s a good chance it was a PDF file. Whenever you see a file that ends with .pdf, that means…

Computer security

MAJOR PILLARS OF INTERNET MARKETING

Definition Of Internet Marketing It is also called online marketing, internet marketing is the process of promoting a business or brand and its products or services over the internet using tools that help drive traffic, leads, and sales. Internet marketing a pretty broad term that encompasses a range of marketing tactics and strategies – including content, email, search,…

Computer security

How To Unlock Rar Files With Kali Linux

WHAT IS A RAR FILE? RAR is a proprietary archive file format that supports data compression, error recovery and file spanning. It was developed in 1993 by Russian software engineer Eugene Roshal and the software is licensed by win. … The name RAR stands for Roshal Archive. A RAR file (short for a Roshal Archive Compressed file) is…

Computer security

HARD DISK MAINTENANCE TIPS

A hard disk drive (sometimes abbreviated as a hard drive, HD, or HDD) is a non-volatile data storage device. It is usually installed internally in a computer, attached directly to the disk controller of the computer’s mother board. It contains one or more platters, housed inside of an air-sealed casing. Data is written to the platters using a magnetic head, which moves rapidly over…

Computer security

HOW TO CRACK AND SECURE WIRELESS ENCRYPTION

Wireless encryption secures your wireless network with an authentication protocol. It requires a password or network key when a user or device tries to connect. If your wireless network isn’t secure, unauthorized users could access your network and obtain personal information or use your internet connection for malicious or illegal activity. Your network speed or…

Computer security

HOW TO USE WHOIS TOOLS TO GATHER INFORMATION ABOUT DOMAIN AND IP ADDRESSES

WHOIS is a TCP-based query and response protocol that is commonly used to provide information services to Internet users. It returns information about the registered Domain Names, an IP address block, Name Servers and a much wider range of information services. In Linux, the whois command line utility is a WHOIS client for communicating with the WHOIS server (or database…

Computer security

HOW TO DELETE SAVED PASSWORDS IN MOZILLA FIREFOX BROWSER

A  browser is a software program to present and explore content on the world wide we or internet These pieces of content, including pictures, videos, and web pages, are connected using hyperlinks and classified with URLs (Uniform Resource Identifiers).Mozilla firefox is one of the browser on the net and it is very popular. Firefox usually save your passwords whenever you are browsing…

Computer security

SESSION HIJACKING ATTACK IN CYBER SECURITY

Definition Session hijacking is defined as taking over an active TCP/IP communication session without the user’s permission. When implemented successfully, attackers assume the identity of the compromised user, enjoying the same access to resources as the compromised user. Identity theft, Information theft, stealing sensitive data are some of the common impacts of session hijacking. Session…

Computer security

NETWORK MANAGEMENT AND MONITORING TOOLS

What Is Network Management? Network management refers to the processes, tools and applications used to administer, operate and maintain a network infrastructure. Performance management and fault analysis are also included in network management. To put it simply, network management is the process of keeping your network healthy, which keeps your business healthy. What Are the Components…

Computer security

HOW TO MASTER DIGITAL PHOTOGRAPHY.

What is digital photography?  How does it work? According to Wikipedia, digital photography is a form of photography that uses cameras containing arrays of electronic photodetectors to capture images focused by a lens, as opposed to an exposure on photographic film.  The captured images are digitized and stored as a computer fil read for further…

Computer security

HOW TO DEFRAGMENT YOUR HARD DISK

In my previous post,i told you what is deragmentation and its importance,in this post,i will show you the process of defragmenting your hard drive so as to make your pc work faster. Fragmentation makes your hard disk do extra work that can slow down your computer. Removable storage devices such as USB flash drives can…

Computer security

TOP 3 COMPUTER FOUNDATIONAL SOFTWARES

Af far as computer is concerned,there are some softwares that are refered to as foundational softwares.They are called so because other softwares depend on them to function effectively. The softwares are as follows: Microsoft.net framework 2.Microsoft Visual c++ 3.Java Runtime Environment These softwares are very important to the extent that,programmers who use testing servers for…

Computer security

WIRESHARK ANALYSIS TIPS

WHAT IS WIRESHARK? Wireshark is the world’s foremost and widely-used network protocol analyzer. It lets you see what’s happening on your network at a microscopic level and is the de facto (and often de jure) standard across many commercial and non-profit enterprises, government agencies, and educational institutions. Wireshark development thrives thanks to the volunteer contributions of…

Cyber secure
Computer solution

Authentication Protocols In Cyber Security

Introduction to Authentication Protocols Authentication protocols play a critical role in ensuring the security of digital systems and safeguarding sensitive information. In the dynamic landscape of cyber threats, where unauthorized access and identity theft are prevalent, establishing and maintaining a robust authentication mechanism is vital. This article dives into the realm of authentication protocols in…

Computer security

TOP BEST VPN

VPN stands for ‘virtual private network’ and is a piece of software that that helps to make you more anonymous online, encrypts your internet use, and lets you effectively trick your laptop or mobile device into thinking it’s in another location. That means by choosing the best VPN service out there, you equip your laptop,…

Computer security

What Is Remote Desktop Protocol (RDP)

Remote desktop protocol (RDP) is a secure network communications protocol from Microsoft. RDP is designed for remote management, remote access to virtual desktops, applications and an RDP terminal server.  RDP allows network administrators to remotely diagnose and resolve problems that individual users encounter.  To use RDP, network administrators would use RDP client software, and the individual users would use…

Computer security

15 MOST USEFUL WEBSITES FOR STUDENTS

Obviously, without the Internet, life would be boring You might love the Internet as a way to relax, but there’s also a lot that it can do to help you improve your study habits and make you more successful. and productive. The following list contains the top useful websites to enable you to get organized, develop new skills,…

Computer security

HOW TO USE THE NETSTAT COMMAND AND TROUBLESHOOT WINDOWS.

Netstat is derived from the words network and statistics it is a program that is controlled via commands issued in the command line. It delivers basic statistics on all network activities and informs users on which ports and addresses the corresponding connections (TCP, UDP) are running and which ports are open for tasks. In 1983, netstat was first implemented into the Unix derivative…

Computer security

HOW TO INCREASE YOUR INSTAGRAM FOLLOWERS

To get more followers on Instagram do the following things: A.Create a custom or dedicated hashtag that includes your business name or a catchy phrase. B.Promote your dedicated hashtag on your other social profiles, on your website, and your email blast. C.Use industry-specific hashtags to ensure you gain a relevant following D.Get creative with your…

Computer security

BEST FREE AND PAID ONLINE ENCYCLOPEDIAS

Encyclopedias are resources that helps students and researchers to do their work without much difficulties,project papers,seminars,workshops books are compiled and published with the information gathered from online and offline encyclopedias.The following are the list of online encyclopedias. Wikipedia Wikipedia is one of the most popular sites in the world, but it is not without problems….