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Latest online learning materials with easy-to-understand examples in various subjects.

IDS and IPS for Security

What Are Intrusion Detection and Intrusion Prevention? It is the process of examining and monitoring the events that are coming and going through your network and analyzing and detecting all the potential violations of policies, incidents threats of your network. […]


    Firewalls are both software programs as well as hardware components that preserve our security and maintain safety from unauthorized access to or from the external network. They act as a vital part of a comprehensive security framework for any network.

      Network Protocols and Its Security

      Network security is one of the essential branches of cybersecurity and protocols plays a vital role in securing the network. In this chapter, you will learn about the most prominent network security protocols and their uses.

        Ports and Its Security

        Ports are another important asset through which security can be breached. In this chapter, you will learn about the different measures that you need to take to protect your system through the use of ports.

        • Understanding Logical Ports.
        • Security of Logical Ports.
        • Risky Ports and Their Attacks.

        OSI Security Layers and Their Significance

        With the development of technology comes the high profile hacking techniques. For this reason, security professionals are in massive demand. But for this, security professionals and analysts have to understand the fundamentals of how network layers work and what are […]

          Physical Security

          Physical Penetration testing is the new branch of cybersecurity where the physical security is measured, and its existing strength in an organization, firm or lab is measured, and weaknesses are uncovered before cybercriminals do these exploitations.

            Social Engineering and its Security

            Majority of the successful breaches and sensitive data stealing involves the social engineering attack, which is commonly known as people hacking. So, if you ask any IT Security person about physical security, he or she will probably start talking about […]

              Terminologies for Securing a System

              Before getting into the very in depth of every concept, it is recommended to clear the concepts and terminologies that are related to cybersecurity and cybercrime. It is because each of the terms has individual meaning and used on different scenarios in this field of security.

                Elements of Security

                In general, the form of computer security, we can understand that it is all about detecting and preventing the system from external agents who somehow want to harm our system or information residing within that system. So there are specific […]

                  Cyber Security

                  Cybersecurity is all about reducing threats when people are in a process to deal with technology where it encompasses the full range of protection against any online risk or vulnerability which comprises of information security assurance and cyber law enforcement as well.

                    Database Security

                    Database security is the technique that protects and secures the database against intentional or accidental threats.

                    • What is Database Security?
                    • What is a Threat?
                    • Backup and Recovery.

                    Scheduling Algorithms of Operating System

                    CPU scheduling treats with the issues of deciding which of the processes in the ready queue needs to be allocated to the CPU. There are several different CPU scheduling algorithms used nowadays within an operating system. In this tutorial, you will get to know about some of them.

                      JavaScript Comments

                      In this chapter, you will learn about two different types of comments that the JavaScript programmer allows to use.

                      • Single-line Comments
                      • Block Comments.

                      JavaScript async Attribute

                      HTML5 bring the async attribute for <script> elements. The async attribute is alike to defer (which you have read earlier) in that it transforms the way a script is processed. Further similar to defer attribute, async applies only to external […]

                        History of JavaScript

                        To begin down the path to using JavaScript well, it is essential to know its nature, history, and limitations. This chapter contains complete information about the history of JavaScript.

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