Tutorial Playlist

Cyber Security Tutorial: A Step-by-Step Guide


What is Cybersecurity?

Lesson - 1

Cyber Security for Beginners

Lesson - 2

How to Become a Cybersecurity Engineer?

Lesson - 3

What is Ethical Hacking?

Lesson - 4

What is Penetration Testing?: A Step-by-Step Guide

Lesson - 5

What Is SQL Injection: How to Prevent SQL Injection

Lesson - 6

How to Become an Ethical Hacker?

Lesson - 7

What Is a Firewall and Why Is It Vital?

Lesson - 8

The Complete Know-How on the

Lesson - 9

A Definitive Guide to Learn the SHA 256 Algorithm

Lesson - 10

What Is a Ransomware Attack and How Can You Prevent It?

Lesson - 11

A Look at the Top 5 Programming Languages for Hacking

Lesson - 12

The Most Informative Guide on What Is an IP Address?

Lesson - 13

The Best Ethical Hacking + Cybersecurity Books

Lesson - 14

10 Types of Cyber Attacks You Should Be Aware in 2022

Lesson - 15

The Top Computer Hacks of All Time

Lesson - 16

Top 6 Cyber Security Jobs in 2022

Lesson - 17

The Best Guide to The Top Cybersecurity Interview Questions

Lesson - 18

What Is a Brute Force Attack and How to Protect Our Data Against It?

Lesson - 19

The Top 8 Cybersecurity Skills You Must Have

Lesson - 20

Your Guide to Choose the Best Operating System Between Parrot OS vs. Kali Linux

Lesson - 21

All You Need to Know About Parrot Security OS

Lesson - 22

The Best and Easiest Way to Understand What Is a VPN

Lesson - 23

What Is NMap? A Comprehensive Tutorial for Network Mapping

Lesson - 24

What Is Google Dorking? Your Way to Becoming the Best Google Hacker

Lesson - 25

Your Best Guide to a Successful Cyber Security Career Path

Lesson - 26

The Value of Python in Ethical Hacking and a Password Cracking Tutorial

Lesson - 27

The Best Guide to Understand What Is TCP/IP Model?

Lesson - 28

What Are Keyloggers and Its Effect on Our Devices?

Lesson - 29

Best Guide to Understand the Importance of What Is Subnetting

Lesson - 30

Your Guide to What Is 5G and How It Works

Lesson - 31

How to Crack Passwords and Strengthen Your Credentials Against Brute-Force

Lesson - 32

A Look at ‘What Is Metasploitable’, a Hacker’s Playground Based on Ubuntu Virtual Machines

Lesson - 33

One-Stop Guide to Understanding What Is Distance Vector Routing?

Lesson - 34

Best Walkthrough for Understanding the Networking Commands

Lesson - 35

Best Guide to Understanding the Operation of Stop-and-Wait Protocol

Lesson - 36

The Best Guide to Understanding the Working and Importance of Go-Back-N ARQ Protocol

Lesson - 37

What Are Digital Signatures: A Thorough Guide Into Cryptographic Authentication

Lesson - 38

The Best Spotify Data Analysis Project You Need to Know

Lesson - 39

A One-Stop Solution Guide to Understand Data Structure and Algorithm Complexity

Lesson - 40

Your One-Stop Guide ‘On How Does the Internet Work?’

Lesson - 41

An Introduction to Circuit Switching and Packet Switching

Lesson - 42

One-Stop Guide to Understanding What Is Network Topology?

Lesson - 43

A Deep Dive Into Cross-Site Scripting and Its Significance

Lesson - 44

The Best Walkthrough on What Is DHCP and Its Working

Lesson - 45

A Complete Look at What a Proxy Is, Along With the Working of the Proxy Server

Lesson - 46

A Detailed Guide to Understanding What Identity and Access Management Is

Lesson - 47

The Best Guide to Understanding the Working and Effects of Sliding Window Protocol

Lesson - 48

The Best Guide That You’ll Ever Need to Understand Typescript and Express

Lesson - 49

Express REST API

Lesson - 50

All You Need to Know About Express JS Middleware

Lesson - 51

An Absolute Guide to Know Everything on Expressions in C

Lesson - 52

A Definitive Guide on How to Create a Strong Password

Lesson - 53

Ubuntu vs. Debian: A Look at Beginner Friendly Linux Distribution

Lesson - 54

Your One-Stop Guide to Learn Command Prompt Hacks

Lesson - 55

Best Walkthrough to Understand the Difference Between IPv4 and IPv6

Lesson - 56

What Is Kali NetHunter? A Deep Dive Into the Hackbox for Android

Lesson - 57

A Perfect Guide That Explains the Differences Between a Hub and a Switch

Lesson - 58

What Is Network Security? Benefits, Types of Tools To Protect Your Shared Network

Lesson - 59

What Is CIDR? And Its Importance in the Networking Domain

Lesson - 60

A Thorough Guide on Application Security: Benefits, Risks, and Protection Mechanisms

Lesson - 61
A Thorough Guide on Application Security: Benefits, Risks, and Protection Mechanisms

Security was traditionally an afterthought in software development. It is becoming increasingly crucial for all aspects of app development, from design to deployment and beyond. The number of programs produced, distributed, and patched across networks continuously increases.

Let's start by learning about application security from a grassroots level.

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What Is Application Security?

Application security, often known as AppSec, protects application software from external threats by utilizing security software, hardware, methodologies, best practices, and processes.

Organizations require application security technologies that safeguard all of their programs, from internal to popular external apps. These solutions must address the whole development cycle and provide testing after an application has been deployed to detect possible issues. Application security mechanisms must be capable of testing web apps for potential and exploitable vulnerabilities, analyzing code, and assisting in the administration of development and safety management processes. Application security testing solutions must be simple to use and install.

To be productive, professionals use a variety of software solutions, ranging from an online word checker to tablet-based creative tools. Backend software, of course, exists to automate essential operations and processes and decrease human labor. The increasing quantity and complexity of apps make it essential to incorporate a robust security system. The software security problem ten years ago was about securing desktop apps and static webpages that were relatively harmless and easy to scale and defend. Because of outsourced development, the number of legacy programs, and in-house development that uses third-party, open-source, commercialized, and off-the-shelf software modules, the software supply chain has become considerably more complex.

Now that we understand application security on a general level let us go through some of the different categories of application security. 

What Are the Different Types of Application Security?

There are three major types covered in this article: web application security, API security, and cloud-native application security.

  • Web-App Security: A web application is a program available through the Internet and operates on a web server. The client is accessed using a web browser. Applications, by definition, must allow connections from clients across unsecured networks. This exposes them to a variety of risks. Many online apps are mission-critical and include sensitive customer data, making them an attractive target for attackers and a top concern for any cyber security program.
  • API Security: APIs with security flaws are the root of major data breaches. They have the potential to reveal sensitive data and disrupt vital corporate processes. API security flaws include insufficient authentication, unintended data disclosure, and a failure to apply rate restriction, which allows API abuse. The requirement for API security, like the necessity for web application security, has led to the creation of sophisticated equipment that can discover API vulnerabilities and protect APIs in production.
  • Cloud-Native Security: Infrastructure and environments are often built up automatically in cloud-native apps depending on declarative configuration, known as infrastructure as code (IaC). The developers are tasked with developing declarative settings and application code, which should be secure. As everything is defined during the development stage, shifting left is even more critical in cloud native setups. Traditional testing techniques can help cloud-native apps, but they are insufficient. Dedicated cloud-native security solutions are required, capable of instrumenting vessels, container clusters, and serverless operations, reporting on security concerns, and providing developers with a quick feedback loop.

Now that we have covered the different types of application security, let us go through some of the most common vulnerabilities these frameworks face.

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Vulnerabilities of Application Security

  • Cryptographic Failure: When data is not adequately safeguarded in transit and at rest, cryptographic failures (formerly known as "sensitive data exposure") occur. It has the potential to reveal credentials, health information, credit card details, and personal information.
  • Injection Attacks: Threat actors can use injection vulnerabilities to convey malicious information to a web application interpreter. It has the potential to assemble and execute this data on the server. SQL injection is a popular type of injection, which we already covered in our introduction for this video.
  • Outdated Components: Vulnerable and out-of-date components (formerly known as "using components with known vulnerabilities") encompass any vulnerability caused by obsolete or unsupported software. It can happen if you develop or use an application without learning about its core components and versions.
  • Authentication Failure: Identification and authentication failures (formerly known as "broken authentication") encompass any security issue involving user identities. Identity attacks and exploitation may be avoided by implementing secure session administration, authentication, and validation for all identities.

In the next section, let us cover some of the protection mechanisms employed by cybersecurity firms and third-party automated software to protect the application layer from being bombarded with SQL Injection and other attacks.

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Protection Against Application Security Vulnerabilities

  • Web-Application Firewall: A web application firewall (WAF) monitors and filters HTTP traffic between a web application and the World Wide Web. WAF architecture does not address all risks, but it may be used with a portfolio of security solutions to provide a comprehensive defense against diverse attack routes. WAF is a protocol layer seven protection in the open systems interconnection (OSI) paradigm that helps defend online applications against attacks such as cross-site scripting (XSS), cross-site fraud, SQL injection, and file inclusion.
  • Threat Assessment: A list of sensitive assets will help you understand the threat to your firm. Consider how a hacker can infiltrate an application, if existing security protections are in place, and whether additional tools or defense capabilities are required. Keep your security expectations in check. Nothing is indecipherable, even with the most rigorous security measures.
  • Privilege Management: Limiting privileges is vital for mission-critical and sensitive systems. The Least Privilege principle states that access to programs and data should be limited to those who require them. Hackers may compromise less privileged accounts and ensure they do not acquire access to susceptible systems.
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This tutorial on application security covered the basics of application security, its risks, and protection mechanisms. We also learned about the different application security types and some of the vulnerabilities faced by today’s systems.

Simplilearn offers a Cyber Security Expert Certification covering all the basics of cybersecurity and complex topics like ethical hacking and cloud security. It features individual CISSP and CompTIA Security+ courses to provide a well-rounded lesson on all things cyber security. With separate certificates for each course, completing this program assures you of a solid foundation as you enter the field of cybersecurity as a beginner.

Do you have any doubts about application security? Please let us know your queries in the comment box below, and we will get back to you as soon as possible.

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Simplilearn is one of the world’s leading providers of online training for Digital Marketing, Cloud Computing, Project Management, Data Science, IT, Software Development, and many other emerging technologies.

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