What Is The Importance of Security Testing For Web And Mobile Apps

What Is The Importance Of Security Testing For Web And Mobile Apps

We live in the Smart Age now, with many of our everyday activities being performed for us by many ‘smart’ devices. This covers everything from simple tasks like adding two numbers, all of the way to clicking on pictures of a black hole to find out more about it.

The worldwide web is a new universe, where there are tons of opportunities to research, learn, grow, and manage our lives better. Since much of what we do today is done by an app, the security of those apps is quite important.

The Internet has empowered users to execute nearly all their tasks (related to business, finance, trade, shopping, growth, domestic actions, etc) online. So along with sites, virtually all companies today also have their very own mobile apps.

These mobile programs and sites are extremely efficient, save some time and Create our everyday tasks easier, make sure it turning the AC on or transferring funds out of our bank account with just a simple touch on our smartphone. But with a lot of private information being shared on the internet, there are huge risks involved and legal concerns about data protection.

On account of the criticality of the information being transferred, The safety of those online transactions is more vital than ever before — not only to the end consumers but also to most of the companies catering to them. This in turn has established a huge need and requirement for security testing for Web and mobile apps.

Apps can be categorized as follows:

Web apps

These are constructed in pure HTML and served via a browser.

Native apps

These apps are built for a specific OS or a platform that ignites that OS’s features.

Hybrid apps

These apps, though installable and look native, act like Web programs and make use of both native and Web app features.

Security testing

It helps Uncover various threats that may lead to malicious attacks from intruders seeking to hamper the regular working of the program by stealing data, causing social media data leaks, or holding the machine hostage by the use of ransomware. Thus, this testing aids programmers find vulnerabilities, and offers a robust solution in the code, preventing such attacks.

The key focus areas for security testing


That is all about disclosing Information only to a specific group. This helps set limits in terms of access to data to a restricted group, with permissions. An individual has to test this area to ensure that the designated individual receives the information and that access is restricted to those authorized to look at the data in question.

Instance: Your lender documents — you don’t expect these to be available to the general public. They need to be kept safe and protected, just that you get.


This pertains to protecting information From being altered by unauthorized parties. It ensures that the information offered by the machine is always correct. There are certain algorithms and encryption techniques that permit us to keep data from being tampered with.

Example: Picture You’ve printed a post under your name on a website and someone maliciously alters the title to give credit to somebody else.


That is about confirming the identity of the person seeking to access the machine. This procedure ensures that the individual is actually who he or she claims to be. This is done before providing the requested info

Example: Granting access based on the use of the answering of a safety issue.


This determines if the person seeking to gain access is allowed to get the data being searched.

Example: Access control or a function manager helps achieve this.


This is to ensure that the system is up all the time along the requested information is readily available.

Example: A traditional example is a DoS (Denial of Service) attack.


That is a means of acknowledging The information move was completed, i.e., those making the request, received the information successfully, and that they cannot deny not having received it, after.

Example: A few very frequent examples would be the read receipts on email or even those dual ticks on WhatsApp.

How to get a security testing mindset

First, you need to identify your target area of assault. Next, collect Advice about what and how things work in that area. Describe the entry point for your attack. Plan nicely on the best way to reach the endpoint and hack the system for the targeted information. Subsequently attack as a hacker.

Steal the target details. And when you have cracked the security of the system, report this and allow the developers to repair it. And while they’re fixing things, plan the next attack!

Various types of attacks

For Web applications, the typical attacks that can happen (and should be safety examined ) are listed below.

URL manipulation

Whenever you can find HTTP calls, the Testers must confirm if they’re in a position to change the query string parameters and then control the information. A hacker shouldn’t be able to fool around with the data being hauled to the server, so this risk needs to be fixed.

To fix this, one can implement encryption, wherein prior to the HTTP Request, the information gets encrypted and is no more legible to the hackers.

SQL injection

Entering some special character (largely’) in almost any textbox ought to be rejected by the program.

If the tester encounters a database error, it usually means that the user input was inserted into a certain query, which is then executed by an application. In this scenario, the application is vulnerable to SQL injection. The hacker could execute scripts directly into the database and then expose info.

To avoid this flaw, programmers must handle exceptional characters from user inputs by validation or by escaping them.

Ways Programmers can Handle such attacks

Filter input arrival at the point at which the user input has been obtained, and affirm as strictly as you can according to what the input signal is.

Encode information on output.

To stop XSS from HTTP responses that are not meant to include any HTML or JavaScript, you may use the Content-Type and X-Content-Type-Options headers.

Content safety Policy

As a final line of defense, you may use a content protection policy (CSP) to decrease the severity of any XSS vulnerabilities that nevertheless happen.

Password cracking

Though recorded last, the most elementary security evaluation to kick-off is that. Testers can begin by guessing user names and passwords or use specific open source tools and frequent password lists to obtain access to the machine.

To look after this, there should be rules about getting strong passwords, such as imposing the usage of alpha-numeric and emblematic characters. Go a step farther and do not accept passwords using the first or last name of the consumer, etc.

We must also guarantee that if we’re saving login information in cookies or sessions, it has to be saved in an encrypted format.

Mobile app safety testing

Given below are the commonly encountered dangers which need to be dealt with directly from the beginning.

Improper platform use

Including the manipulation of their telephone’s features or OS, by asking for and obtaining program permissions to get a gallery, contacts, etc, when there is actually no demand for such advice to be shared.

Superfluous info storage

That really is all about saving unwanted information in the program.

Exposed authentication

This identifies instances of failing to recognize the consumer or to keep the user session.

Insecure communicating

That is all about failing to maintain the Right SSL session.

Malicious third-party code

This pertains to composing third-party code which isn’t required or not eliminating unnecessary code.

Struggling to use server-side controls

The machine should authorize what information has to be shown from the program.

Lack of information security in transit

This identifies the failure to encrypt the information when sending or accessing it through internet services.

Kinds of security testing

Safety scanning

This entails identifying system and network flaws and maybe achieved both manually and in an automatic way.

It involves analyzing a specific system to discover potential vulnerabilities to hacking efforts.

Also read: How Can Open Source Technologies Add Security To IoT

Risk evaluation

This testing entails an investigation of the safety risks observed by the organization. Hazards are categorized as either low, moderate or large. This testing urges measures and controls to reduce risks.

Safety auditing

That can be an internal review of software and operating systems, seeking security defects. An audit may also be performed via a line-by-line review of code.

Ethical hacking

This entails hacking on an organization’s applications methods to expose security flaws within the system.

Posture evaluation

This combines safety scans, ethical hacking, and hazard evaluations to demonstrate the overall security position of an organization.

Security testing tools

There are quite a few safety testing tools on the marketplace; a few of the most well-known ones are given below.

  1. Burp (community variant ): The Burp package is a Java-based Web penetration testing frame.
  2. Arachni: this may be used to check invalidated redirects, local and remote file inclusion, SQL injection, XSS shot, etc
  3. IronWasp: This may discover over 25 kinds of Web application vulnerabilities. Furthermore, it may also detect false positives and false negatives. It will help identify broken authentication, cross-site scripting, CSRF, concealed parameters, privilege escalation, etc
  4. SonarQube: Along with exposing vulnerabilities, it’s utilized to assess the source code caliber of an Internet program. Despite being written in Java, SonarQube can perform evaluations of over 20 programming languages. It tackles cross-site scripting, Denial of Service (DoS) attacks, HTTP response splitting, memory corruption, SQL injection, finds tricky problems, DevOps integration, sets up the evaluation of pull requests, supports quality monitoring of both short-lived and long-lived code divisions, visualizes the background of a job, etc.
  5. Wfuzz: That is popularly used for brute-forcing Web programs, in addition to such as LDAP injection, SQL injection, XSS injection, etc.
  6. Zed Attack Proxy (ZAP): ZAP is employed for discovering lots of security vulnerabilities at an internet program during the development in addition to testing periods. It simplifies application malfunction disclosure, overlooking anti-CSRF tokens and safety headers, personal IP disclosure, session IDs at URL rewrite, SQL injection, and XSS injection.
  7. Kali: The Kali Linux penetration testing platform includes a huge variety of utilities and tools, from data gathering to final coverage, which empowers safety and IT professionals to rate the safety of their programs.
Written by
Barrett S

Barrett S is Sr. content manager of The Tech Trend. He is interested in the ways in which tech innovations can and will affect daily life. He loved to read books, magazines and music.

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