As the advancements of technology continue to grow rapidly in our contemporary world, the development of new software products also presents a possible risk of cyber-attacks. The critical aspect of software development is the parallel need for security testing. The purpose of security testing is to identify potential security risks and vulnerabilities in software and to mitigate them in the long run.

Therefore, to ensure the security and reliability of software products in the face of ever-evolving cyber threats, it is crucial to conduct comprehensive security testing covering various types, tools, and best practices. This article will take you through the types, tools, and best practices of security testing, including penetration testing, vulnerability testing, popular tools, and essential practices. 

What is Security Testing?

Security testing is a type of software testing that identifies security issues and assesses ways to protect those vulnerabilities and threats in a software application. The idea is to withstand data breaches and cyber-attacks and ensure the software application is safe and secure. 

Importance of Security Testing

Hackers can exploit vulnerabilities that we may not even be aware of. Before we know it, they can gain unauthorized access to sensitive information such as passwords and other important information. This can have a detrimental impact on businesses, leading to loss of revenue and damage to their reputation. To prevent this from happening, you can proactively take measures by regularly conducting security testing that helps you identify your system’s weaknesses and help you avoid potential hackers from exploiting your confidential information.

Benefits of Security Testing 

  • When you conduct security testing during the software development stage, you can cut costs by finding and fixing bugs early before they become a serious problem.

  • Fixing bugs during development helps you have trustworthy, high-quality software products that people can rely on. 

  • By identifying errors in the testing process, the risk of external attacks is also minimized through security testing.  

  • You can decrease the fundamental risks associated with your business by having a solid security testing process in place because it ensures end users’ data privacy. 

  • Lastly, a secure and high-quality software product can increase demand, user trust, and positive reviews, leading to overall business growth and revenue.

Types of Security Testing and Methodologies

Testers can use several types of security testing to keep networks and systems safe from cyber threats. 

Vulnerability scanning  

It is a process that helps businesses identify known security weaknesses and vulnerabilities in their systems. The process typically relies on automated tools, but it can also incorporate manual techniques. The main goal of vulnerability scanning is to create a foundation to understand an organization’s security risks. We have external vulnerability scans that look for weaknesses in parts of a network that people can access from the internet and Internal vulnerability scan that checks for vulnerabilities in areas of a network used only by the company.

Security Scanning

This is the next step, an essential step in finding the weaknesses in a company’s network and system. Once the defects are found, the security team will suggest ways to fix them to lower the risks of cyber attacks. These solutions could be anything from quick updates to more complicated changes to how the network is set up. It’s crucial to do regular security scanning to make sure the company’s computer systems and network are safe from cyber-attacks.

Penetration Testing

This is another type of security testing designed to simulate a hacker’s tactics to see how easily they can break into a system.
This testing can help security scanning detect potential vulnerabilities that may have gone unnoticed.

Risk Assessment

This testing examines security risks in a company, categorizing them as low, medium, or high, and then provides recommendations for reducing those risks. It’s essential to regularly check for new ways that hackers can try to break into computer systems. When new methods are discovered, the security team will recommend ways to protect against those attacks. 

Security Audit

This is a way to check for security problems in a company’s computer programs and systems, done internally. This type of audit often involves examining the code of these programs, line by line, to find any vulnerabilities that attackers could exploit. So, regular internal security auditing is crucial to maintain the company’s integrity. 

Ethical Hacking

Someone breaks into a company’s software system to find security holes, not for personal gain. The goal is to bring these flaws to the organization’s attention so they can be fixed rather than used for personal gain, as malicious hackers do. Ethical hacking uses different testing methods to expose the vulnerabilities so the company can fix them before an attack happens. 

Posture Assessment

Conducted to assess a company’s overall security. This involves combining techniques like security scanning, ethical hacking, and risk assessment. The goal is to evaluate the company’s security posture and identify potential vulnerabilities attackers could exploit. 

To ensure security, encrypt passwords and limit access to authorized users only. For web apps, check cookies and session duration, and prevent using the back button on financial websites to avoid exposing sensitive data.

Security Testing Tools 


Nmap is a tool for scanning networks to discover what devices are connected and what services they offer. It is free and easy to use and can help you quickly map out a network without needing to be an expert in networking. It can be used to help test the security of a network.


The Open Web Application Security Project (OWASP) focused on improving software security. It offers various tools for testing software environments and protocols to help identify and address security issues.


This is a tool that checks for vulnerabilities in computer systems. It can test different security protocols and is customizable to fit different needs. It is also powerful enough to conduct large-scale scans, making it a helpful tool for security professionals.


It’s a free tool that checks if your website is secure. It can find things like SQL Injection, Cross-Site Scripting (XSS), and sensitive information accidentally made public. It works on computers running Linux, OS X, or Windows and is easy to use because it has a graphical Interface. Whether creating websites or keeping them safe, Vega can help you do it better.


A tool that can scan your servers, websites, and devices to identify security issues such as missing updates or weak encryption. It can help protect your systems from hackers by finding vulnerabilities like SQL injection, cross-site scripting, and remote code execution flaws. With Intruder, you can quickly identify and fix these problems before cybercriminals exploit them.


It’s a tool used to find and exploit SQL injection flaws. It can help detect vulnerabilities that can compromise databases using SQL, like MySQL, SQL Server, or Oracle. These attacks can compromise sensitive data, like customer information or trade secrets. SQLmap is open-source and can help keep your systems secure.


Snyk allows teams to find, prioritize, and fix security vulnerabilities in code, dependencies, containers, and infrastructure as code by integrating directly into development tools, workflows, and automation pipelines. By using Snyk for security and protection against cyber threats, you can easily keep your systems protected and keep your data safe.

Looking for The Best Security Test Experts to Partner With?

Security testing ensures the confidentiality of private information. Testing with this approach involves the tester acting as an intruder and examining the system for security weaknesses. As cyber threats continue to increase in complexity, safeguarding your software applications is more critical than ever. Contact us to learn more about how our dedicated team of experienced security experts provides the most reliable security testing services.