Security Testing Services for Businesses – Importance and Types

Security Testing Services for Businesses – Importance and Types

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Security testing services are a set of testing techniques that organizations conduct to secure their applications and networks. It is mainly used to secure sensitive data from unauthorized access. Organizations must fulfill all their security measures before they deploy their apps to the market. Otherwise, the users will look for more secure apps.

With 97 cybercrimes happening every hour, organizations must run tests that make their apps secure and reliable for users. Security testing services detect the loopholes that hackers use to exploit the apps. As a result, you can fix those security issues and create a superior app to your competitors.

Since it is inevitable to run security tests on your apps and networks, in this blog, we are going to discuss more of them. You will also know the different types of security tests, and which cybersecurity company you should choose.

Why Businesses Turn to Security Testing Services

Businesses turn to security testing services mainly to protect their digital assets and sensitive data and maintain trust with customers. Security testing helps detect vulnerabilities and security flaws in applications, networks, and systems before hackers get hold of them.

By proactively addressing these security issues, businesses can prevent data breaches financial loss and reputational damage.

With technological breakthroughs, hackers are getting advanced. They are continuously adapting to the changes and are always a step ahead of recent inventions. Despite cybersecurity advances, hackers continue to develop new strategies to breach systems. This is why businesses need to implement stronger and continuous security measures to protect their assets.

Moreover, security testing services also help businesses comply with industry standards and show their dedication to customers and stakeholders in terms of security.

Benefits of Security Testing Services

By performing security testing, businesses can reduce the risk of cyberattacks, data breaches, and compliance issues. Here are the many benefits of implementing security testing services:

6 Benefits of Security Testing Services

1. Detect Vulnerabilities Early

Developers can find bugs early by adding security testing during the software development life cycle (SDLC). This early detection prevents these mistakes from turning into serious security issues down the road and saves a lot of revenue.

2. Protect from Attacks

Security testing services reduce the risk of attacks by identifying all the errors during the testing process. Businesses must secure their applications, especially if they store user’s data or carry out financial transactions.

3. Meet Compliance Needs

Many industries have regulation standards that require businesses to maintain a certain level of security. For example, HIPAA, PCI DSS, SOC 2, ISO 27001, and GDPR. When a business fails to meet these standards, it may lead to legal penalties and fines. Security testing services help businesses meet these standards and regulations.

4. Save Cost

Conducting security testing saves a lot of money in the long run. Security testing costs much less than recovering from a cyberattack. By identifying and fixing security issues early on, businesses avoid the huge financial losses that come with data breaches or system hacks.

5. Increase Demand for your Software

If your software or applications is free from security flaws, it generates the user’s attention automatically. A secure system gains user’s trust and increases its demand. Ratings and reviews will be great, and it will boost the popularity of the software.

6. Boost Business Growth

Good Quality drives traffic, traffic drives revenue, and revenue supports overall business growth. Users expect one thing most from your software i.e. data privacy. If you prove the user data is safe, people will automatically incline towards you. As a result, more people mean better ROI.

Types & Techniques of Security Testing Services

While there are different types of security testing services, they all work for the same cause i.e. protecting software programs from internal and external threats. In 2023 alone, the United States faced 3,205 data breach cases where 353 million individuals were affected. Therefore, security testing should be a priority for every organization.

Types of Security Testing Services

1. Vulnerability Scanning

Vulnerability scanning uses automated tools to scan applications and networks to find potential vulnerabilities, such as outdated software or misconfiguration settings. It is usually performed to ensure that security measures are in place to address the vulnerabilities.

Vulnerability scanning can be further categorized based on the scope of the scan:

    • External Vulnerability Scan: It helps identify vulnerabilities that attackers could exploit from outside of the organization, such as hackers.
    • Internal Vulnerability Scan: It helps identify vulnerabilities that can be potentially exploited by those who already have internal access, such as employees.
    • Non-Intrusive Vulnerability Scan: Also known as passive scanning. It involves scanning a system’s security without interacting. This type of scan observes network traffic, analyzes configurations, and examines publicly available information to find potential vulnerabilities.
    • Intrusive Vulnerability Scan: On the other hand, an intrusive vulnerability scan actively interacts with the target system to find vulnerabilities. This may include exploiting vulnerabilities through real-world attack scenarios.

    2. Penetration Testing

    Penetration Testing (or Pentesting) is a type of security testing service that simulates real-world attacks on software to find and exploit potential vulnerabilities. It is typically performed manually by cybersecurity professionals or ethical hackers. It also helps meet the requirements of the Payment Card Industry Data Security Standard (PCI-DSS).

    The purpose of penetration testing is not only to see whether vulnerabilities exist within the system but also to determine their level of impact. Therefore, a penetration tester should reveal all the potential security risks and offer remediation strategies.

    One of the main differences between vulnerability scanning and penetration testing is that a vulnerability scan is primarily automated, while a penetration test is done manually by cybersecurity professionals. However, in most cases, both these security testing methods are combined to get a more comprehensive result.

    Penetration Testing Process

    3. Source Code Review

    Source code review is a critical part of software development that aims to identify and rectify vulnerabilities present in an application’s source code. This proactive method helps ensure that the developers build applications with proper security and without bugs. As a result, it helps reduce the risk of unauthorized access and data breaches.

    During a source code review, a skilled security analyst or developer examines the source code line by line to find potential security gaps, coding errors, and vulnerabilities that could be exploited by hackers.

    Source code review should be integrated into the software development lifecycle (SDLC) and conducted regularly. It should be tailored to the specific coding structure and technology stack of the application.

    4. Security Audit

    A security audit is a comprehensive review of an organization’s digital assets and IT environment to ensure all the security policies are in place. Usually, security audits are done to meet compliance needs such as the PCI DSS. The primary goal of a security audit is to find and eliminate security flaws that could lead to cyberattacks.

    A Cybersecurity Audit covers the following aspects:

      • Data Security: This type of audit assesses the security of sensitive data. It includes a complete review of network access control, encryption, and data protection.
      • Operational Security: This includes a complete assessment of all security policies, processes, and controls in data prevention strategy.
      • Network Security: Here the auditors review all the network security protocols, such as anti-virus configurations and security monitoring capabilities.
      • System Security: It involves checking the patching processes, role-based access, privileged account management, etc.
      • Physical Security: It includes reviewing the security state of all physical devices that access your network. For example, biometric data, disk encryption, role-based access controls, and multi-factor authentication.

      5. Dynamic Application Security Testing (DAST)

      Dynamic application security testing (DAST) is the process of identifying vulnerabilities in a web application after it has been deployed. It involves both automated vulnerability scanning and manual penetration testing methods.

      It is a black box security testing service, where the tester has no access or information about the application’s code or infrastructure. They test the application for common vulnerabilities that could lead to security risks such as broken authentication, lack of encryption, etc.

      Businesses implement DAST as:

        • It provides accurate vulnerability reports while the app is in use
        • It helps developers by giving clear steps to fix problems
        • It makes it simple to integrate security testing into the SDLC
        • It enhances the DevSecOps practices
        • It protects applications and their code from potential threats 

        Want to see a Real DAST Report? Here’s your chance! Just click the link below and download one right now!

        Latest Penetration Testing Report


        6. Security Posture Assessment

        A security posture assessment is a method that analyses the current state of the organization’s security controls. This type of testing can help detect existing risk areas and recommend strategies that will improve the overall security of crucial assets.

        It is usually done by combining different security testing services, including vulnerability scanning and penetration testing. It is typically conducted by third-party security firms who present the results of the tests in a report.

        You should consider a security posture assessment:

          • When you want a complete overview of your current security control
          • When you want to implement mandatory cybersecurity measures
          • When you need a detailed vulnerability analysis
          • When your company has an inadequate cyber defense
          • When you are adding new things or changing your tech setup in an ongoing project

          Choose Qualysec as Your Security Testing Company

          Qualysec Technologies is a leading penetration testing company that offers comprehensive security testing solutions. We are one of those rare security companies that follows process-based pen testing, instead of traditional pentesting.

          Whether you want to protect your sensitive data or want to implement robust security measures, we will deliver solutions tailored to your specific needs.

          Some of the top organizations in the world that have chosen us are:

            • Konica Minolta: A Fortune 500 company
            • OneShield: USA’s top insure-tech company
            • Cloud Bolt: A leading cloud management vendor in the USA
            • Attentive: USA’s top AI marketing company
            • WeGuide: A USA-based, leading digital health company

            Do you want to secure your business from evolving cyber threats? We at Qualysec follow a hybrid security testing method combining automated vulnerability scanning and manual penetration testing. Secure your data, comply with industry regulations, and build trust with your customers, by choosing us as your partner. Contact us now!


            Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business.



            Web applications, mobile applications networks, APIs, and the cloud, are all at risk from cyber attackers. Additionally, with the rise of AI and IoT technology, the threat landscape is rapidly increasing, with new types of attacks happening daily. This is why businesses are going for security testing services, as they discover vulnerabilities that could be used by these attackers.

            Despite there being so many options for security testing, their main goal remains the same – securing software from security risks. You just have to assess what your priority assets are and go with the relevant options. Besides, Qualysec is always there to provide top-notch vulnerability assessment and penetration testing (VAPT) services!


            Q: What are security testing services?

            A: Security testing services are conducted to identify and address security vulnerabilities in software applications. It helps ensure that the software is secure from unauthorized access, data breaches, and cyberattacks.

            Q: Which tool is used for security testing?

            A: Security testing methods like vulnerability scanning use automated tools to perform tests. For example:

              • OWASP ZAP
              • Nmap
              • Netsparker
              • Pacu
              • Burp Suite
              • Metasploit
              • Wireshark 

              Q: Who performs security testing?

              A: While you can appoint in-house security teams to conduct all your security testing processes, it can be a huge investment. Typically, security testing is performed by third-party security firms that have skilled and certified cybersecurity professionals.

              Q: What is API security testing?

              A: API security testing helps identify vulnerabilities that pose security risks to the organization. It is conducted by security professionals and the results are given to the developers to fix the security gaps in APIs.

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