Top 4 Best Practices for Network Security Testing

Network Security Testing
Written by Usdng

To preserve the integrity, confidentiality, and accessibility of the computer systems in the network, network security testing is the technique of defending the network and data. It uses both hardware and software-based technologies and encompasses a wide range of products, systems, and procedures. Comprehensive network security testing is necessary for every organization, regardless of the sector to which it belongs or the size of its infrastructure, to safeguard it from the different cyber threats that are currently being experienced in the wild.

What Is the Purpose of Network Security Testing?

The goal of testing a security network is to identify internal and external security risks, determine their threat level, calculate the cost of inaction (what would happen if the organization did nothing), and determine the most appropriate course of action to improve the security system. Similarly, Improving one’s security can also involve overhauling the organization’s security policies and procedures, which influences how each team member approaches security and complies with industry-specific mandates.

Why Is It Vital To Test Network Security?

Organizations may stay up to date on the newest vulnerabilities and threats by doing network security testing. Organizations can assess their present security posture and create a plan for the next level of network security with the aid of an audited network. Further, it is not a one-time project, network security is indeed a continual process.

Network Security Testing refers to identifying flaws and vulnerabilities in the security system of an organization and implementing remedies to help improve those security measures and meet compliance mandates. A review of every network and system infrastructure that is accessible via the internet is part of this testing.

  • Left-Shift Security Testing 

Organizations integrate security practices early in the development process, which involves greater cooperation between development, security, and operations teams. The continuous integration / continuous delivery (CI/CD) cycle frequently incorporates security testing technologies.
It can also help testers find security issues early before the software goes into production.

  • Test internal interfaces as well as UIs and APIs

    Security testing commonly focuses on external threats, such as user inputs from publicly available web forms. However, it is increasingly common for attackers to exploit weaknesses in internal systems. This moves your organization closer to a zero trust security model.

  • Streamline and Automate Test Often

    While it is important to perform manual security testing, such as full penetration tests or security audits, organizations must automate network security testing and perform it frequently—preferably with every change to applications or computing infrastructure.

  • Third-Party Components and Open Source Security

    Organizations must adopt security testing for third-party code used in their applications, especially open source components.

    Guidelines To Test Network Security

    Network testing comprises checking for weaknesses or threats in servers, network hardware, and DNS.

    1. The most important parts should undergo testing first: Areas that are open to the public are regarded as essential in the case of security.
    2. Knowledge of Security Policies: Testers need to be knowledgeable about the security protocol or policy that is used.
    3. Tool selection: Carefully choose the tool that has the features needed for your testing from among the many options accessible.

Different Techniques for Performing Network Security Testing

There are five different methods for performing network security testing:-

1. Network Scanning

A powerful tool for scanning a network and learning about it is the network scanner. Network planning is the process of deciding the topology and capacity of a network. Network planning can achieve the business return on investment (ROI) by enabling high-performance networks and communications applications.

2. Vulnerability Analysis

A network security procedure called vulnerability scanning finds and examines weaknesses in systems and informs administrators of the findings. Vulnerability is the inability to resist a hazard or to respond when a disaster has occurred. It can be useful in determining a network’s security state.

Vulnerability scanners were already around for a long time. For this purpose, they have become increasingly effective through the use of advanced technologies like fuzzing, therefore they are now seen as a crucial tool in assisting with regulatory compliance.

3. Ethical Hacking

Ethical hacking involves an authorized attempt to gain unauthorized access to a computer system, application, or data. Carrying out an ethical hack involves duplicating the strategies and actions of malicious attackers. However, Finding security flaws before a malevolent hacker does is the goal of ethical hacking.

4. Password Exploitation

There are two categories of password cracking:

Dictionary Attack: This technique employs a dictionary (a set of words) to decipher passwords.  In order to determine the password that matches, the computer matches the user-provided password to the word list.

Brute Force Attack: A computer program is used in this technique to break passwords. However, the program tries every conceivable character combination until it discovers the right password. A brute force strike takes a long time to complete.

5. Penetrating Analysis

Utilizing a realistic assault simulation on a system or network, penetration testing assesses computer security.

However, vulnerability analysis and compliance audits, and penetration testing focus primarily on finding and exploiting potential security flaws in a given target. Those that are more passive assessments include compliance auditing and vulnerability detection.

Top 5 Tools for Testing Network Security

Let us now have a look at the list of top tools that can be used for network security testing:-

It is definitely the greatest tool for network sniffing. It has a huge amount of protocol dissectors, allowing it to identify and break down a variety of various types of network traffic. Similarly, To identify packets of interest, the Wireshark GUI identifies every field of a network packet and includes built-in traffic coloring, filtering, and connection following.

It is far more than simply a beautiful packet dissector behind the hood. This makes it extremely useful for pen testing, as it enables testers to quickly and readily extract key features out of a network traffic collection. But, however, on the other hand, it helps the tester to quickly extract it.

Portswigger developed Burp Suite, a set of website security testing tools. Burp Proxy, a web proxy, is probably the most well-known of Burp Suite technologies.

Burp Proxy allows a penetration tester to undertake a man-in-the-middle (MitM) assault by placing themselves between a server and a client (their own or someone else’s). This allows them to inspect, allowing them to find security flaws or data leakages in online applications.

The sole commercialized tool on this listing is Nessus. Tenable offers it under several different licensing arrangements.

Because of its huge collection of vulnerability signatures, Nessus is the most used vulnerability scanner. A Nessus assessment will investigate the target computer, as well as further data for attack and remediation. There are many reasons to investigate regularly. Above all, it keeps you secure. These assessments provide a list of probable attack routes for getting access to a specific network or system to a penetration tester. There are many reasons to use it regularly. Above all, it keeps you secure.

Metasploit comes in both an open-source and a paid Pro edition for developers and security experts. Rapid7’s network security tool allows users to scan for over 1,500 processes, including network segmentation security. However, It also allows enterprises to do various safety audits, therefore, increasing overall network security, and making them more comprehensive and sensitive. I am not fond of testing. However, I do like testing.

It is among the most effective freely available networking research tools on the market. The acronym Argus refers to the Audit Record Generation and Utilization System. As the acronym suggests, the software does accurate, in-depth network analysis of data with speedy, detailed reporting over huge networks.


In Conclusion, Network security testing aims to anticipate and withstand attacks and recover quickly from security events. Testers at QASource use best practices for integrating security testing seamlessly. Visit QASource now to implement the top-notch network security software testing services for your software products.