Security Audit

A Deep Dive into Different Types of Penetration Testing

Published on: October 18, 2021

A Deep Dive into Different Types of Penetration Testing

The internet has been around for a good few decades now, and with technology advancing at a pace, a lot has changed in a short space of time. The internet was once a place with a few websites and many chat rooms, but now it is a part of daily life and a more significant part of the economy. Nowadays, the internet is used for many different things, from banking to complex blockchain apps. With this growing technology, the need to keep them secure is also increasing, and this is where the lack of Penetration Testing comes in.

Introduction

Penetration testing is the process of using several techniques and methodologies to evaluate the security of an application, network or computer system, or any IT asset. Penetration testing is used to test the resilience and resistance to standard and advanced attacks. It helps reveal all possible vulnerabilities and loopholes that a hacker can exploit.

Even the tech giants such as Microsoft, Zoom, Twitter recently faced data breaches. The data breaches are not limited to web applications but include mobile apps, blockchain apps, and cloud apps. No technology is secure from hackers or cybercriminals. The need to secure different types of applications is at its peak.

Why is Penetration Testing necessary?

These days, everyone needs to be worried about cybersecurity. Just about anyone can be hacked, and there are many cybersecurity threats. Unlike traditional threats, like natural disasters, you can’t predict when you might be hacked. So, it’s helpful to be prepared, which is why performing regular pentests is essential.

Let’s understand 4 common reasons why penetration testing is essential:

1. Uncover Security Risks

Penetration testing is a security evaluation technique used to identify vulnerabilities in a computer system, network, or web application. These identified vulnerabilities are patched before a hacker or cyber-criminals can find and exploit them.

2. Compliance and Regulations

These days, it’s almost impossible for businesses to avoid the acronym PCI. Not only is it a widely used acronym, but it also stands for something vital: Payment Card Industry Data Security Standard. Most compliances such as PCI DSS, SOC2 Type I, Type II have an essential requirement of performing a proper pentest.

3. Customer Trust

It is no longer enough to have a good business idea, a well-designed product, and a clear marketing strategy in the internet age. To survive in the market, a company must protect its customers and their data from cybercriminals who can use it to steal confidential information. 

4. Save the cost of a data breach

A minor Data Breach can cost millions of dollars, and this can only be prevented by keeping your infrastructure and your application secure by conducting regular pentests and awareness training.

Image: Penetration Testing Methodology

What are different types of approaches to perform a penetration test?

The penetration test is a fundamental good practice for checking the security of a system. If the penetration test is done correctly, the weaknesses of the system will be revealed. Penetration testers follow 3 different approaches to test the application mentioned below:

1. Black Box Testing

Black box testing is a method of evaluating the security of an application or system. The penetration tester has no information about the system, not even the operating system or application type. The tester must use the same tools and techniques that a hacker would use to attack the system. 

Black box penetration testing is the most challenging type of penetration test to perform. It requires a high level of skill and often accesses the same resources that the attacker would have available. Black box penetration testing is the best way to test the overall security of a system.

2. White Box Testing

White box pen testing is a method of penetration testing where the tester has complete knowledge of the source code and environment. White box testing is based on how the program works, not by exploiting any vulnerabilities in the code. 

White box testing focuses on understanding how the application works, then attempt to break into the application through knowledge of the source code. This is the opposite of black-box testing, where the tester does not access the source code.

3. Gray Box Testing

Gray Box testing is an approach to penetration testing. The tester has partial knowledge of the target environment in network diagrams, network documentation, or partial access to the internal network. The tester has limited but more than just outside the understanding of the target environment.

Gray box testing is typically done in the early stages of a program to assess what types of vulnerabilities could be present and how much information an attacker could potentially receive. 

3 Different Approaches of Penetration Testing
Image: 3 Different Approaches of Penetration Testing

What are the 6 significant types of penetration testing?

1. Network Penetration Testing

Network penetration testing is a security audit by which you check the security of a network if you want to know about the technical details of the security audit. 

In simple words, penetration testing, or network security testing, is a method of evaluating a computer network’s vulnerability to intrusion. This vulnerability could be a flaw in a computer system or a malicious attack from a hacker. A penetration test simulates an attack from a malicious hacker to determine the network’s vulnerabilities and determine if an actual attack would be successful. 

This type of testing aims to find holes in the system that outside parties could exploit. Network penetration testing is performed on the network infrastructure, also known as the backbone of the network.

2. Mobile Penetration Testing

Mobile Application Penetration Testing is a process of testing a mobile application for security vulnerabilities. The goal of penetration testing is to find weaknesses in mobile security and report them to the developers.

The scope of testing varies from functional testing to security testing. Penetration testing has evolved significantly as the number of mobile devices and users has grown. In this post, we will see the various forms of mobile application penetration testing.

Mobile application penetration testing is done to gain access to sensitive data or disrupt the functionality of the app. The aim of penetration testing is to provide credible evidence of vulnerabilities in the system.

3. Web Application Penetration Testing

Web application penetration testing is a process of figuring out the possibility of a hacker or a group of hackers gaining access to your web application. It is done to expose your web application’s vulnerabilities and prevent data breaches, identity theft, financial loss, and other negative consequences.

The penetration tester usually tries to break the web application by looking for vulnerabilities such as SQL injection, cross-site scripting, and cross-site request forgery. The tester then identifies the vulnerabilities and checks if they can be used to gain access to information or control of the web app.

Checkout Astra’s Web Application Penetration Testing Checklist

4. API Penetration Testing

An application programming interface (API) is a set of tools and standards that allow applications that can communicate with each other. APIs enable a developer to create a customized experience within a given app.

An API penetration test is a process of identifying vulnerabilities in an application programming interface (API). API penetration testing is a way of testing the attack surface of an application by simulating the actions of a malicious user

Checkout OWASP Top 10 security risks for APIs

5. Cloud Penetration Testing

Cloud penetration testing is a type of security testing that analyzes a cloud computing environment for vulnerabilities that hackers could exploit. Cloud penetration testing is a crucial component of a cloud security strategy because it can reveal potential weaknesses in cloud security controls. 

Penetration testing can be performed manually, by a human tester, or automatically by a security tool or a tool integrated with a CI/CD pipeline. Cloud penetration testing aims to identify vulnerabilities in the cloud infrastructure and determine the effectiveness of controls implemented to protect the infrastructure. 

6. Blockchain Penetration Testing

Blockchain is a distributed database that maintains a continuously growing list of ordered records called blocks. Each block contains a timestamp and a link to a previous block. Blockchain databases are spread across a network of computers.

Blockchain penetration testing assesses the security of a blockchain network, application, or smart contract. It’s the process of testing for known and unknown vulnerabilities in a blockchain network, application, or smart contract.

Blockchain penetration testing is used to determine whether the solution can withstand attacks that are performed to compromise the network’s security. Blockchain penetration testing aims to uncover vulnerabilities and security loopholes and identify misconfiguration errors in the solution.

Reading Guide: An Introduction to Blockchain Security

Types of Penetration Testing
Image: Types of Penetration Testing

4 things to consider while getting a penetration testing contract

A penetration testing contract is an agreement between the client and the penetration tester, who performs the penetration testing on the desired application or network. Penetration Testing is a sensitive process. When testing, there are many steps to take so that the actual product or application is not affected during this process.

Below mentioned are 4 things to keep in mind while getting a penetration testing contract:

1. Make sure you have a proper plan & scope

It’s essential to have a proper plan to perform penetration. This pentest plan is handed over to the team of penetration testers before conducting a pentest. The strategy usually includes what time the automation scanner is allowed, how much load testing is permitted, which all hosts can scan, etc.

2. Data security

There’s a high chance that you don’t want the penetration testers to look into the sensitive data of your customers or clients. A proper data security policy helps you with this. Data security policy contains information regarding sensitive data testing, how to test the databases, what to do if sensitive information is disclosed etc.

3. Vendor’s Reputation

When it comes to the services of a pen testing company, its reputation is of great importance. It is a guarantee of a successful result of a penetration test of a business. A good rating of a pen testing company guarantees high-quality services and professionalism in the field. The rating of a company can be easily checked online via various discussion forums.

4. Skilled and Trained Penetration Testers

The pen testers are an essential part of the pen test team. They are the ones who analyze the vulnerabilities, assess the risks, and carry out the attacks. The pen testers must have firsthand knowledge of the vulnerabilities being tested, so they must have the skills and expertise necessary to carry out the attacks. When selecting a pen test provider, it is beneficial to find a provider who hires trained and experienced pen testers.

Why Astra’s pentest suite is a perfect fit?

One of the best ways to conduct penetration testing is outsourcing this task to an experienced penetration testing company. Astra is a team of highly skilled security engineers whose only job is to keep your application secure from attackers. Astra Security offers different penetration testing services such as:

  • Cloud Penetration Testing ( AWS, GCP, and Azure )
  • Blockchain & Smart Contract Penetration Testing
  • Mobile Penetration Testing ( Android, iOS, and PWA )
  • Network Penetration Testing
  • Web Application Penetration Testing
  • API Security Testing

We at Astra understand how vital your and your customers’ data is. Astra’s automated scanners come with more than 2600+ tests which keep not only your but your customer’s or client’s data secure too.

Penetration Testing at Astra is not limited to automated Scanners; skilled and trained security professionals manually test applications to ensure no security risk is left untouched.

Astra's Vulnerability Scanner
Image: Astra’s Vulnerability Scanner

Check out features of these 3 tools from Astra to keep your company secure from hackers.

1. Malware Scanner

  • Automatic Malware Scans
  • File Difference Visualization
  • Automatic Malware Removal
  • Machine Learning Powered Engine
  • Automatic Malware Removal

2. Rock Solid Firewall

  • 24×7 Realtime Protection
  • IP and Country Blocking
  • Bad Bot Protection
  • Blocklist Monitoring
  • Suspicious Login Alerts
  • Honeypots

3. CMS Security Solutions

  • WordPress
  • Drupal
  • Joomla
  • Opencart
  • Prestashop

4. Security Audits

  • Collaborative Dashboard
  • Video & Selenium PoCs
  • Business Logic Analysis
  • Payment Hack Analysis
  • Server Infrastructure Testing
  • Active & Passive Analysis

Still not sure how to proceed? Get in touch with us and let us handle the rest.

Have any questions or suggestions? Feel free to talk to us anytime! 🙂

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Keshav Malik

Keshav is a hacker by heart. He loves playing with fire (code) and loves discovering bugs. Not only in web applications but in all kinds of software. His first introduction to the world of Cyber Security was through bug bounty programs. He quickly made a name for himself as a bug hunter and now actively participates in bug bounty programs. Other than Infosec, he loves creating full stack web applications using cutting edge technologies.
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