Security Audit

Azure Penetration Testing Guide – Policies, Tools & Tips

Updated on: November 22, 2022

Azure Penetration Testing Guide – Policies, Tools & Tips

Penetration testing a cloud platform or Infrastructure as a Service is different from pentesting an application on many accounts. The policies kept in place by the cloud service providers and the shared responsibility model come into play, among other things.


Keeping up with the trend of cloud computing, Microsoft Azure has become a popular cloud service platform. If you are here then you are curious to test whether your Azure platform is safe from cyber-attacks and security concerns. 

Microsoft Azure has a growing customer base and maintains a high standard of security. However, security is never a final state but a work in progress. With ever-changing cybersecurity scenarios and newer threats, thorough azure penetration testing is essential to make sure your cloud environment as well as the cloud-based application is secure.

Azure pentest can be tricky since it might go against Microsoft’s security policies. Thus, with this guide, you will be able to navigate through Microsoft’s security policies and conduct pentest on your Azure application correctly.

Related: What is Cloud Security Testing?

How Microsoft’s Azure Penetration Testing Works

Before you get started with penetration testing of your cloud application, let’s first understand Microsoft’s Azure pen-testing procedure

There are two teams – Red and Blue, involved in Azure pentest. The Red team is responsible for simulating the different types of attacks on Azure services, without affecting customers’ data. While the Blue team is in charge of countering these attacks and recovery. Once the Blue team detects any breach, they:

  • Collect all evidence regarding the incident
  • Notify operations, engineering, and other relevant teams
  • Classify the threat to decide whether it requires further investigation
  • Create a plan to alleviate the threat
  • Execute the plan and recover the affected systems

After the attack, both the Blue and Red teams convene to analyze the attempt and response to the attack. The following details are analyzed and discussed:

  • Timing of the breach
  • Mechanism of the breach
  • Compromised systems and assets
  • If the Blue team was able to mitigate the attack
  • Whether recovery was successful and effective

Also Read: Cloud Penetration Testing: A Complete Guide

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Understanding Azure Deployment

The first step in Azure penetration testing is to understand how Azure is deployed on your end. Security management depends on the type of deployment. There are two types of deployment – Classis mode and Resource Management mode.

In resource management mode, you get all the cloud services bundled into a single entity. In this, you get access to Azure Resource Manager (ARM). As the name suggests, you can use this to manage all your cloud services and apply security protocols in a standardized way. ARM also lets you apply RBAC (role-based access control) across all virtual resources in the group.

In classic mode, you get a bundled cloud service, containing a virtual machine, load balancer, an external IP, and a network interface card.

Related blog – Detailed Sample Penetration Testing Report

Azure Pentest Policies

Microsoft encourages security researchers to test their Azure services and report their findings to help in fixing and patching the security gaps. However, to protect their customer’s data and to avoid disruption in their services, security researchers need to follow some rules while performing any kind of testing:

The following actions are prohibited by Microsoft:

  • Scanning or conducting tests on other Azure customer assets
  • Accessing data that is not completely self-owned
  • Conducting any DDoS attacks
  • Conducting any intensive network fuzzing against Azure virtual machines
  • Any tests that generate a huge amount of traffic through automated testing methods
  • Attempt phishing or any social engineering attacks on Microsoft’s employees
  • Utilizing any services that violate the acceptable usage policies as mentioned in the online usage terms

The following steps are encouraged by Microsoft to conduct Azure penetration testing:

  • Create multiple test or trial accounts to test cross-account access vulnerabilities. However, using these test accounts to access other customers’ data is prohibited.
  • Running vulnerability scanning tools, performing port scans, or fuzzing on your virtual machine.
  • Testing your account by generating traffic that is expected to match regular working periods and can also include surge capacity.
  • Try to break out of Azure services to access other customer assets. If any such vulnerability is found, you should inform Microsoft and cease any further tests.

Related Guide – How to conduct Website Penetration testing

Azure penetration testing requires you to be careful since Microsoft uses multiple automated attack mitigation services that are not disarmed for any pen-testing.

Azure Penetration Testing Tools

To conduct a pen test, you will need tools that can either work automatically or can be operated manually. Below are some open-sourced tools that you can use for azure penetration testing:

1. Azucar

Azucar is a multi-thread plugin that automatically audits your Azure environment and collects all relevant details regarding the platform. It analyzes the collected data to detect any security concerns that might be present.

Also Read: 11 Best Penetration Testing Tools & Platforms of 2022

2. PowerZure

PowerZure is a PowerShell-based script that can be used for both reconnaissances and testing Azure. It offers several functionalities for information collection, credential access, and data extraction.

3. MicroBurst

MicroBurst is a collection of scripts to thoroughly test your Azure deployment. It can be used to detect weak configuration, service discovery, and many other post-exploitation objectives.

4. CS-suite (Cloud Security Suite)

CS-Suite is a python based automation tool that lets you conduct a comprehensive cloud test on various services including Microsoft Azure.

Read Also: Cloud Security Audit: Everything You Need to Know

Security Best Practices During Azure Pentest

Since we now know the rules and tools for Azure penetration testing, we can dive into the steps and areas which we can test.

There are three major areas for pen testing in Azure. Let’s discuss them.

1. Accessing Azure Cloud Services

Once Azure is deployed, the first thing to check is access management. The first place to start is the Azure web portal. Check the Azure access directory to review users who have access to your Azure services. Remove any unknown or unauthorized users from the access list. Additionally, harden the access by using multi-factor authentication for logging in.

If using other access getaways for Azure, notably PowerShell or REST APIs, check if the connection is encrypted. Also, be careful about persisting credentials across different machines. 

Using appropriate access controls for different user roles is a must for keeping your application secure from unauthorized access security risks. Azure provides three different roles, reader, contributor, and owner. 

The owner has the highest set of privileges, followed by the contributor and reader. Make sure that the principle of least privileges applies to all users. While performing penetration testing, always check for privilege escalation vulnerabilities  (if any user can elevate permissions that do not match with the role).

Role-based access control
Image: Role-based access control (Source:

2. Securing the Database

In Azure, organizations store their data in MS-SQL databases, which are protected by multiple security tools by Microsoft over several layers. These tools include server and network-level firewalls, and data masking, to name a few.

Regarding network-level security, ensure that both server and database-level firewalls are functioning. 

They can be configured by whitelisting safe IPs, as compared to blacklisting. For server-level firewalls, it controls access to a server that might host multiple databases. A database-level firewall is necessary to protect the individual database and provide fine-grained security.

Network-level security for Azure
Image: Network-level security for Azure

Always Encrypted is a powerful addition to Azure by Microsoft. This ensures that not even Microsoft administrators have access to sensitive data.  If you choose to encrypt all data stored in Azure, you generate an encryption key. This key can be stored either on Azure itself or on-premise. By handing over the encryption keys to Azure you get convenience and seamless integration across your Azure platform, but you’d lose control over key backup and rotation.

Data masking can also help in case complete data encryption is not possible. In Azure, data masking protects sensitive data from those who o not require access to it. This can be specifically useful in scenarios such as storing the financial details of customers and this can be configured by using Azure SQL Cmdlets, Portal, or REST API.

3. Encryption

For a secure cloud platform, encryption plays a very important part. Data in the cloud needs to be encrypted both in transit and at rest.

For in-transit encryption, you can use the latest HTTPS or TLS implementation. Chances of unauthorized access from the user’s end need to be analyzed and if required, secure protocols such as VPN might also be used.

Azure data encryption-at-rest
Image: Azure data encryption-at-rest (Source:

While managing your keys on-premise requires you to take complete responsibility for protecting them from attackers. By using Azure Key Vault you can control which Azure services can access it. But if attackers get their hands in this vault, they can use these keys to decrypt all sensitive data. It depends on the organization whether it is capable of managing encryption keys on-premise or allowing Microsoft to be in charge of them.

Astra's VAPT Process
Image: Astra’s VAPT Process

Also Read: Top Penetration Testing Services & Providers – Comparison with Reviews


Securing Azure means making choices in almost all aspects depending on your requirements. Azure penetration testing is not only for analyzing the security standard but also to understand what works for you.

 A thorough pen test will help you understand how to improve Azure security and keep your application safe. While manually it can be tricky and if proper protocols are not followed it might have some repercussions. We at  Astra offer a detailed  Azure penetration testing service that makes sure all policies are followed and all aspects of the Azure application are prodded. 


1. What is the timeline for Azure Penetration Testing?

The timeline for Azure Penetration Testing is 4-5 days. You start seeing the vulnerabilities from the 2nd day on your dashboard. The timeline may differ a little depending upon the scope of the test.

2. How much does Azure penetration testing cost?

Penetration testing on Azure costs between $490 and $999 per scan.

3.Why choose Astra Pentest?

The security engineers at Astra perform extensive manual pentest on top of machine learning driven automated scans. The vulnerability reports appear on your dashboard with detailed remediation guides. You will have access to a team of 2 to 10 security experts to help you with the fixes.

Jinson Varghese

Jinson Varghese Behanan is an Information Security Analyst at Astra. Passionate about Cybersecurity from a young age, Jinson completed his Bachelor's degree in Computer Security from Northumbria University. When he isn’t glued to a computer screen, he spends his time reading InfoSec materials, playing basketball, learning French and traveling. You can follow him on Medium or visit his Website for more stories about the various Security Audits he does and the crazy vulnerabilities he finds.
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