Securing Your Cloud Applications: Implementing Privileged Access Management in Azure

Cloud computing has simplified several business processes, enabling employees to work and collaborate remotely and allowing businesses to store and process vast amounts of data easily. However, these conveniences are not without risks, primarily concerning data security. In a cloud environment, Privileged Access Management (PAM) is essential for efficient management and monitoring of data access, which can reduce potential cybersecurity threats.

What is Privileged Access Management (PAM)?

PAM is an identity and access security system designed to prevent unauthorized and nefarious access to important resources. To achieve these objectives, PAM solutions monitor, detect, and prevent privileged access that could inadvertently enable cybercriminals to infiltrate your cloud environment.

Azure Bastion is a popular PaaS (Platform as a Service) offering in Microsoft’s Azure cloud that provides a secure way to configure Azure Virtual Machine host access. It is essential in building Azure PAM (Privileged Access Management) solutions. As a managed PaaS service, it eliminates the need for manual installation and configurations, reducing associated risks.

Importance of Configuring Azure VM Host Access

Without proper configuration of Azure VM host access, you risk exposing your sensitive data to threat actors. Allowing unrestricted access to your VM host exposes you to attacks that can easily bypass traditional security measures.

Azure Bastion serves as a hardened “jump box” that secures access by allowing only a single RDP or SSH port to be exposed. It enables the use of Remote Desktop Protocol (RDP), Secure Shell (SSH), and other protocols for remote server management without requiring a virtual private network (VPN) connection. This approach limits the inputs to a single endpoint, thereby reducing the level of the potential attack surface since the host becomes less susceptible to scanning.

Microsoft is responsible for patching, zero-day vulnerabilities, and network attacks for Azure Bastion, which is uniquely hardened by the company. This helps preserve your time, energy, and resources for other important areas of your business.

Azure AD Privileged Identity Management (PIM) is a service that enables you to manage, control, and monitor access to critical organizational resources. This service uses a “just-in-time” and “just enough” privilege model, which means that you’re authorized to perform certain elevated permissions only when needed and for a limited time. Since the service is completely automated, it helps in ensuring better security and compliance for your organization.

Overview

Azure AD PIM provides users with complete visibility and control over who has access to critical resources in their cloud environment. Its main feature set includes simple and flexible workflows, real-time auditing, and easier administration.

“How it allows management, control, and monitoring of access to critical organizational resources:
Azure AD PIM is an automated tool that can be deployed along with Azure AD to provide full visibility and control over critical resources in your cloud environment. PIM allows you to set access policies and roles based on specific job functions.”

Policy-Driven Objectives for Allowing Only When-Needed Privileged Access

With PIM, you can control, monitor, and audit resource access requests. This service does this by designating specific employees as potential administrators only when they need access to perform tasks. All logged data is audited, and access is automatically revoked once the time limit has expired.

Integration of Azure DevOps with PIM

Since 2019, Azure DevOps has been integrated with PIM. This integration provides visibility into the access level of users who are assigned DevOps permissions. It also supports workflows, making it easier to assign tasks and review access requests.

Advantages of Azure PAM: One significant advantage of Azure PAM is how Virtual Machines (VMs) are not accessible over the internet. This means that Azure PAM limits the possibility of port scanning and possible zero-day attacks against internet-exposed ports and protocols.

With the increasing level of sophistication of cyberattacks, businesses must take active measures to protect their cloud resources. By leveraging Azure PAM tools such as Azure Bastion and Azure AD PIM, you can increase efficiency, reduce risks, and enhance the overall security posture of your organization.

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