Author: ultroni1

Each Azure AI Foundry project includes connected resources, which are defined both at the parent (Azure AI Foundry resource or hub) level, and at the project level. Each resource is a connection to an external service, such as Azure storage, Azure AI Search, Azure OpenAI, or another Azure AI Foundry resource.

With the Azure AI Foundry SDK, you can connect to a project and retrieve connections; which you can then use to consume the connected services.

For example, the AIProjectClient object in Python has a connections property, which you can use to access the resource connections in the project. Methods of the connections object include:

• connections.list(): Returns a collection of connection objects, each representing a connection in the project. You can filter the results by specifying an optional connection_type parameter with a valid enumeration, such as ConnectionType.AZURE_OPEN_AI.
• connections.get(connection_name, include_credentials): Returns a connection object for the connection with the name specified. If the include_credentials parameter is True (the default value), the credentials required to connect to the connection are returned – for example, in the form of an API key for an Azure AI services resource.

The connection objects returned by these methods include connection-specific properties, including credentials, which you can use to connect to the associated resource.

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Azure AI Foundry provides a REST API that you can use to work with AI Foundry projects and the resources they contain. Additionally, multiple language-specific SDKs are available, enabling developers to write code that uses resources in an Azure AI Foundry project in their preferred development language. With an Azure AI Foundry SDK, developers can create applications that connect to a project, access the resource connections and models in that project, and use them to perform AI operations, such as sending prompts to a generative AI model and processing the responses.

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Defender for Cloud is a monitoring tool for security posture management and threat protection. It monitors your cloud, on-premises, hybrid, and multicloud environments to provide guidance and notifications aimed at strengthening your security posture.

Defender for Cloud provides the tools needed to harden your resources, track your security posture, protect against cyber attacks, and streamline security management. Deployment of Defender for Cloud is easy, it’s already natively integrated to Azure.

Protection everywhere you’re deployed

Because Defender for Cloud is an Azure-native service, many Azure services are monitored and protected without needing any deployment. However, if you also have an on-premises datacenter or are also operating in another cloud environment, monitoring of Azure services may not give you a complete picture of your security situation.

When necessary, Defender for Cloud can automatically deploy a Log Analytics agent to gather security-related data. For Azure machines, deployment is handled directly. For hybrid and multicloud environments, Microsoft Defender plans are extended to non-Azure machines with the help of Azure Arc. Cloud security posture management (CSPM) features are extended to multicloud machines without the need for any agents.

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he objective of defense-in-depth is to protect information and prevent it from being stolen by those who aren’t authorized to access it.

A defense-in-depth strategy uses a series of mechanisms to slow the advance of an attack that aims at acquiring unauthorized access to data.

Layers of defense-in-depth

You can visualize defense-in-depth as a set of layers, with the data to be secured at the center and all the other layers functioning to protect that central data layer.

Each layer provides protection so that if one layer is breached, a subsequent layer is already in place to prevent further exposure. This approach removes reliance on any single layer of protection. It slows down an attack and provides alert information that security teams can act upon, either automatically or manually.

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Zero Trust is a security model that assumes the worst case scenario and protects resources with that expectation. Zero Trust assumes breach at the outset, and then verifies each request as though it originated from an uncontrolled network.

Today, organizations need a new security model that effectively adapts to the complexity of the modern environment; embraces the mobile workforce; and protects people, devices, applications, and data wherever they’re located.

To address this new world of computing, Microsoft highly recommends the Zero Trust security model, which is based on these guiding principles:

• Verify explicitly – Always authenticate and authorize based on all available data points.
• Use least privilege access – Limit user access with Just-In-Time and Just-Enough-Access (JIT/JEA), risk-based adaptive policies, and data protection.
• Assume breach – Minimize blast radius and segment access. Verify end-to-end encryption. Use analytics to get visibility, drive threat detection, and improve defenses.

Adjusting to Zero Trust

Traditionally, corporate networks were restricted, protected, and generally assumed safe. Only managed computers could join the network, VPN access was tightly controlled, and personal devices were frequently restricted or blocked.

The Zero Trust model flips that scenario. Instead of assuming that a device is safe because it’s within the corporate network, it requires everyone to authenticate. Then grants access based on authentication rather than location.

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When you have multiple IT and engineering teams, how can you control what access they have to the resources in your cloud environment? The principle of least privilege says you should only grant access up to the level needed to complete a task. If you only need read access to a storage blob, then you should only be granted read access to that storage blob. Write access to that blob shouldn’t be granted, nor should read access to other storage blobs. It’s a good security practice to follow.

However, managing that level of permissions for an entire team would become tedious. Instead of defining the detailed access requirements for each individual, and then updating access requirements when new resources are created or new people join the team, Azure enables you to control access through Azure role-based access control (Azure RBAC).

Azure provides built-in roles that describe common access rules for cloud resources. You can also define your own roles. Each role has an associated set of access permissions that relate to that role. When you assign individuals or groups to one or more roles, they receive all the associated access permissions.

So, if you hire a new engineer and add them to the Azure RBAC group for engineers, they automatically get the same access as the other engineers in the same Azure RBAC group. Similarly, if you add additional resources and point Azure RBAC at them, everyone in that Azure RBAC group will now have those permissions on the new resources as well as the existing resources.

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Conditional Access is a tool that Microsoft Entra ID uses to allow (or deny) access to resources based on identity signals. These signals include who the user is, where the user is, and what device the user is requesting access from.

Conditional Access helps IT administrators:

• Empower users to be productive wherever and whenever.
• Protect the organization’s assets.

Conditional Access also provides a more granular multifactor authentication experience for users. For example, a user might not be challenged for second authentication factor if they’re at a known location. However, they might be challenged for a second authentication factor if their sign-in signals are unusual or they’re at an unexpected location.

During sign-in, Conditional Access collects signals from the user, makes decisions based on those signals, and then enforces that decision by allowing or denying the access request or challenging for a multifactor authentication response.

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An external identity is a person, device, service, etc. that is outside your organization. Microsoft Entra External ID refers to all the ways you can securely interact with users outside of your organization. If you want to collaborate with partners, distributors, suppliers, or vendors, you can share your resources and define how your internal users can access external organizations. If you’re a developer creating consumer-facing apps, you can manage your customers’ identity experiences.

External identities may sound similar to single sign-on. With External Identities, external users can “bring their own identities.” Whether they have a corporate or government-issued digital identity, or an unmanaged social identity like Google or Facebook, they can use their own credentials to sign in. The external user’s identity provider manages their identity, and you manage access to your apps with Microsoft Entra ID or Azure AD B2C to keep your resources protected.

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Authentication is the process of establishing the identity of a person, service, or device. It requires the person, service, or device to provide some type of credential to prove who they are. Authentication is like presenting ID when you’re traveling. It doesn’t confirm that you’re ticketed, it just proves that you’re who you say you are. Azure supports multiple authentication methods, including standard passwords, single sign-on (SSO), multifactor authentication (MFA), and passwordless.

For the longest time, security and convenience seemed to be at odds with each other. Thankfully, new authentication solutions provide both security and convenience.

What’s single sign-on?

Single sign-on (SSO) enables a user to sign in one time and use that credential to access multiple resources and applications from different providers. For SSO to work, the different applications and providers must trust the initial authenticator.

More identities mean more passwords to remember and change. Password policies can vary among applications. As complexity requirements increase, it becomes increasingly difficult for users to remember them. The more passwords a user has to manage, the greater the risk of a credential-related security incident.

Consider the process of managing all those identities. More strain is placed on help desks as they deal with account lockouts and password reset requests. If a user leaves an organization, tracking down all those identities and ensuring they’re disabled can be challenging. If an identity is overlooked, this might allow access when it should have been eliminated.

With SSO, you need to remember only one ID and one password. Access across applications is granted to a single identity that’s tied to the user, which simplifies the security model. As users change roles or leave an organization, access is tied to a single identity. This change greatly reduces the effort needed to change or disable accounts. Using SSO for accounts makes it easier for users to manage their identities and for IT to manage users.

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Microsoft Entra ID is a directory service that enables you to sign in and access both Microsoft cloud applications and cloud applications that you develop. Microsoft Entra ID can also help you maintain your on-premises Active Directory deployment.

For on-premises environments, Active Directory running on Windows Server provides an identity and access management service that’s managed by your organization. Microsoft Entra ID is Microsoft’s cloud-based identity and access management service. With Microsoft Entra ID, you control the identity accounts, but Microsoft ensures that the service is available globally. If you’ve worked with Active Directory, Microsoft Entra ID will be familiar to you.

When you secure identities on-premises with Active Directory, Microsoft doesn’t monitor sign-in attempts. When you connect Active Directory with Microsoft Entra ID, Microsoft can help protect you by detecting suspicious sign-in attempts at no extra cost. For example, Microsoft Entra ID can detect sign-in attempts from unexpected locations or unknown devices.

Who uses Microsoft Entra ID?

Microsoft Entra ID is for:

• IT administrators. Administrators can use Microsoft Entra ID to control access to applications and resources based on their business requirements.
• App developers. Developers can use Microsoft Entra ID to provide a standards-based approach for adding functionality to applications that they build, such as adding SSO functionality to an app or enabling an app to work with a user’s existing credentials.
• Users. Users can manage their identities and take maintenance actions like self-service password reset.
• Online service subscribers. Microsoft 365, Microsoft Office 365, Azure, and Microsoft Dynamics CRM Online subscribers are already using Microsoft Entra ID to authenticate into their account.

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