10/29/2023 0 Comments Security defaults azure![]() Signs of known attacks, such as failed sign-in attempts that can indicate a password spraying attack.Suspicious activity, such as unrealistic or abnormal geo-location logins or anomalous behavior based on historical activity trends.Privilege changes, such as modifications to application permissions, application certificate or key generation, and changes to sensitive roles (e.g., Global Admin) or groups.Organizations should deploy tools that can not only monitor the events that are occurring but also detect and flag when something unusual or threatening is afoot, such as: It’s extremely important to audit what is going in your Azure AD environment, including what sign-ins are occurring, changes that are being made and how applications are being used. It requires users to perform two-step verification with every sign-in and overrides Conditional Access policies. Modifying user state on a user-by-user basis - This option works with both Azure AD MFA in the cloud and the Azure MFA Authentication server.This approach lessens the burden on users by requiring additional verification only when extra risk is identified. Conditional Access policies - These policies provide flexibility to require MFA under specific conditions, such as sign-in from unusual locations, untrusted devices or risky applications.This method is available across all licensing tiers. Azure AD security defaults - This option enables organizations to streamline MFA deployment and apply policies to challenge administrative accounts, require MFA via Microsoft Authenticator for all users, and restrict legacy authentication protocols.Microsoft provides several methods to enable MFA: In general, it is recommended to enable MFA not just for administrators but for all users - especially accounts that can pose a significant threat if compromised. Enable Azure AD Multi-Factor Authentication (MFA).Īzure AD MFA mitigates the risk of password-only authentication by requiring users to provide a combination of two or more factors: “something they know “ (e.g., a password), “something they have” (e.g., a trusted device like a phone) and “something they are” (e.g., a fingerprint). Indeed, without oversight and consistent review, significant access sprawl can occur, greatly increasing the organization’s attack surface area. Over time, these applications might no longer require the access they have been granted. Review access and application permissions regularly.Īzure AD goes beyond the provisioning powers of on-prem Active Directory - it is responsible for authenticating and granting access to not only users and groups, but also applications using modern authentication methods such as SAML or OAuth. PowerShell Essentials for Bolstering AD and Azure AD SecurityĢ. Therefore, in addition to enumerating the membership of known groups or roles that provide administrative access, be sure to audit individual access rights to uncover shadow admins that might be lurking around and take steps to reduce the opportunities for privilege escalation through non-standard means. Achieving that goal requires a comprehensive understanding of all of your organization’s administrative accounts - both those that are obvious and those that are not. While these accounts are necessary for both business and IT functions, they represent a significant risk to your organization.Īccordingly, experts emphasize that it’s critical to not only secure these accounts but to limit the number of them as well. Limit administrative privileges.Īdmin accounts are the #1 target for attackers because they provide access to more sensitive data and systems across an organization’s ecosystem. In this blog post, we will detail the top 5 security best practices to follow to secure your Azure Active Directory and protect your business. ![]() 10 Best Practices for Securing AD and Azure AD
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