Microsoft Tenant Hardening
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Configure Exchange Online SMTP Relay with a Static Public IP Address
Microsoft has announced the gradual deprecation of Basic Authentication for SMTP AUTH in Exchange Online. Existing tenants will still be able to use the feature for now, but a complete removal is planned in the long term. Details about the current roadmap and the deprecation timeline are published in the Exchange Team Blog: Updated Exchange Online SMTP AUTH Basic Authentication Deprecation Timeline | Microsoft Community Hub
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Secure Device Registration in Microsoft Entra and Microsoft Intune
By default, users can register devices in Microsoft Entra ID. Each device is represented as an object in Microsoft Entra ID and can be used for authentication and access. Once a user account is compromised, attackers can register their own devices and establish persistent access. Device registration is a security-critical process and must be secured. It is essential to define who is allowed to register devices, under which conditions registration is permitted, and which device types are accepted. Microsoft Entra ID and Microsoft Intune provide multiple control mechanisms that can be combined to enforce these requirements. Only when device registration is properly controlled can device compliance and Microsoft Entra Conditional…
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Microsoft Entra Private Access BYOD: Access Internal Resources with Entra Registered Devices
Until now, access to internal resources through Microsoft Entra Private Access was limited to managed devices that were either Microsoft Entra joined or Microsoft Entra hybrid joined. With the introduction of Microsoft Entra Private Access BYOD support, this limitation has been removed. Microsoft Entra registered devices can now access internal resources through Microsoft Entra Private Access, extending secure access to scenarios beyond fully managed devices.
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Microsoft Entra Access Reviews: Governance for User and Guest Access
In Microsoft Entra ID, user and guest access evolves incrementally over time, for example as a result of role changes, project assignments or temporary external collaboration. Access rights that are granted once often remain in place, even when the original business or organizational requirement no longer exists. As a result, common countermeasures such as manual access reviews, follow-ups with group owners or occasional spot checks provide only limited, point-in-time transparency and do not enable a consistent and regular review of access. Decisions are often not documented consistently and are therefore difficult to audit retrospectively.
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Soft Delete in Microsoft Entra Conditional Access: Easily Restore Deleted Policies
Thanks to Soft Delete, a deleted policy in Microsoft Entra Conditional Access remains available for up to 30 days and can be fully restored during this retention period. This enables the complete recovery of deleted policies without significant effort, including all conditions, assignments, and access controls. A variety of scenarios can lead to policies being deleted: accidental removal, faulty automations, tenant clean-ups or malicious changes. Soft Delete ensures rapid recovery and prevents the permanent loss of critical access rules as well as time-consuming rebuilds.