For many organizations it is not possible to implement and manage Office 365 to the level of security necessary without Azure AD Premium. It is also not possible to effectively deploy and consume the capabilities of Azure AD Premium all at once. Recommending a phased deployment approach, Brian Desmond walks you through implementation of the four most important features you should start with.
A summary of the new Azure Certifications announcements at Microsoft Ignite by Chris Rhodes. He goes into detail about new certifications.
A curious case of legitimate Azure AD Identity Protection weekly digest emails being quarantined by EOP when international spam filtering is enabled.