Microsoft Defender for Office 365

Exchange Online Protection (EOP) and Microsoft Defender for Office 365 (MDO) are the email and collaboration security services native to Microsoft 365. EOP is included at all levels of licensing for Exchange Online, with MDO bringing additional security capabilities to license levels such as Business Premium, Microsoft 365 E3, and Microsoft 365 E5. In this blog, I'll review five of the most common security mistakes I see in tenants regarding EOP and MDO. Realistically,…