Tag Archives: Exchange Online

Exchange Online – Are your mailboxes encrypted?

For some organisations, encryption of data at rest is considered an important security control, especially in the context of cloud solutions. With core Office 365 services (SharePoint Online and Exchange Online) you have the option of controlling your own keys through the method known as Customer Key. But is there anything built-in that provides encryption… Read More »

EOP Accepted Domain silently modified

It seems that a couple of weeks ago my standalone Exchange Online Protection (EOP) configuration was changed without me being involved. Basically, it looks like my default Accepted Domain was changed from type “Internal Relay” to “Authoritative” without my knowledge or consent. The first I knew of this was when I noticed my on-premises mail… Read More »