There's no doubt that online security is more important today than it's ever been before. One can hardly avoid the almost daily stories about new vulnerabilities, information leaks, and data theft or extortion. Once upon a time, security concerns were one of the major objections to moving company data to the cloud. However, incidents at companies such as Equifax, Facebook, and Twitter continue to prove that a large IT infrastructure and in-house security team are no guarantee against modern threats. Although Microsoft is certainly not immune, it is reasonable to acknowledge that when it comes to data security,  they can apply more resources, manpower, and experience than typical small-to-midsized organizations and many larger ones.

Office 365 has many features that extend this protection. Although these used to be scattered across the entire platform, Microsoft has done much work recently to bring them together under the central Office 365...