▽Protiviti Independent Risk Consulting - Japan Home ●10/10 09:57 The majority of corporations leverage Microsoft Exchange as their primary email platform. In addition, many companies extend the use of corporate email to employees who work from home or while on the road. For these work-from-home employees, as well as “road warriors,” to access their email, corporations often make their email system externally accessible via Outlook Web Access (OWA, Office365) or