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London, UK: Zscaler has announced Zscaler for Office 365, a new cloud-based service that enables security and visibility for Office 365 without the increased bandwidth and security limitations of traditional hub-and-spoke MPLS networks that can negatively impact user experience.


According to Microsoft, “Using Office 365 service offerings may increase your organisation’s Internet traffic, so it is important to evaluate and assess the network impact of the services.”1 As office applications move into the cloud and its users connect through encrypted SSL channels, traditional on-premise security appliances cannot effectively scale to provide security and visibility into network traffic. Additionally, Microsoft notes, “Some network hardware may have limitations on the number of concurrent sessions that are supported.”2 Microsoft Office 365 creates multiple connections from the client to the Microsoft data center, increasing the load on network firewalls. As a result, many organisations are forced to heavily invest in increasing MPLS bandwidth to mitigate network chokepoints and the negative impact of increased latency on users.

“As organisations adopt Microsoft Office 365, it is illogical to force its cloud-bound traffic through old hub-and-spoke networks and on-premise security appliances since it can create high costs and a negative user experience,” said Jay Chaudhry, co-founder and CEO, Zscaler. “Zscaler for Office 365 enforces security, provides real-time visibility and delivers an unparalleled user experience, enabling organisations to continue using the applications they know and love without the hassle of updating legacy networks.”