Exchange Security Solution Scenario

John is a high level manager having many important meetings. His all-important Outlook calendar resides on the company's internal Exchange Server. Last minute, after hours changes are common. However, due to security reasons, he can't access his mailbox & calendar from outside. This has been causing serious scheduling issues and time lost. This solution brings the flexibility they need, but ensures highest security. Here's how.

Important meeting update is received into internal @company.com Exchange Server Step 1 Calendar item update is received by Connect Bridge / CB Exchange Server Sync Step 2 Gateway validator applies security rules and log information about what can leave internal network Step 3 Calendar item moves through firewall / gateway Step 4 Calendar item moves through external Connect Bridge Server Step 5 Calendar item is received into external Exchange Server @company.com Step 6 John sees & responds to calendar update from mobile phone mail client via an external network which is connected to the Internet Step 7 Calendar item is updated on the external @company.com Exchange Server Step 8 CB Exchange Sync gets updated calendar item from the external Connect Bridge and updates the internal @company.com Exchange Server Step 9 John goes to the office the next day, his secure mailbox reflects changes made from outside local network Step 10

Important meeting update is received into internal @company.com Exchange Server Step 1 Calendar item update is received by Connect Bridge / CB Exchange Server Sync Step 2 Gateway validator applies security rules and log information about what can leave internal network Step 3 Calendar item moves through firewall / gateway Step 4 Calendar item moves through external Connect Bridge Server Step 5 Calendar item is received into external Exchange Server @company.com Step 6 John sees & responds to calendar update from mobile phone mail client via an external network which is connected to the Internet Step 7 Calendar item is updated on the external @company.com Exchange Server Step 8 CB Exchange Sync gets updated calendar item from the external Connect Bridge and updates the internal @company.com Exchange Server Step 9 John goes to the office the next day, his secure mailbox reflects changes made from outside local network Step 10

Solution is suitable mainly for organizations that have 2 or more Exchange Servers in which one of them is behind a “Gateway / Firewall” and cannot expose mailbox items to the outside world

Solution Benefits

Security

Isolation of environments. By not exposing your Corporate Exchange Server to the outside world, you're dramatically reducing susceptibility to malicious attacks.



Validation Rules

Messages passing by the Gateway are structured / formatted in table format ( rows, columns). It is simple to create rules to validate content.

Maintenance

As your business and new data protection regulations evolve, it is simple and fast to adhere with those in a centralized place (Gateway).



No direct calls

No “direct” EWS calls from one network to another

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