During a merger and acquisition, you have two enterprises each running complex IT infrastructures with hundreds if not thousands of applications. Usually, these applications don’t just simply integrate together – rather, some perform overlapping functions and need to be altered or extended; some need to be used in parallel; while others need to be decommissioned and removed. This means amending, altering and updating firewall policies to accommodate new connectivity, new applications and new servers and often new firewalls – crucially, without creating IT security risks or outages.

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