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Now, Take a Step Back
Finally, even though you may be far along an expensive evaluation cycle, it's important to step back and ask yourself if the increased security justifies the cost of the IPS product and its associated capital and operational expenses.

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IPS Marketplace
Click here for an overview of which three categories IPSes fall into, based on their primary detection technology (PDF).

The investment in an IPS will range from simply checking a box on a firewall to enable the IPS, to installing devices and management consoles at critical points in your network. While IPS can offer significant value in improving security, measuring that value just before you dive into deployment can help cement the requirements and value for IPS, as well as provide a realistic set of expectations within your organization.

Compare host and network IPSes at searchsecurity.com/ismag.

This was first published in February 2007

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