Now reputation is beginning to be used to improve the effectiveness of Intrusion Prevention Systems (IPS).

FORBES: How reputation services enhance IPS

Exhibit A in this regard is a technology called Intrusion Prevention Systems, or IPS. The premise of an IPS is that you can examine a network flow, and based on complex algorithms, identify and stop potential attacks on your infrastructure such as your web servers.

FORBES: The Best Technology Is the One You Seldom See

On the issue of which agencies were affected, we are working with all federal departments and agencies to deploy defensive tools, such as the Einstein Intrusion Detection and Prevention systems.

WHITEHOUSE: Press Briefing