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ALSO CALLED: Network Perimeter Security, Computer Network Security, Security Network, Perimeter Security
DEFINITION: Network behavior analysis (NBA) is a way to enhance the security of a proprietary network by monitoring traffic and noting unusual actions or departures from normal operation. Conventional intrusion prevention system solutions defend a network's perimeter by using packet inspection, signature detection and real-time blocking. NBA solutions watch what's happening inside the network, aggregating data  … 
Definition continues below.
Network Security Multimedia (View All Report Types)
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Cascading Risk
sponsored by Core Security Technologies
WEBCAST: This webcast identifies the trends towards the outsourcing of business and technology processes, and how that can increase systemic and operational risk within an enterprise.
Posted: 04 Apr 2007 | Premiered: Apr 26, 2007, 14:00 EDT (18:00 GMT)

Core Security Technologies

Managing Your Network Security with Juniper Networks Flash Demo
sponsored by Juniper Networks, Inc.
SOFTWARE DEMO: Take a tour of the Juniper Networks NetScreen-Security Manager to see how you can manage integrated FW/VPN devices.
Posted: 30 Aug 2006 | Premiered: 30 Aug 2006

Juniper Networks, Inc.

Symantec IM Manager
sponsored by Symantec Corporation
TRIAL SOFTWARE: Symantec IM Manager 8.2 seamlessly manages, secures, logs, and archives corporate instant-messaging traffic with certified support for public and enterprise IM networks.
Posted: 15 Jun 2006 | Premiered: 01 Mar 2007

Symantec Corporation
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NETWORK SECURITY DEFINITION (continued): …  from many points to support offline analysis.After establishing a benchmark for normal traffic, the NBA program passively monitors network activity and flags unknown, new or unusual patterns that might indicate the presence of a threat. The program can also monitor and record trends in bandwidth and protocol use. Network behavior analysis is particularly good for spotting new malware and zero day exploits. A good NBA program can help a network administrator minimize the time and labor involved in locating and resolving problems. It should be used as an enhancement to the protection provided by … 
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