Gartner Research

Network Intrusion Prevention Systems: A Dying Breed or Fit for the Future?

Published: 30 October 2012

ID: G00227803

Analyst(s): Mario de Boer


Network intrusion prevention systems (NIPSs) improve the ability to detect security events. The use of their prevention capabilities for specific types of attacks has become common. This assessment examines the detection and response capabilities of NIPS products and the ways they can be deployed.

Table Of Contents

Summary of Findings


  • Drivers
  • Use Cases
    • Identifying and Blocking Attacks and Providing Prepatch Protection
    • Detecting Traffic From Compromised Machines
    • Detecting and Preventing Violations of Policy
    • Verifying Protection
    • Protecting the Network Zone Boundary
    • Controlling Network Access for Unmanaged Devices
  • Requirements
    • Functionality
    • Technology
    • Manageability
  • Architecture
    • Components
    • Deployment Options
    • High Availability
    • Handling Integration and Overlap With Security Solutions
  • Operations
  • Market Landscape
  • Future Developments
    • NGFWs Will Replace Some NIPS Installations, But Not All
    • Detection Accuracy Continuously Improves
    • Increasing Overlap and Integration Between NIPSs and Other Security Functions
    • Mobility, Cloud and Virtualization Impact NIPS Architecture
    • IPv6 Will Impact NIPS Solutions
  • Strengths
  • Weaknesses
  • Prepare to Spend Early to Save Later
  • Choose NIPS Solutions With Advanced Detection Capabilities
  • Seek for NIPSs to Integrate and Be Integrated
  • Set Clear Policies and Governance Around Monitoring and Blocking
  • Tune, Tune and Tune
  • Report and Communicate the Right Results

The Details

  • Vendors
    • Cisco Systems
    • Corero Network Security
    • Enterasys Networks
    • HP
    • IBM
    • Juniper Networks
    • McAfee
    • NSFOCUS Information Technology
    • Radware
    • Sourcefire
    • Stonesoft
  • Collection, Reassembly and Normalization
  • Detection
    • Vulnerability-/Exploit-Based Signatures
    • Traffic Signatures
    • Content-/Application-Based Signatures
    • Protocol Anomalies
    • Reputation
  • Correlation
  • Response
    • Passive Response
    • Active Response

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