Gartner Research

SIEM Technology, Market and Vendor Assessment

Published: 10 February 2016

ID: G00292754

Analyst(s): Anton Chuvakin , Augusto Barros


Security information and event management is a crucial and widely used security technology, yet many security architects struggle to get value from their often expensive deployments. Deeply understanding SIEM technology and products is critical to success.

Table Of Contents
  • Key Findings


  • SIEM Drivers and Requirements
  • SIEM Drivers
    • Driver: Current and Emerging Threats
    • Driver: Compliance Mandates and Regulations
    • Driver: Converging Threat and Compliance
  • SIEM Market
    • Market Basics
    • Market Segmentation
  • SIEM Market Trends
    • SIEM Challenges Driving the Evolution
    • More Analytics
    • More Data
    • More Standard Functionality
    • Workflow and User Experience Evolution
    • Potential Market Disruptors
  • SIEM Technology
    • SIEM as Center of Security Monitoring
    • SIEM Capabilities
    • SIEM Tool Generic Architecture
    • SIEM Performance Considerations
    • SIEM Use Cases
    • SIEM Tools and SIEM Content
    • SIEM Deployment Scenarios: Do I Need an SOC?
  • SIEM Sourcing Options
    • SIEM Services and Outsourcing
  • Comparison of Approaches to SIEM Solutions
  • Strengths
  • Weaknesses


  • Evaluate SIEM Solutions Based on Both Threat and Compliance Use Cases, but Weight Threat Use Cases Higher
  • Review Your Use Cases in Depth Before Deciding on an SIEM Tool
  • Large Enterprises Should Pick Solutions With Extensive Enterprise Maturity
  • When Planning for SIEM, Consider Usage Scenarios Such as SOC or Virtual SOC
  • Review Sourcing Options for SIEM Tools
  • Evolve a Chosen Sourcing Option Over Time
  • If Using External Parties for SIEM, Focus on Knowledge Transfer
  • In Addition to SIEM, Use NFT and EDR for Comprehensive Security Monitoring and Enterprise Visibility

The Details

  • Profiled Vendors
    • HPE ArcSight
    • IBM Security QRadar SIEM
    • Intel Security McAfee ESM
    • LogRhythm
    • Splunk
  • Additional Details on SIEM Technology and Functional Components
  • Additional Details on SIEM Content Types

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