Splunk vs ELK Stack

Comparing Splunk and ELK for log analysis and SIEM

Splunk

Enterprise data analytics platform

Pros

  • Powerful search
  • Ready integrations
  • Good support
  • Built-in SIEM

Cons

  • Very expensive
  • Volume-based licensing
  • Complex pricing
  • Vendor lock-in

Best For

Enterprise SOCCritical systemsLarge budgetsFast deployment

ELK Stack

Open source log stack: Elasticsearch, Logstash, Kibana

Pros

  • Free base
  • Flexibility
  • No volume limits
  • Large community

Cons

  • Requires expertise
  • SIEM needs setup
  • Harder support
  • Needs resources

Best For

Budget projectsDevOps logsCustom solutionsTechnical teams

Verdict

Splunk for enterprise with budget, ELK for technical teams and budget projects

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