Splunk
vs
Zscaler

Splunk vs Zscaler: Full Comparison 2025

Which is right for your team? Compare pricing, features, and more.

Splunk

SIEM and security operations platform

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Zscaler

Cloud-native Zero Trust security platform

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Splunk vs Zscaler: Feature Comparison

Feature
S Splunk logo
Splunk
Z Zscaler logo
Zscaler
Pricing Paid Paid
Founded 2003 2007

About Splunk

Splunk is the leading SIEM (Security Information and Event Management) and security operations platform, processing machine data at scale to detect threats, investigate incidents, and automate response. Used by over 15,000 organisations including 92 of the Fortune 100, it is the dominant platform for security operations centres (SOCs) requiring enterprise-grade threat detection and compliance reporting.

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About Zscaler

Zscaler is a cloud-native security platform delivering secure internet access, private application access, and digital experience monitoring through its Zero Trust Exchange architecture. Processing over 300 billion transactions daily, it is the leading SASE platform for large enterprises transitioning away from hardware-based security perimeters to cloud-first Zero Trust architectures.

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