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Cybersecurity · head to head

Splunk Enterprise Security vs Zscaler Internet Access

Splunk Enterprise Security logo

Splunk Enterprise Security

Cybersecurity

The platform for operational intelligence

From
On request
Rated
-
Full reviewWebsite
Zscaler Internet Access logo

Zscaler Internet Access

Cybersecurity

Secure cloud-native internet and SaaS access

From
$100/year
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Splunk Enterprise Security splunk Enterprise Security is licensed separately from the Splunk platform, so a SIEM deployment needs both; Zscaler Internet Access the pricing page names two base tiers, Essentials Platform and Zscaler Platform, plus modular add ons including three Digital Experience Monitoring tiers, but publishes no dollar figures anywhere and routes buyers to a demo request for cost
  • They diverge on capability: Splunk Enterprise Security covers Security monitoring, Zscaler Internet Access covers Secure web gateway.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Splunk Enterprise Security and Zscaler Internet Access actually diverge.

Attributes where Splunk Enterprise Security and Zscaler Internet Access differ
AttributeSplunk Enterprise SecurityZscaler Internet Access
Starting priceOn request$100/year
PlatformsWeb, ApiWeb, Desktop, Mobile
Founded20032007

Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Splunk Enterprise Security

  • Security monitoring
  • Incident review
  • Risk-based alerting
  • Threat intelligence
  • Investigation workbench
  • MITRE ATT&CK mapping
  • Automated response
  • Compliance reporting

Only in Zscaler Internet Access

  • Secure web gateway
  • Cloud firewall
  • URL filtering
  • Advanced threat protection
  • Data loss prevention
  • Cloud sandbox
  • Browser isolation
  • CASB

Both cover

  • CrowdStrike
  • ServiceNow
  • Okta
  • SOC2 Type 2
  • ISO 27001

What people use each for

The jobs each tool is most often brought in to do.

Splunk Enterprise Security

  • Running a security operations centre on Splunk indexed log datanot Zscaler Internet Access
  • Correlation searches, risk based alerting and incident investigationnot Zscaler Internet Access
  • Compliance reporting from pooled security telemetrynot Zscaler Internet Access

Zscaler Internet Access

  • Cloud Securitynot Splunk Enterprise Security
  • Zero Trustnot Splunk Enterprise Security
  • Web Securitynot Splunk Enterprise Security

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Splunk Enterprise Security

  • Splunk Enterprise Security is licensed separately from the Splunk platform, so a SIEM deployment needs both
  • Splunk publishes no rate for Enterprise Security and directs buyers to contact a pricing expert
  • UEBA, SOAR and automated threat analysis require the Premier edition rather than Essentials
  • The platform underneath can be billed by ingest volume, workload or activity, so the total cost depends on a pricing model chosen at contract time rather than a list price

Zscaler Internet Access

  • The pricing page names two base tiers, Essentials Platform and Zscaler Platform, plus modular add ons including three Digital Experience Monitoring tiers, but publishes no dollar figures anywhere and routes buyers to a demo request for cost

Pricing, plan by plan

Splunk Enterprise Security

On request
  • Workload PricingFree
    • Pay per compute
    • Flexible scaling
    • All features
  • Ingest PricingFree
    • Pay per GB ingested
    • Predictable costs
    • All features
  • Entity PricingFree
    • Pay per monitored entity
    • Security focused
    • All features

Zscaler Internet Access

$100/year
  • ZIA Business$100/year
    • Web security
    • URL filtering
    • Cloud firewall
  • ZIA Transformation$200/year
    • All Business features
    • Advanced threat protection
    • Cloud sandbox
  • ZIA Unlimited$350/year
    • All Transformation features
    • Cloud browser isolation
    • CASB

Which should you pick?

Choose Splunk Enterprise Security if

  • You need security monitoring.
  • You work on Web, Api.
  • You also want incident review.
Splunk Enterprise Security review

Choose Zscaler Internet Access if

  • You need secure web gateway.
  • You work on Web, Desktop, Mobile.
  • You also want cloud firewall.
Zscaler Internet Access review

Questions people ask

Is Splunk Enterprise Security or Zscaler Internet Access better?
Neither clearly leads. Splunk Enterprise Security starts at On request and Zscaler Internet Access at $100/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Splunk Enterprise Security or Zscaler Internet Access?
Splunk Enterprise Security starts at On request and Zscaler Internet Access at $100/year.
Does Splunk Enterprise Security or Zscaler Internet Access run on more platforms?
Splunk Enterprise Security runs on Web, Api. Zscaler Internet Access runs on Web, Desktop, Mobile.
What is Splunk Enterprise Security best used for?
Splunk Enterprise Security is most often used for running a security operations centre on splunk indexed log data, correlation searches, risk based alerting and incident investigation, compliance reporting from pooled security telemetry. Of those, running a security operations centre on splunk indexed log data and correlation searches, risk based alerting and incident investigation are not what Zscaler Internet Access is typically brought in for.
What can Splunk Enterprise Security do that Zscaler Internet Access cannot?
Splunk Enterprise Security covers Security monitoring, Incident review, Risk-based alerting, Threat intelligence. Zscaler Internet Access covers Secure web gateway, Cloud firewall, URL filtering, Advanced threat protection. Both handle CrowdStrike, ServiceNow, Okta, SOC2 Type 2.

Answered from the vendors’ own pages

Splunk Enterprise Security: How much does Splunk Enterprise Security cost?

Splunk Enterprise Security pricing is not published. The product is available in Essentials Edition with threat detection, investigation, and response capabilities, and Premier Edition with UEBA, SOAR, and Automated Threat Analysis. Customers must contact Splunk sales for pricing quotes on either edition.

Source
Zscaler Internet Access: How many pricing tiers does Zscaler Internet Access offer?

Zscaler Internet Access offers two main platform bundles: the Essentials Platform (entry-level) and the Zscaler Platform (comprehensive). Specific pricing is not published online.

Source
Splunk Enterprise Security: What editions of Splunk Enterprise Security are available?

Splunk Enterprise Security offers Essentials Edition with threat detection, investigation, and response capabilities, and Premier Edition which adds UEBA (User and Entity Behavior Analytics), SOAR (Security Orchestration, Automation and Response), and Automated Threat Analysis.

Source
Zscaler Internet Access: Are there optional add-on modules available?

Yes. Zscaler offers extensive optional capabilities in five categories including Inline Cyberthreat Protection, Private Access enhancements, Data Security, Security Operations, and Zero Trust Branch.

Source
Zscaler Internet Access: How is Zscaler Zero Trust Branch priced?

Zero Trust Branch is sized by encrypted throughput (200 Mbps to 10 Gbps) or endpoint count (200 to 5,000 endpoints), with pricing varying by configuration.

Source
Zscaler Internet Access: How do I get Zscaler pricing?

Zscaler does not publish pricing online. You must request a demo or contact their sales team to receive a pricing quote.

Source
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