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Head-to-head · Cloud Access Security Broker Software

Zscaler CASB vs FortiCASB

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Zscaler CASB #6 in Cloud Access Security Broker Software 8.9/10 Pricing on request ✓ 5 of 5 features Visit Zscaler
FortiCASB #8 in Cloud Access Security Broker Software 8.7/10 Pricing on request ✓ 4 of 5 features Visit FortiCASB

Zscaler CASB leads on 1 check, FortiCASB on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZscaler CASB · 8.9/10
  • Most featuresZscaler CASB · 5 of 5

Zscaler CASB scores higher on our rubric for cloud access security broker software: 8.9 against 8.7 out of 10; our editors rank them #6 and #8.

On deployment model, Zscaler CASB gives you Hybrid where FortiCASB offers Api. Zscaler CASB offers inline controls; FortiCASB doesn't.

Zscaler CASB is the better fit for businesses standardizing on proxy-based CASB. FortiCASB is the better fit for API-centric CASB with many SaaS connectors.

  • Zscaler CASB fits best

    Businesses standardizing on proxy-based CASB

  • FortiCASB fits best

    API-centric CASB with many SaaS connectors

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Zscaler CASB 8.9/10 Visit ↗ FortiCASB 8.7/10 Visit ↗
At a glance
Editor score 8.9 8.7
Ranking #6 in Cloud Access Security Broker Software #8 in Cloud Access Security Broker Software
Best for Businesses standardizing on proxy-based CASB API-centric CASB with many SaaS connectors
Pricing model Paid Paid
Starting price — Pricing on request
Free plan — Not checked yet
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Phone, Tickets, Community, Docs · 24/7 Email, Phone, Community, Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS SOC 2, ISO 27001, GDPR, HIPAA
Integrations 150+ integrations 20 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Zscaler CASB 5/5 · FortiCASB 4/5
Inline controls ✓ (best) —
API-based controls ✓ ✓
DLP controls ✓ ✓
Shadow IT discovery ✓ ✓
Threat detection ✓ ✓
Specs
Deployment model Hybrid Api
App connectors Not checked yet Not checked yet
Our review
Pros
  • Combines inline TLS/SSL inspection with out-of-band SaaS and cloud API scanning
  • Covers shadow IT discovery, DLP, malware protection, and risky file-share remediation
  • Adds tenant, application, category controls plus compliance visibility and reporting
  • Connects to SaaS apps through APIs, OAuth, and service accounts
  • Combines DLP, threat detection, posture assessment, and compliance reporting
  • Monitors identities, activity, entitlements, sensitive data, and file exposure
Cons
  • CASB pricing follows a contact-sales model
  • There is no free plan
  • Its broad control set may exceed the needs of narrowly focused teams
  • Does not provide inline controls within FortiCASB itself
  • Pricing requires contacting sales
  • Licensing depends on protected users and data-scanning capacity
Our verdict

Zscaler CASB is a cloud-delivered cloud access security broker for organizations securing SaaS and IaaS environments. It is designed for businesses that want proxy-based controls across sanctioned and unsanctioned cloud applications, with…

Read the review →

FortiCASB is Fortinet’s cloud-delivered Cloud Access Security Broker for organizations managing SaaS applications and cloud services. It is aimed at medium-sized and large cloud-service deployments that need API-based visibility, data…

Read the review →
  1. Zscaler CASBCloud Access Security Broker Software 8.9Pricing on request
  2. FortiCASBCloud Access Security Broker Software 8.7Pricing on request

Strengths and trade-offs

  • Zscaler CASB — where it wins

    • Combines inline TLS/SSL inspection with out-of-band SaaS and cloud API scanning
    • Covers shadow IT discovery, DLP, malware protection, and risky file-share remediation
    • Adds tenant, application, category controls plus compliance visibility and reporting

    Where it doesn't

    • CASB pricing follows a contact-sales model
    • There is no free plan
    • Its broad control set may exceed the needs of narrowly focused teams

  • FortiCASB — where it wins

    • Connects to SaaS apps through APIs, OAuth, and service accounts
    • Combines DLP, threat detection, posture assessment, and compliance reporting
    • Monitors identities, activity, entitlements, sensitive data, and file exposure

    Where it doesn't

    • Does not provide inline controls within FortiCASB itself
    • Pricing requires contacting sales
    • Licensing depends on protected users and data-scanning capacity
  • Zscaler CASB8.9/10 · Pricing on request

    A broad, proxy-based CASB for inline inspection, API scanning, DLP, and cloud threat protection.

    Visit ZscalerFull verdict →
  • FortiCASB8.7/10 · Pricing on request

    An API-centric CASB for SaaS visibility, DLP, threat detection, and remediation.

    Visit FortiCASBFull verdict →

More comparisons

All cloud access security broker software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update