Overall Score
Counts only researched checks (YES, PARTIAL, or NO) — pending (TBD) checks are never scored as failures. Research coverage differs by vendor, so the number of answered checks per vendor can differ.
134 of 141 researched checks supported
141 of 142 checks researched · 1 still pending
141 of 142 researched checks supported
All 142 checks researched
Fortinet vs Zscaler: Key Differences
Fortinet scores 83 YES across 121 checks in 12 security topics, while Zscaler scores 99 YES. Fortinet leads in IoT/OT Device Security, SD-WAN & Branch Office, Unified Management & Reporting. Zscaler leads in 6 topics including BYOD Coverage, Digital Experience Monitoring, Ease of Deployment. They are evenly matched in 3 topics. The widest gap is in BYOD Coverage, where Zscaler scores 7/8 YES compared to Fortinet's 2/8.
Score by Topic
| Topic | Fortinet | Zscaler | Checks |
|---|---|---|---|
| AI/ML Traffic Security & Controls | 5/5 | 5/5 | 5 |
| BYOD Coverage | 2/8 | 7/8 | 8 |
| CASB & Shadow IT Discovery | 3/5 | 4/5 | 5 |
| Compliance Frameworks & Certifications | 0/5 | 5/5 | 5 |
| Digital Experience Monitoring | 5/8 | 8/8 | 8 |
| Ease of Deployment | 4/10 | 7/10 | 10 |
| Firewall as a Service (FWaaS) | 6/6 | 6/6 | 6 |
| GenAI DLP | 16/23 | 20/23 | 23 |
| Global PoP Coverage & SLA | 5/8 | 5/8 | 8 |
| IoT/OT Device Security | 5/5 | 4/5 | 5 |
| SD-WAN & Branch Office | 10/10 | 7/10 | 10 |
| Secure Web Gateway & URL Filtering | 4/5 | 5/5 | 5 |
| Threat Prevention | 11/12 | 12/12 | 12 |
| TLS Inspection on Mobile | 3/10 | 6/10 | 10 |
| Unified Management & Reporting | 8/10 | 7/10 | 10 |
| ZTNA for Private Apps | 8/12 | 11/12 | 12 |
Detailed Comparison by Topic
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Frequently Asked Questions
Is Fortinet or Zscaler better for SASE?
Where does Fortinet beat Zscaler?
Where does Zscaler beat Fortinet?
Which is better for BYOD Coverage: Fortinet or Zscaler?
Which is better for Compliance Frameworks & Certifications: Fortinet or Zscaler?
Which is better for GenAI DLP: Fortinet or Zscaler?
How is the Fortinet vs Zscaler comparison conducted?
Methodology
All answers are sourced from publicly available vendor documentation, knowledge base articles, press releases, and verified user reports. We do not rely on vendor marketing claims.
YES means the feature is confirmed working with documentation. PARTIAL means it works with significant caveats. NO means confirmed not supported. TBD means research is still in progress.