SASE & Zero Trust · Head-to-Head

Fortinet FortiSASE vs Palo Alto Prisma Access

Fortinet FortiSASE and Palo Alto Prisma Access are both sase & zero trust solutions. Fortinet FortiSASE converged SASE platform powered by FortiOS with competitive pricing and integrated SD-WAN, while Palo Alto Prisma Access enterprise SASE platform extending Palo Alto's next-gen firewall to cloud-delivered security. The best choice depends on your organization's size, technical requirements, and budget.

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The Verdict

Choose Fortinet FortiSASE if most competitive pricing makes enterprise SASE accessible to mid-market is your priority and mid-market and large enterprises with existing Fortinet infrastructure that want SASE with integrated SD-WAN at competitive pricing. Choose Palo Alto Prisma Access if seamless policy extension for existing Palo Alto NGFW customers matters most and enterprises already invested in Palo Alto Networks firewalls that want to extend their security policies to a cloud-delivered SASE architecture.

Tried Fortinet FortiSASE or Palo Alto Prisma Access? Drop a quick rating.

Feature-by-Feature Comparison

FeaturePalo Alto Prisma AccessFortinet FortiSASE
PricingCustom enterprise pricing / Per-user or per-Mbps modelsCustom pricing / Per-user tiers starting lower than Zscaler
Pricing ModelPer-user or bandwidth-based annual subscriptionPer-user annual subscription with tiered bundles
Open SourceNoNo
DeploymentCloudCloud
Best ForEnterprises already invested in Palo Alto Networks firewalls that want to extend their security policies to a cloud-delivered SASE architectureMid-market and large enterprises with existing Fortinet infrastructure that want SASE with integrated SD-WAN at competitive pricing
FortiOS-powered cloud securityNot availableSupported
Integrated SD-WAN with application st...Not availableSupported
Zero Trust Network Access (ZTNA)Not availableSupported

When to Choose Each Tool

Choose Palo Alto Prisma Access when:

  • +You value seamless policy extension for existing Palo Alto NGFW customers
  • +You value zTNA 2.0 provides continuous trust verification beyond initial authentication
  • +You value comprehensive SASE stack with integrated SD-WAN (Prisma SD-WAN)
  • +You want to avoid smaller global PoP footprint than Zscaler and Cloudflare
  • +You want to avoid cloud-native capabilities less mature than purpose-built cloud SASE platforms

Choose Fortinet FortiSASE when:

  • +You value most competitive pricing makes enterprise SASE accessible to mid-market
  • +You value consistent FortiOS experience for existing Fortinet customers
  • +You value industry-leading SD-WAN natively integrated into the SASE platform
  • +You want to avoid most expensive SASE option with complex licensing and add-on costs
  • +You want to avoid not truly cloud-native — evolved from on-prem firewall architecture

Pros & Cons Comparison

Palo Alto Prisma Access

Pros

  • +Seamless policy extension for existing Palo Alto NGFW customers
  • +ZTNA 2.0 provides continuous trust verification beyond initial authentication
  • +Comprehensive SASE stack with integrated SD-WAN (Prisma SD-WAN)
  • +Strong threat prevention leveraging Palo Alto's Unit 42 threat intelligence
  • +Unified management for on-prem firewalls and cloud-delivered security

Cons

  • Most expensive SASE option with complex licensing and add-on costs
  • Not truly cloud-native — evolved from on-prem firewall architecture
  • Management complexity with multiple consoles (Panorama, Strata Cloud Manager)
  • Less compelling for organizations without existing Palo Alto investment
  • SD-WAN acquired (CloudGenix) and still being fully integrated

Fortinet FortiSASE

Pros

  • +Most competitive pricing makes enterprise SASE accessible to mid-market
  • +Consistent FortiOS experience for existing Fortinet customers
  • +Strong SD-WAN natively integrated into the SASE platform
  • +FortiGuard Labs provides massive threat intelligence from global install base
  • +Single management console for SASE and on-prem FortiGate firewalls

Cons

  • Smaller global PoP footprint than Zscaler and Cloudflare
  • Cloud-native capabilities less mature than purpose-built cloud SASE platforms
  • CASB and DLP features are less granular than Netskope or Zscaler
  • Architecture evolved from on-prem appliances rather than built for cloud
  • ZTNA capabilities lag behind Zscaler ZPA in maturity and scale

Sources & References

  1. Fortinet FortiSASE — Official Website & Documentation[Vendor]
  2. Palo Alto Prisma Access — Official Website & Documentation[Vendor]
  3. Fortinet FortiSASE Reviews on G2[User Reviews]
  4. Palo Alto Prisma Access Reviews on G2[User Reviews]
  5. Fortinet FortiSASE Reviews on TrustRadius[User Reviews]
  6. Palo Alto Prisma Access Reviews on TrustRadius[User Reviews]
  7. Fortinet FortiSASE Reviews on PeerSpot[User Reviews]
  8. Palo Alto Prisma Access Reviews on PeerSpot[User Reviews]
  9. Gartner Magic Quadrant for Single-Vendor SASE 2024[Analyst Report]
  10. Gartner Magic Quadrant for Security Service Edge 2024[Analyst Report]
  11. Forrester Wave: Zero Trust Network Access, Q3 2023[Analyst Report]
  12. IDC MarketScape: Worldwide SASE 2024[Analyst Report]
  13. CISA Zero Trust Maturity Model[Government Standard]
  14. Gartner Peer Insights: SSE[Peer Reviews]

Fortinet FortiSASE vs Palo Alto Prisma Access FAQ

Quick answers for teams evaluating Fortinet FortiSASE vs Palo Alto Prisma Access.

What is the main difference between Fortinet FortiSASE and Palo Alto Prisma Access?

Fortinet FortiSASE and Palo Alto Prisma Access are both sase & zero trust solutions. Fortinet FortiSASE converged SASE platform powered by FortiOS with competitive pricing and integrated SD-WAN, while Palo Alto Prisma Access enterprise SASE platform extending Palo Alto's next-gen firewall to cloud-delivered security. The best choice depends on your organization's size, technical requirements, and budget.

Is Palo Alto Prisma Access better than Fortinet FortiSASE?

Choose Fortinet FortiSASE if most competitive pricing makes enterprise SASE accessible to mid-market is your priority and mid-market and large enterprises with existing Fortinet infrastructure that want SASE with integrated SD-WAN at competitive pricing. Choose Palo Alto Prisma Access if seamless policy extension for existing Palo Alto NGFW customers matters most and enterprises already invested in Palo Alto Networks firewalls that want to extend their security policies to a cloud-delivered SASE architecture.

How much does Palo Alto Prisma Access cost compared to Fortinet FortiSASE?

Palo Alto Prisma Access starts at Custom enterprise pricing / Per-user or per-Mbps models (per-user or bandwidth-based annual subscription). Fortinet FortiSASE starts at Custom pricing / Per-user tiers starting lower than Zscaler (per-user annual subscription with tiered bundles). As always, the sticker price only tells part of the story. Factor in add-ons, implementation costs, and what's actually included at each tier.

Can I migrate from Fortinet FortiSASE to Palo Alto Prisma Access?

It depends on how deeply Fortinet FortiSASE is embedded in your stack. Most teams run both in parallel for a few weeks before cutting over. Check whether Palo Alto Prisma Access supports importing your existing configs or policies. That's usually the biggest time sink.