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Head-to-head · Secure Web Gateway Software

Zscaler Internet Access vs Prisma Access

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Zscaler Internet Access #1 in Secure Web Gateway Software 9.4/10 Pricing on request ✓ 1 of 4 features Contact Zscaler
Prisma Access #5 in Secure Web Gateway Software 9.0/10 Pricing on request ✓ 0 of 4 features Contact Palo Alto

Zscaler Internet Access leads on 1 check, Prisma Access on 0, and 1 is even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZscaler Internet Access · 9.4/10
  • Most featuresZscaler Internet Access · 1 of 4

Zscaler Internet Access scores higher on our rubric for secure web gateway software: 9.4 against 9.0 out of 10; our editors rank them #1 and #5.

Zscaler Internet Access offers tls inspection; Prisma Access doesn't publish it.

Zscaler Internet Access is the better fit for mid-market and enterprise security teams. Prisma Access is the better fit for enterprises wanting SWG within a broad cloud stack.

  • Zscaler Internet Access fits best

    Mid-market and enterprise security teams

  • Prisma Access fits best

    Enterprises wanting SWG within a broad cloud stack

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Zscaler Internet Access 9.4/10 Visit ↗ Prisma Access 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in Secure Web Gateway Software #5 in Secure Web Gateway Software
Best for Mid-market and enterprise security teams Enterprises wanting SWG within a broad cloud stack
Pricing model Paid Paid
Starting price Not published Not published
Free plan — Not published
Free trial — —
Deployment Cloud Cloud
Platforms Web, Windows, macOS, Linux, iOS, Android Web
Support Phone, Tickets, Docs Tickets, Docs
Integrations 7 integrations 9 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Zscaler Internet Access 1/4 · Prisma Access 0/4
TLS inspection ✓ (best) Not published
Malware scanning Not published Not published
Data loss controls Not published Not published
Managed service Not published Not published
Specs
Deployment Cloud Not published
Policy controls Not published Not published
Our review
Pros
  • Combines URL filtering, TLS inspection, DNS security, sandboxing, and IPS
  • Adds inline DLP, CASB functionality, and browser isolation
  • Supports SIEM, SOAR, XDR, SD-WAN, and named security integrations
  • Combines URL and DNS security with threat prevention and malware analysis
  • Adds ZTNA, CASB, DLP, and remote browser isolation capabilities
  • Centralized management through Strata Cloud Manager or Panorama
Cons
  • Pricing requires a sales conversation
  • The Essentials Platform limits Data Security to alert-only
  • Standard support is 8x5; round-the-clock support is limited to some paid tiers
  • Pricing is handled through sales rather than published standard plans
  • Some capabilities depend on license edition or add-on subscriptions
  • Its broad SASE scope may exceed needs for SWG-only deployments
Our verdict

Zscaler Internet Access (ZIA) is a cloud-delivered secure web gateway and security service edge platform for organizations protecting internet and SaaS access. It routes user and device traffic through Zscaler’s cloud, making it suited to…

Read the review →

Prisma Access brings secure web gateway capabilities into Palo Alto Networks’ cloud-delivered SASE platform. It is aimed at enterprises and mid-market organizations securing remote users, branch networks, internet traffic, SaaS, and…

Read the review →
  1. Zscaler Internet AccessSecure Web Gateway Software 9.4Pricing on request
  2. Prisma AccessSecure Web Gateway Software 9.0Pricing on request

Strengths and trade-offs

  • Zscaler Internet Access — where it wins

    • Combines URL filtering, TLS inspection, DNS security, sandboxing, and IPS
    • Adds inline DLP, CASB functionality, and browser isolation
    • Supports SIEM, SOAR, XDR, SD-WAN, and named security integrations

    Where it doesn't

    • Pricing requires a sales conversation
    • The Essentials Platform limits Data Security to alert-only
    • Standard support is 8x5; round-the-clock support is limited to some paid tiers

  • Prisma Access — where it wins

    • Combines URL and DNS security with threat prevention and malware analysis
    • Adds ZTNA, CASB, DLP, and remote browser isolation capabilities
    • Centralized management through Strata Cloud Manager or Panorama

    Where it doesn't

    • Pricing is handled through sales rather than published standard plans
    • Some capabilities depend on license edition or add-on subscriptions
    • Its broad SASE scope may exceed needs for SWG-only deployments

More comparisons

All secure web gateway software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update