Zscaler
Cloud-native SASE and zero trust platform for secure internet and private application access
ToolSASE & Zero TrustCloud
Pricing: Custom enterprise pricing / Per-user subscription
Reviewed by the Cyber Vendor Guide editorial team against the public sources cited below · Last reviewed February 2026 · How we review listings
What is Zscaler?
Zscaler is one of the largest inline cloud security platform, delivering Secure Access Service Edge (SASE) and zero trust connectivity to enterprises globally. Built on a purpose-built cloud architecture with over 150 data centers worldwide, Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) inspect all traffic. Including encrypted TLS/SSL. To enforce security policies, prevent data loss, and block threats without the latency and complexity of legacy appliance-based architectures. Zscaler eliminates the need for VPNs, firewalls at branch offices, and traditional network security stacks by routing all user traffic through its global cloud for inspection and policy enforcement.
Best for: Cloud-native SASE and zero trust platform for secure internet and private application access
Pros
- Large global cloud with 150+ data centers for low-latency inspection
- True inline inspection of all traffic including encrypted TLS/SSL
- Eliminates VPNs and reduces attack surface with zero trust architecture
- Comprehensive platform covering SWG, ZTNA, CASB, and DLP
- Proven at scale with Fortune 500 enterprises and millions of users
Things to check
- Premium pricing puts it out of reach for SMBs and mid-market
- Complex deployment and configuration for large enterprises
- Vendor lock-in with proprietary architecture and limited interoperability
- ZPA and ZIA sold as separate products, increasing total cost
- Limited customization compared to building with best-of-breed point solutions
Reported in public reviews and vendor documentation. See sources below.
Key Features
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Sources & references
Where the information on this listing comes from. Always verify pricing and capabilities against the vendor before a purchasing decision.
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Key facts
- Pricing
- Custom enterprise pricing / Per-user subscription
- Model
- Per-user annual subscription
- Founded
- 2007
- Cloud
- Yes
- Self-hosted
- No
Zscaler Alternatives
- NetskopeCloud-native SASE platform with CASB and granular SaaS visib...
- Cloudflare Zero TrustDeveloper-friendly zero trust platform built on Cloudflare's...
- Palo Alto Prisma AccessEnterprise SASE platform extending Palo Alto's next-gen fire...
- Fortinet FortiSASEConverged SASE platform powered by FortiOS with competitive ...
- Cisco Secure AccessCisco's unified SASE platform converging Umbrella, Duo, and ...
Where Zscaler appears
Guides
Shortlists
Certifications
FedRAMP, SOC 2 Type II, ISO 27001