Zscaler Internet Access
Data loss prevention (DLP) software
Firewall software
Network sandboxing software
Software-defined perimeter (SDP) software
Secure web gateways
Cloud security software
Data security software
Network security software
Web security software
Zero trust platforms
Business security software
Secure service edge (SSE) solutions
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What is Zscaler Internet Access
Zscaler Internet Access (ZIA) is a cloud-delivered secure web gateway and security service edge (SSE) component that controls and secures user access to the public internet and SaaS applications. It is used by IT and security teams to enforce web security policies, inspect traffic, and reduce exposure to web-borne threats for on-network and remote users. The service provides inline traffic inspection with policy controls such as URL filtering, cloud firewall capabilities, and optional data protection features like DLP and sandboxing. It is typically deployed by forwarding user traffic to the Zscaler cloud via agents, tunnels, or proxy chaining rather than relying on on-premises web gateways.
Cloud-delivered web security
ZIA delivers secure web gateway functions from the cloud, which can simplify protection for remote and roaming users compared with appliance-based approaches. It supports policy enforcement for web and SaaS access without requiring users to be on a corporate network. Centralized policy management helps standardize controls across locations and user groups.
Inline threat prevention controls
The platform includes web security controls such as URL/category filtering and malware protection, with options for advanced inspection and sandboxing for suspicious content. Inline inspection enables enforcement decisions at the time of access rather than relying only on endpoint detection. These capabilities are relevant for reducing web-borne threats and risky browsing behavior.
Integrated data protection options
ZIA can be configured with data protection capabilities such as DLP policies to detect and control sensitive data movement over web channels. This supports use cases like preventing uploads of regulated data to unsanctioned web apps or file-sharing sites. Integration of web security and data controls can reduce the need to stitch together separate point tools for these specific web egress paths.
Scope limited to web egress
ZIA primarily focuses on securing internet and SaaS access paths; it is not a complete data security program by itself. Organizations often still need additional controls for data at rest, data discovery/classification, endpoint channels, and internal application access. Buyers comparing broader data security platforms should validate which data locations and exfiltration vectors are covered.
Deployment and tuning effort
Implementations typically require traffic forwarding design (agent, GRE/IPsec tunnels, PAC files, or proxy chaining) and careful policy tuning. SSL/TLS inspection and application exceptions can add operational overhead and require coordination with privacy, legal, and endpoint teams. Misconfiguration can lead to user experience issues or gaps in inspection coverage.
Feature packaging and cost complexity
Capabilities such as advanced threat protection, sandboxing, and DLP are commonly licensed as add-ons or higher tiers, which can complicate budgeting and comparisons. Total cost depends on which inspection features are enabled and how broadly they are applied across users and traffic types. Organizations should validate which controls are included in their edition and what is required for their compliance objectives.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Essentials Platform (includes Secure Internet Access / ZIA standard) | Contact sales / Custom subscription pricing | Includes Secure Internet Access (SWG), Private Access (for 5% of users), standard versions: Digital Experience, Data Security (alert-only), Sandbox, Firewall, Cyber Isolation, Zero Trust for Workloads (1 GB/user/month). Package sizing available by throughput and endpoint counts; pricing not published on site. |
| Zscaler Platform (full SASE/SSE bundle — includes ZIA) | Contact sales / Custom subscription pricing | Full internet access, Private Access for all users, inline Data Security across web and apps. Includes advanced data security/isolation features and configurable isolation quotas; package sizing tiers listed (Small up to 200 Mbps, Medium up to 400 Mbps, Large up to 1 Gbps, XL up to 10 Gbps). Pricing not published on site. |
| Zscaler Internet Access (ZIA) — standalone product | Contact sales / Custom subscription pricing | Product-level features: Secure Web Gateway (SWG), CASB, Cloud DLP, Cloud Firewall & IPS, Sandbox, Zero Trust Browser, Digital Experience Monitoring. ZIA is offered via subscription and pricing is tailored to number of users, deployment scale, and selected add-ons; no public per-user or per-month prices are published. |
Seller details
Zscaler, Inc.
San Jose, CA, USA
2007
Public
https://www.zscaler.com/
https://x.com/zscaler
https://www.linkedin.com/company/zscaler/
