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Zscaler Cloud Access Security Broker (CASB) is a commercial cloud access security broker tool by Zscaler. Fortra CASB is a commercial cloud access security broker tool by Fortra. Compare features, ratings, integrations, and community reviews side by side to find the best cloud access security broker fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Mid-market and enterprise security teams drowning in SaaS sprawl need Zscaler Cloud Access Security Broker for its inline proxy architecture that catches threats in motion without forcing users through a VPN bottleneck. The platform covers both real-time API inspection and data at rest scanning across Microsoft 365, Salesforce, and AWS, hitting NIST PR.DS and DE.CM functions hard. Skip this if your organization runs primarily on-premises applications or lacks the cloud adoption density to justify a dedicated CASB; you'll overpay for capabilities you don't need.
Mid-market and enterprise security teams drowning in shadow SaaS will find real value in Fortra CASB's ability to surface and control unapproved cloud apps before they become data leaks. The platform maps application risk across your entire cloud footprint and enforces access policies at the gateway, covering both the ID.AM asset visibility and PR.AA access control that most organizations botch on SaaS. Skip this if your cloud adoption is still shallow or you need DLP and threat intelligence layered in; Fortra CASB is intentionally focused on discovery and access governance, not the full data-centric stack.
CASB for securing SaaS and IaaS with inline and out-of-band protection
Cloud Access Security Broker for monitoring and securing cloud application usage
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Common questions about comparing Zscaler Cloud Access Security Broker (CASB) vs Fortra CASB for your cloud access security broker needs.
Zscaler Cloud Access Security Broker (CASB): CASB for securing SaaS and IaaS with inline and out-of-band protection. built by Zscaler. headquartered in United States. Core capabilities include Inline real-time security with proxy architecture and TLS/SSL inspection, Out-of-band API-based scanning for data at rest, Shadow IT discovery across cloud applications..
Fortra CASB: Cloud Access Security Broker for monitoring and securing cloud application usage. built by Fortra. headquartered in United States..
Both serve the Cloud Access Security Broker market but differ in approach, feature depth, and target audience.
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