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12/06/2026 12:33 am
TL;DR: SASE centralises network access and security controls for distributed users, while CASB focuses on cloud app visibility, data protection, compliance, and shadow IT discovery, according to Zluri. For identity teams, the choice is less about feature overlap and more about whether the gap is access-path control or cloud data governance.
NHIMG editorial — based on content published by Zluri: Security & Compliance SASE vs. CASB: Which is the Suitable Security Solution?
Questions worth separating out
Q: How should teams decide between SASE and CASB for hybrid work security?
A: Choose SASE when the main problem is secure access, network control, and consistent policy enforcement across locations.
Q: Why does CASB matter for IAM teams?
A: CASB matters because IAM does not stop at authentication.
Q: What breaks when organisations rely only on SASE?
A: The main failure is assuming secure access equals secure usage.
Practitioner guidance
- Separate access-path and use-path controls Map SASE to secure connectivity and CASB to cloud app governance.
- Inventory shadow IT with cloud-usage evidence Use CASB discovery to identify unsanctioned cloud services, then tie findings back to identity ownership, data sharing patterns, and approval paths for remediation.
- Align Zero Trust policies to both layers Make sure continuous verification applies at the edge and that cloud data controls enforce the rules after login.
What's in the full article
Zluri's full blog post covers the operational detail this post intentionally leaves for the source:
- Its side-by-side feature comparison for SASE and CASB across deployment, visibility, and compliance use cases.
- Its longer breakdown of SASE pros and cons, including migration complexity and integration planning.
- Its CASB examples for shadow IT discovery, DLP, adaptive access, and cloud compliance reporting.
- Its comparison table that helps teams translate the concepts into tool-selection discussions.
👉 Read Zluri's comparison of SASE and CASB for hybrid work security →
SASE vs CASB: which control gaps do IAM teams miss?
Explore further
12/06/2026 9:52 am
Hybrid-work security fails when organisations treat access control and cloud governance as one problem. SASE and CASB split that problem cleanly, but many programmes still buy for the wrong layer. SASE manages access paths and network mediation, while CASB governs cloud activity, shadow IT, and data handling. The implication is that identity teams must stop assuming a single control plane can cover both access and use.
A few things that frame the scale:
- 85% of organisations lack full visibility into third-party vendors connected via OAuth apps, according to The State of Non-Human Identity Security.
- That same research found that lack of credential rotation is cited as the top cause of NHI-related attacks by 45% of organisations, ahead of inadequate monitoring and logging at 37%.
A question worth separating out:
Q: What is the difference between SASE and CASB in practice?
A: SASE is an access and connectivity architecture, while CASB is a cloud application governance and data protection layer. In practice, SASE shapes the route into resources and CASB shapes what identities can do once they are in the cloud environment. They solve adjacent but distinct problems.
👉 Read our full editorial: SASE vs CASB: what each controls in hybrid work security
