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Term · 27. Emerging Categories 2024-2026

Cloud Access Security Broker CASB

Analyst Concept Source: Gartner
Identity Security NHI Introduced by: Gartner

Definition

Cloud Access Security Broker (CASB) — intermediary between users and cloud services (SaaS/IaaS) providing visibility, compliance, data security, and threat protection in cloud environments. Gartner's 4 pillars: visibility (Shadow IT discovery), compliance (DLP, DRM), data security (encryption, tokenization), threat protection (UEBA).

Standards & regulations
  • NIST SP 1800-35B «Cloud Access Security Broker (CASB) identifies all cloud apps in use, enforces cloud application.»
  • NIST CSRC Glossary «CASB · cloud access security broker»