CASB: Cloud Access Security Broker in Cybersecurity
Rhymes with 'has-bee'.
CASB stands for Cloud Access Security Broker. A cloud access security broker sits between users and cloud services to enforce security policies. CASBs detect shadow IT, apply data loss prevention rules, and control access across SaaS applications.
How CASB Is Used in Cybersecurity
Security teams deploy CASBs to gain visibility into unsanctioned cloud app usage. The broker inspects traffic in real time and blocks policy violations like unauthorized file sharing. CASBs are a core component of SASE and zero trust architectures.
Read the full glossary entry: Cloud Access Security Broker in Cybersecurity
Cybersecurity Roles That Work with CASB
Related Cybersecurity Acronyms
Frequently asked questions
What does CASB stand for?
CASB stands for Cloud Access Security Broker. A cloud access security broker sits between users and cloud services to enforce security policies. CASBs detect shadow IT, apply data loss prevention rules, and control access across SaaS applications.
What is CASB used for in cybersecurity?
Security teams deploy CASBs to gain visibility into unsanctioned cloud app usage. The broker inspects traffic in real time and blocks policy violations like unauthorized file sharing. CASBs are a core component of SASE and zero trust architectures.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.