Top 10 Best Cloud Access Security Brokers (CASB) in 2025

The year 2025 marks a new era in enterprise cloud adoption, characterized by a complex tapestry of Software-as-a-Service (SaaS) applications, Infrastructure-as-a-Service (IaaS) platforms, and Platform-as-a-Service (PaaS) offerings.

While cloud services deliver unparalleled agility and scalability, they also introduce significant security blind spots and compliance challenges for organizations.

Employees are leveraging an ever-increasing number of cloud applications, often without IT oversight a phenomenon known as “Shadow IT.”

This unchecked usage can lead to data leakage, compliance violations, and exposure to sophisticated cyber threats.

This escalating complexity and risk underscore the critical need for a Cloud Access Security Broker (CASB).

A CASB acts as a security policy enforcement point, positioned between cloud users and cloud service providers, to extend an organization’s security controls to the cloud.

It provides visibility into cloud application usage, enforces data loss prevention (DLP) policies, controls access, detects threats, and ensures compliance.

The global CASB market is ...