What is a
Cloud Access Security
Broker (CASB)?

Cloud Access Security Broker (CASB)

Cloud Access Security Broker (CASB) is a specialized security solution designed to provide organizations with visibility and control over their cloud services. It acts as an intermediary between users and cloud service providers, extending security policies and enforcing them consistently across multiple cloud platforms. CASBs offer a centralized approach to managing security, helping organizations mitigate risks associated with cloud adoption.

Key Features of CASB

Visibility and Discovery

Visibility and Discovery: CASBs provide deep visibility into cloud usage across the organization. They enable IT administrators to discover shadow IT and unsanctioned cloud applications used by employees, allowing for better control and management of cloud services.

Data Loss Prevention (DLP)

Data Loss Prevention (DLP): CASBs help prevent data breaches by implementing policies that monitor and control the movement of sensitive data within the cloud environment. They can detect and block unauthorized sharing, ensure encryption is enforced, and apply access controls to prevent data leakage.

Access Control and Identity Management

Access Control and Identity Management: CASBs integrate with existing identity and access management systems to ensure that only authorized individuals can access cloud resources. They enforce multi-factor authentication, single sign-on (SSO), and provide granular access controls based on user roles, devices, and locations.

Threat Protection

CASBs employ advanced threat detection and prevention mechanisms to safeguard against cloud-specific threats such as malware, ransomware, and account compromises. They leverage machine learning and behavioral analytics to identify anomalous activities and take proactive measures to mitigate risks.

Compliance and Governance

CASBs assist organizations in maintaining regulatory compliance in cloud environments. They offer features such as data classification, policy enforcement, and auditing capabilities to ensure adherence to industry-specific regulations and standards.

What Are Some of the Shortcomings of CASB in SaaS Security?

While CASB (Cloud Access Security Broker) solutions provide valuable security and control over SaaS (Software as a Service) applications, they also have a few shortcomings that are important to consider. Here are some common CASB limitations for SaaS environments:

Complexity of Implementation

Implementing CASB can be a complex process, requiring integration with various SaaS applications and platforms. It may involve configuring APIs, establishing connections, and ensuring compatibility with different cloud providers. This complexity can result in longer deployment times and increased resource requirements.

Limited Coverage

CASB solutions may not offer comprehensive coverage for all SaaS applications. Some CASB vendors prioritize integrating with popular SaaS platforms, which means that lesser-known or custom applications may not be fully supported. This can leave potential security gaps if organizations heavily rely on specific SaaS applications that are not fully compatible with their chosen CASB solution.




The Ultimate SaaS Security Checklist 2025 Edition


The Annual SaaS Security Survey Report: Plans and Priorities for 2024


The Step-by-step Guide to Kickstarting Your SaaS Security Program