What is CASB and how it works?

What is CASB and how it works?
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Table Of Content

  • Introduction
  • What is CASB?
  • How does CASB work?
  • Features of CASB
    1. Data Discovery and Classification
    2. Access Control
    3. Threat Protection
    4. Compliance Management
    5. Activity Monitoring
  • Conclusion


As businesses increasingly rely on cloud applications and services, the need for better visibility and control over data flowing between cloud and on-premises environments has become more critical than ever. That's where Cloud Access Security Broker (CASB) comes into play. In this blog, we will explore what CASB is and how it works.

What is CASB?

CASB is a security solution that enables organizations to monitor and control data movement between on-premises devices and cloud services. The primary function of a CASB solution is to provide visibility into the usage of cloud services and enforce security policies to protect data stored in the cloud.

How does CASB work?

CASB solutions work by intercepting and analyzing network traffic between on-premises and cloud environments. The solution then applies security policies to the traffic to ensure that sensitive data is protected. CASB solutions can be deployed in two ways: as a standalone solution or as a part of a larger security framework.

The standalone CASB solution offers an integrated approach to data protection by providing a single pane of glass to view and manage security policies. In contrast, the integrated solution uses a cloud security gateway or other security tools to monitor and control data flowing between cloud and on-premises environments.

Features of CASB

  1. Data Discovery and Classification - A CASB solution can scan cloud services to discover and classify sensitive data stored in the cloud, including personally identifiable information (PII) and intellectual property (IP).

  1. Access Control - CASB solutions can enforce access control policies based on user, device, and location. These policies ensure that only authorized users can access cloud services and data.

  1. Threat Protection - CASB solutions can detect and respond to threats, including malware, data leakage, and unauthorized access.

  1. Compliance Management - CASB solutions can enforce compliance with data protection regulations, such as GDPR and HIPAA.

  1. Activity Monitoring - CASB solutions can monitor user activities in real-time and generate alerts when suspicious behavior is detected.


CASB is a powerful solution that provides organizations with visibility and control over their cloud environment. It enables businesses to detect and respond to security threats, enforce compliance, and protect sensitive data stored in the cloud. In today's world, where organizations are increasingly relying on cloud services, a CASB solution is becoming a must-have for all businesses. If you are looking for a CASB solution for your business, contact CyberNX today. Our team of experts can help you implement a CASB solution that meets your business needs.

Author - Rutuja

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