Cloud Access Security Broker (CASB) is a term coined by Gartner to describe a particular set of cloud security solutions that provide an integral layer of cloud cybersecurity centering around four main pillars: visibility, compliance, data security, and threat protection.
It all starts with visibility into data and applications in the cloud. This includes which users are accessing data and what devices they’re using. Being able to easily pinpoint risky data exposures and/or user behavior across all your supported cloud platforms is the first step to getting secure. CASBs help prioritize and address the resulting incidents.
Compliance - whether internally regulated or government-mandated - is an important factor CASBs help address. The right solution includes out-of-the-box and customizable policies to help your organization remain compliant with regulations such as PCI-DSS, HIPAA, HITECH, SOX, CIPA, FISMA, and FERPA.
Identifying, monitoring, and securing sensitive data are critical aspects of data security. This can be done via enablement of users to self-remediate security issues, the intervention of admins, or even file-level encryption for the most critical of assets. An effective CASB helps with all of the above while preserving application functionality.
Risk and threat protection is important for both authorized sources like internal threats and unauthorized sources such as external malicious entities. To stay ahead of today's most advanced cyberthreats, it's crucial to find exposed sensitive data, and protect your organization against account compromise and cloud-native malware.
In this commonly preferred approach to CASB, a central security application integrates directly with the cloud platforms, affording security teams maximum intelligence and control, minimal time-to-value, and a deep level of insight into all activity within the platform. In addition to its simple deployment and ability to scale with ease, this model poses no impact to end users, balancing rich incident response action with uninterrupted collaboration.
Deep API integration allows for retroactive monitoring of data already at rest in the cloud at the time of deployment, and the ability to take actions in platform (such as revoking shares or quarantining data.) This elevates a CASB from just another point solution to a flexible, multi-purpose platform that can secure the applications organizations buy and build on any SaaS, IaaS, PaaS, or IDaaS platform.
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