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Best CASB vendors for security teams

We rank CASB companies using a variety of factors, including API ecosystem depth, network performance, DLP accuracy, AI and LLM governance, and non-human identity security, to get you the perfect results for your company's needs.

71 companies ranked | Last updated: May 12, 2026

Which CASB vendors should buyers compare first?

Enterprise buyers should compare Palo Alto Networks, Fortinet, and Cato Networks and other ranked CASB vendors by fit, capability evidence, implementation risk, and procurement readiness. Palomarr ranks suppliers to help buyers move from a broad market scan to a practical shortlist.

For CASB, top suppliers offer comprehensive platforms with AI-driven threat detection and automated remediation, prioritizing user experience. Key considerations include cloud visibility, advanced threat protection, SSE/SASE integration, AI governance, and scalability. Verify integration, compliance, and performance to ensure a fit for your specific needs.

  • Palo Alto Networks, Cisco, and Fortinet excel in providing comprehensive cloud visibility and control, offering AI-driven security operations and real-time threat protection across diverse cloud environments. Before shortlisting, verify their specific integration capabilities with your existing systems and the scope of their advanced security features.
  • Palo Alto Networks and Fortinet offer robust AI-driven threat detection and proactive response, while Menlo Security provides unique secure browsing for advanced threat prevention. Assess their DLP engine's accuracy and how well their threat intelligence integrates with your current security posture.
  • Cato Networks and Aryaka provide unified SASE platforms that integrate CASB with networking and security, while Cisco offers comprehensive security solutions suitable for large enterprises. Confirm their commitment to Zero Trust principles and how their SSE/SASE components align with your long-term security architecture.
  • Theta Lake's AI-native platform excels in digital communications governance and compliance, while Palo Alto Networks and Fortinet leverage AI for advanced threat detection and automated remediation. Verify their capabilities for governing generative AI tools and how their automation features enhance your incident response times.

How companies earn their ranking

Capability scores for CASB vendors are heavily influenced by the depth and breadth of their API integrations with popular SaaS applications, the accuracy of their data loss prevention engines, and the performance of their network infrastructure. Innovation scores reflect a vendor's investment in emerging areas like AI governance, non-human identity security, and unified SSE architectures.

Vendors who excel in these areas demonstrate a commitment to addressing the evolving threat landscape.Top-ranked CASB companies typically offer a comprehensive platform that extends beyond basic visibility and control, providing advanced capabilities like AI-driven threat detection and automated remediation. These vendors prioritize user experience, ensuring that security policies don't negatively impact productivity.

To improve their ranking, vendors should focus on expanding their API ecosystem, enhancing their AI governance capabilities, and integrating their CASB solution with other security tools.

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Want the full picture? Palomarr Insights explores the CASB space in depth and visualizes the companies based on metrics.
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Rankings

1
Best Overall Best Value
9.8 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.9 Innovation 9.7
2
Best for Enterprise
9.7 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.8
3
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.7 Innovation 9.5
4
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.5 Innovation 9.7
5
9.5 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.4
6
9.4 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.5
7
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.4 Innovation 9.2
8
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.2 Innovation 9.4
9
Best for SMB Best for Mid-market
9.2 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.1
10
9.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.0 Innovation 9.2

Meet the leaders

Discover what makes each company unique. Use filters to narrow by your needs, or Find your perfect match to get personalized rankings tailored to your exact requirements.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

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Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Palo Alto Networks excels in CASB with its AI-driven security operations and real-time cloud security, making it ideal for enterprises focused on advanced threat protection.

Pricing posture

Premium pricing level reflects its advanced capabilities.

Implementation/integration fit

Moderate implementation difficulty suits mid-market and enterprise customers.

What to verify

Verify integration requirements and specific service scope.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Fortinet's AI-driven security architecture enhances its CASB capabilities, appealing to large enterprises needing proactive threat detection and response.

Pricing posture

Premium pricing level reflects its advanced security features.

Implementation/integration fit

Moderate implementation difficulty fits a wide range of enterprise customers.

What to verify

Verify integration with existing systems and compliance certifications.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

Why it’s ranked

Cato Networks offers a unified SASE platform that integrates CASB functionalities, making it suitable for enterprises needing comprehensive security and networking solutions.

Pricing posture

Moderate pricing level aligns with its integrated service offerings.

Implementation/integration fit

Complex implementation may challenge SMBs but suits larger enterprises.

What to verify

Verify deployment timelines and specific security feature details.

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

  • Lorem ipsum
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  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum
  • Lorem ipsum

Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

I

97% match

Website

A contact center with collaboration features goes beyond just basic communication channels. It equips agents with tools to work together seamlessly.

This can involve features like real-time chat with colleagues, easy access to shared knowledge bases, and even the ability to consult with supervisors during a call. By fostering teamwork, these contact centers aim to improve agent efficiency, resolve customer issues faster, and ultimately provide a better overall customer experience.

Learn more

Key differentiators

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  • Lorem ipsum
  • Lorem ipsum
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Capabilities

8.6

Innovation

9.1

Easy support

Easy ease of implementation

Low cost $

See how CASB suppliers stack up

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Capabilities Innovation

Explore CASB

Learn more about CASB, including its history, how it helps customers, and where the field is headed in the future.

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Read the buyer's guide

Get expert advice on evaluating CASB solutions, including key capabilities, evaluation criteria, and market trends.

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