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CASB market map and supplier insights Q2 2026

The Cloud Access Security Broker (CASB) market has fundamentally transformed, moving from a standalone solution to a core component of the broader Secure Service Edge (SSE) framework. This evolution is driven by the pervasive shift of corporate data to SaaS and IaaS environments, dissolving traditional network perimeters and creating new security challenges.

Organizations face a significant "Confidence Gap," with high reported confidence in SaaS security contrasting sharply with frequent security incidents, often exacerbated by the rapid growth of Shadow IT and the emerging risks of Shadow AI. Modern CASB solutions are critical for addressing these challenges, offering essential capabilities like multi-mode deployment, Shadow IT discovery, and adaptive access control.

However, leading vendors differentiate themselves through innovation in areas such as GenAI governance, advanced data fingerprinting, and integrated SaaS Security Posture Management (SSPM). The selection of a CASB is a high-stakes decision, impacting security, compliance, and user productivity, with potential for significant financial and operational consequences if an inadequate solution is chosen.

Procurement teams must prioritize vendors with robust network performance, deep integration capabilities, and a clear SASE roadmap. The future of CASB is characterized by AI-driven automation for threat detection and policy remediation, alongside the imperative to govern generative AI tools. Successful implementation requires a phased approach, careful consideration of total cost of ownership, and a focus on key performance indicators like Shadow IT reduction and breach detection time.

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17 companies analyzed | Last updated Apr 22, 2026
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Palomarr Insights / Q2 2026

CASB

What does the latest CASB market report show?

The Q2 2026 Palomarr Insights report maps 17 CASB suppliers by market position, supplier scores, and category signals. Buyers can use it to understand the market before comparing vendors or building an RFP shortlist.

Palomarr Orbit

Unlike static analyst charts, Palomarr Orbit plots 17 CASB companies by Capabilities and Innovation, then lets you shift the center of gravity based on your priorities with Palomarr Orbit Shift. The closer to your unique core, the better the fit.

Palomarr Orbit Shift

 Orbit Shift
Contenders
Leaders
Emerging
Challengers
CAPABILITIES →
INNOVATION ↑

Introduction

The enterprise security landscape has fundamentally shifted with the widespread adoption of cloud services. Traditional perimeter defenses are no longer sufficient as corporate data resides increasingly in SaaS and IaaS environments. Cloud Access Security Brokers (CASBs) have emerged as essential security checkpoints, enforcing policies between cloud consumers and providers.

This guide explores the CASB market, its evolution, and its integration into broader Secure Service Edge (SSE) and Secure Access Service Edge (SASE) frameworks.

Category evolution and characteristics

The CASB category originated around 2012 to address visibility gaps created by 'Shadow IT'—unsanctioned cloud application usage. Its evolution spans three eras: initial log-based discovery, the rise of API-based and multi-mode architectures for data-at-rest scanning and BYOD support, and its current convergence into SSE.

Modern CASBs are characterized by a Zero Trust approach, continuous verification, and a growing focus on AI-driven governance and automation to manage risks from generative AI tools.

Market landscape

Organizations face a significant 'Confidence Gap' in cloud security, with many experiencing incidents despite high reported confidence. The proliferation of Shadow IT, including unsanctioned generative AI tools, poses substantial financial risks. Breaches involving ungoverned AI can add hundreds of thousands to breach costs, and the global average cost of a data breach is projected to reach $5M in 2025.

Time is also critical, as organizations that detect and contain breaches faster save millions.

Quadrant distribution

Companies are evaluated on two dimensions: Capabilities measure product depth and maturity, while Innovation reflects forward-thinking investments. The combined score shows overall market position.

$10M US average breach cost (2025)
$670,000 Shadow AI breach premium
72% Breaches involving cloud data

Key trends

SSE convergence

Standalone CASB solutions are increasingly integrated into unified Secure Service Edge platforms. This consolidation combines CASB with Secure Web Gateway (SWG) and Zero Trust Network Access (ZTNA) for comprehensive cloud security.

AI-driven governance

Vendors are leveraging AI and machine learning to automate threat detection and policy remediation. This includes moving towards intent-based Data Loss Prevention (DLP) and addressing risks from 'Shadow AI' usage.

Zero trust adoption

The market is shifting towards a Zero Trust security model, where access is continuously verified. Policies are based on identity, device posture, and data sensitivity, rather than relying on network location.

Non-human identity security

There is a growing focus on securing OAuth tokens and API-based integrations between SaaS applications. These non-human identities are increasingly targeted by attackers to bypass traditional authentication methods.

Competitive analysis

Differentiating leaders from laggards in the CASB market involves assessing both foundational capabilities and innovative features. Table-stakes include multi-mode deployment, Shadow IT discovery, standard DLP, and adaptive access control. Leading vendors distinguish themselves with advanced capabilities such as GenAI governance, sophisticated data fingerprinting, integrated SaaS Security Posture Management (SSPM), and robust non-human identity management. Procurement teams should scrutinize vendor claims to ensure deep, remediation-capable API coverage for critical business applications.

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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Rankings

1
Palo Alto Networks
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
Cisco
Best for Enterprise
9.7 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.8
3
Fortinet
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.7 Innovation 9.5
4
Cato Networks
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.5 Innovation 9.7
5
Theta Lake
9.5 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.6 Innovation 9.4
6
Aryaka
9.4 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.5
7
Menlo Security
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.4 Innovation 9.2
8
Coro
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.2 Innovation 9.4
9
LevelBlue (AT&T)
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
Verizon
9.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.0 Innovation 9.2

Competitive assessment

Our AI-generated analysis explains what makes each top-ranked company a strong fit for CASB, based on their specific capabilities, product features, and market positioning.

1
Palo Alto Networks
Best Overall Best Value
9.8 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.9 Innovation 9.7

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.

  • AI-driven security operations
  • Comprehensive platform integration
  • Global threat intelligence capabilities
CapabilitiesInnovationImplementationSupportPrice
3
Fortinet
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.7 Innovation 9.5

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

  • AI-driven predictive security solutions
  • Integrated security and networking architecture
  • Extensive global partner ecosystem
CapabilitiesInnovationImplementationSupportPrice
4
Cato Networks
9.6 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.5 Innovation 9.7

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

  • Cloud-native security: Single platform for all security needs
  • SASE architecture: Integrates security with networking
  • Global SD-WAN: Fast & secure connections everywhere
CapabilitiesInnovationImplementationSupportPrice
6
Aryaka
9.4 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.3 Innovation 9.5

Aryaka's Unified SASE platform combines networking and security, providing a strong CASB solution for enterprises managing hybrid cloud environments.

  • Global private network
  • Improved cloud performance
  • Secure access for users
CapabilitiesInnovationImplementationSupportPrice
7
Menlo Security
9.3 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.4 Innovation 9.2

Menlo Security's secure enterprise browser solution enhances CASB capabilities by providing safe internet access and threat prevention for enterprises.

  • Cloud-delivered secure enterprise browser
  • HEAT Shield AI threat prevention
  • Zero Trust application access
CapabilitiesInnovationImplementationSupportPrice
9
LevelBlue (AT&T)
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

LevelBlue (AT&T) provides integrated cybersecurity solutions with strong threat detection, making it suitable for mid-market and enterprise customers seeking comprehensive protection.

  • Industry-Leading Expertise: Unmatched cybersecurity professionals on your team
  • Comprehensive Protection: Coverage against evolving cyber threats
  • Cost-Effective Technology: Tailored solutions to fit budget constraints
CapabilitiesInnovationImplementationSupportPrice
10
Verizon
9.1 This score was generated by combining our proprietary Capabilities and Innovation scores Capabilities 9.0 Innovation 9.2

Verizon's Managed Security Services provide tailored CASB solutions with strong monitoring capabilities, appealing to SMBs and enterprises seeking flexible security management.

  • Vendor-neutral approach for comprehensive device support
  • Advanced analytics for real-time security insights
  • Globally recognized expertise and incident response
CapabilitiesInnovationImplementationSupportPrice

Recommendations

SMB buyers

Prioritize solutions that offer strong Shadow IT discovery and basic DLP with intuitive management. Focus on ease of deployment and integration with existing, simpler IT environments to minimize operational overhead.

Mid-market buyers

Seek multi-mode CASB solutions that support both managed and unmanaged devices, with robust API integrations for core SaaS applications. Evaluate vendors based on their ability to scale and offer compliance templates relevant to your industry.

Enterprise buyers

Demand comprehensive SSE platforms with advanced GenAI governance, deep API coverage for critical applications, and a clear SASE roadmap. Prioritize vendors with global network backbones, strong identity integration, and proven capabilities in autonomous remediation and non-human identity security.

Implementation reality and TCO

A successful CASB deployment is typically a phased 90-day journey, starting with discovery and baseline establishment, moving to configuration and inline activation, then testing and enforcement, and finally optimization and SOC integration. Key factors influencing timeline include IAM maturity and the number of critical SaaS apps.

Beyond license fees, buyers must budget for implementation services (20-30% of Year 1 value), integration development, training, potential usage-based overages, and ongoing support. Red flags include significant performance latency, evasive compliance documentation, high false-positive rates, and proprietary data lock-in.

Future outlook

The CASB market will continue its integration into unified SSE platforms, emphasizing AI-driven automation and proactive governance. The rise of generative AI tools necessitates advanced capabilities for 'Shadow AI' detection and prompt inspection to prevent data leakage. Future-ready CASBs will focus on AI Security Posture Management (AI-SPM), ensuring proprietary data remains secure while leveraging AI's benefits.

The emphasis will be on platforms that offer seamless user experience, comprehensive visibility, and autonomous remediation capabilities across complex, multi-cloud environments.

About this study

This report analyzes the Cloud Access Security Broker (CASB) market, evaluating supplier capability and innovation scores based on their ability to address evolving cloud security challenges. It provides insights for procurement teams, security architects, and executive leadership.

FAQs & disclaimers

What is the primary difference between a standalone CASB and an SSE platform?

A standalone CASB focuses specifically on cloud application security, while an SSE platform unifies CASB capabilities with Secure Web Gateway (SWG) and Zero Trust Network Access (ZTNA) into a single, cloud-delivered security stack for comprehensive protection across web, cloud, and private applications.

How does CASB address 'Shadow IT'?

CASB solutions discover and monitor unsanctioned cloud applications used by employees, providing visibility into their usage, associated risks, and enabling IT to enforce policies, block access, or guide users to approved alternatives.

Is CASB still relevant given the rise of SASE?

Yes, CASB is highly relevant. Its core capabilities are now integral to SASE frameworks. Instead of being a separate product, CASB functions as a critical component within a unified SASE solution, providing essential cloud application security within a broader network and security architecture.

What are the key considerations for CASB deployment?

Key considerations include network performance impact due to inline proxies, seamless integration with existing identity and endpoint management systems, the depth of API coverage for your critical business applications, and the vendor's ability to support compliance and data residency requirements.

Disclaimer: The information contained in this report is for informational purposes only and does not constitute professional advice. Palomarr does not endorse any specific vendor or product. Buyers should conduct their own due diligence and consult with cybersecurity professionals before making purchasing decisions.

Conclusion

The CASB category has evolved from a niche solution to a foundational element of enterprise cloud security, now largely integrated into the broader Secure Service Edge (SSE) architecture. This transformation reflects the ongoing shift to cloud-first operations and the increasing complexity of securing distributed data and applications.

Organizations must recognize that a robust CASB is no longer optional but a critical enabler for maintaining security, ensuring compliance, and supporting user productivity in a cloud-centric world. Key takeaways for buyers include prioritizing solutions that offer comprehensive multi-mode deployment, advanced data protection, and innovative AI-driven governance capabilities, particularly for generative AI.

The selection process should extend beyond initial feature sets to encompass vendor stability, integration depth with existing security stacks, and a clear roadmap for future SASE convergence. Understanding the total cost of ownership, including implementation and ongoing operational overhead, is crucial for a successful and sustainable deployment.

Ultimately, success in CASB implementation is measured by tangible reductions in Shadow IT risks, faster breach detection and containment times, and effective remediation of SaaS misconfigurations. By adopting a strategic, phased approach to deployment and focusing on key performance indicators, organizations can leverage CASB solutions to build a resilient and adaptive security posture that protects against current threats and prepares for future challenges in the dynamic cloud landscape.

Take the deep dive

Explore CASB history, benefits, and future trends.

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

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