Best Cloud Access Security Broker (CASB) Software for Small Business

How Many Cloud Access Security Broker (CASB) Software Products Does G2 Track?

Total Products under this Category: 137

Category Stats (Oct 2026)

  • Average Rating: 4.45/5 (↓0.01 vs Sep 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: DoControl (+0.26%) - Among all products in this category, DoControl recorded the largest rating increase compared to last month

Last updated: October 16, 2026

How Does G2 Rank Cloud Access Security Broker (CASB) Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 3,000+ Authentic Reviews
  • 137+ Products
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G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Cloud Access Security Broker (CASB) Software

G2 Grid® for Cloud Access Security Broker (CASB) Software plotting products by satisfaction and market presence

Highlighted products: Prisma Saas Security, Zscaler Zero Trust Cloud, Cloudflare One (SASE), and Symantec Web Security Service.

Underlying data: [Grid® JSON](https://www.g2.com/categories/cloud-access-security-broker-casb/grids.json?focus%5B%5D=prisma-saas-security&focus%5B%5D=zscaler-zero-trust-cloud&focus%5B%5D=cloudflare-one-sase&focus%5B%5D=symantec-web-security-service&segment=small-business)

Prisma Saas Security

Prisma SaaS looks directly into SaaS applications, providing full visibility into the activities of users and data while granular controls maintain policy to eliminate data exposure and threat risks.

Average Rating: 4.4/5.0

Total Reviews: 32

How Do G2 Users Rate Prisma Saas Security?

  • Ease of Use: 8.6/10 (Category avg: 8.9/10)
  • Anomoly Detection: 8.1/10 (Category avg: 8.5/10)
  • Cloud Gap Analytics: 7.4/10 (Category avg: 8.3/10)
  • Cloud Registry: 8.2/10 (Category avg: 8.5/10)

Who Is the Company Behind Prisma Saas Security?

  • Seller: Palo Alto Networks
  • Year Founded: 2005
  • HQ Location: Santa Clara, CA
  • Twitter: @PaloAltoNtwks
    128,951 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    23,492 employees on LinkedIn®
  • Ownership: NYSE: PANW

Who Uses This Product?

  • Top Industries: Computer & Network Security, Information Technology and Services
  • Company Size: 36% Medium, 33% Large

What Do G2 Reviewers Say About Prisma Saas Security?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the enhanced security features of Prisma SaaS, effectively safeguarding their cloud-based applications.
  • Users value the enhanced security features of Prisma SaaS, ensuring robust protection for cloud-based applications.
  • Users value the enhanced security for cloud applications, benefiting from solidified platforms and strong data protection.
  • Users value the increased security of cloud applications with Prisma SaaS, benefiting from a simplified management approach.
  • Users value the data protection features of Prisma SaaS Security, ensuring security and visibility for cloud applications.
Cons
  • Users face limitations in monitoring cloud services, which hinders effective management and user satisfaction with Prisma SaaS.
  • Users highlight the limitations in monitoring cloud services and concerns about availability and delivery issues with Prisma SaaS Security.
  • Users find Prisma SaaS Security to be expensive, which deters many customers from adopting the technology.
  • Users note significant limited compatibility with various platforms, which restricts their overall experience with Prisma SaaS Security.
  • Users face poor visibility in monitoring cloud services and limited data classification options, hindering security compliance efforts.

What Are Recent G2 Reviews of Prisma Saas Security?

Zscaler Zero Trust Cloud

Zscaler global cloud delivers the entire gateway security stack as a service. By securely connecting users to their applications, regardless of device, location, or network, Zscaler is transforming enterprise security.

Average Rating: 4.5/5.0

Total Reviews: 106

How Do G2 Users Rate Zscaler Zero Trust Cloud?

  • Ease of Use: 8.8/10 (Category avg: 8.9/10)
  • Anomoly Detection: 8.7/10 (Category avg: 8.5/10)
  • Cloud Gap Analytics: 8.6/10 (Category avg: 8.3/10)
  • Cloud Registry: 9.3/10 (Category avg: 8.5/10)

Who Is the Company Behind Zscaler Zero Trust Cloud?

  • Seller: Zscaler
  • Year Founded: 2008
  • HQ Location: San Jose, California
  • Twitter: @zscaler
    17,676 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    9,150 employees on LinkedIn®
  • Ownership: NASDAQ:ZS

Who Uses This Product?

  • Top Industries: Information Technology and Services, Computer & Network Security
  • Company Size: 49% Large, 31% Medium

What Do G2 Reviewers Say About Zscaler Zero Trust Cloud?

AI-generated summary from verified user reviews

Pros
  • Users value the cloud-native Zero Trust architecture of Zscaler Zero Trust Cloud, enhancing security and user experience.
  • Users value the advanced threat protection features of Zscaler Zero Trust Cloud, ensuring a secure online environment.
  • Users appreciate the ease of use of Zscaler Zero Trust Cloud, enhancing security and streamlining access effortlessly.
  • Users value the comprehensive protection Zscaler offers, enhancing security and simplifying access to private applications.
  • Users value the advanced threat protection of Zscaler, ensuring a secure online environment with comprehensive cybersecurity features.
Cons
  • Users face challenges with initial configuration of Zscaler Zero Trust Cloud, especially when setting granular access policies.
  • Users find the complex configuration of Zscaler Zero Trust Cloud challenging, especially when tailoring access policies.
  • Users find the complexity of initial configuration in Zscaler Zero Trust Cloud can be time-consuming and challenging.
  • Users find the complex setup of Zscaler Zero Trust Cloud time-consuming, especially for customizing access policies.
  • Users find difficult configuration challenging in Zscaler Zero Trust Cloud, particularly when customizing access policies for their needs.

What Are Recent G2 Reviews of Zscaler Zero Trust Cloud?

What Are G2 Users Discussing About Zscaler Zero Trust Cloud?

Cloudflare One (SASE)

Cloudflare One is a single-vendor secure access service edge (SASE) platform that converges security and networking services into a unified, global connectivity cloud. It replaces legacy, fragmented hardware and first-generation SASE solutions with a composable, programmable architecture. Cloudflare One connects and protects an organization's workforce, AI agents, and infrastructure. Learn more at https://www.cloudflare.com/sase/ Designed for agility, it enables teams to: - Accelerate safe AI adoption with granular visibility, control, and AI agent governance. - Modernize remote access by replacing clunky VPNs with zero trust access. - Block email phishing attacks with flexible, SASE-native email security. - Protect web traffic for remote users and branch offices with lightweight DNS filtering. - Deploy “coffee shop networking” with a light branch, heavy cloud approach.

Average Rating: 4.6/5.0

Total Reviews: 102

How Do G2 Users Rate Cloudflare One (SASE)?

  • Ease of Use: 9.1/10 (Category avg: 8.9/10)
  • Anomoly Detection: 9.4/10 (Category avg: 8.5/10)
  • Cloud Gap Analytics: 9.4/10 (Category avg: 8.3/10)
  • Cloud Registry: 9.4/10 (Category avg: 8.5/10)

Who Is the Company Behind Cloudflare One (SASE)?

  • Seller: Cloudflare, Inc.
  • Year Founded: 2009
  • HQ Location: San Francisco, California
  • Twitter: @Cloudflare
    286,254 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    8,094 employees on LinkedIn®
  • Ownership: NYSE: NET

Who Uses This Product?

  • Top Industries: Information Technology and Services, Computer & Network Security
  • Company Size: 38% Small, 35% Medium

What Do G2 Reviewers Say About Cloudflare One (SASE)?

AI-generated summary from verified user reviews

Pros
  • Users value the ease of use of Cloudflare One, appreciating its intuitive design and seamless integration with existing systems.
  • Users praise the excellent threat protection of Cloudflare One, ensuring security without compromising performance.
  • Users value the reliability of Cloudflare One, ensuring consistent performance and security for seamless operations.
  • Users value the superior security features of Cloudflare One, enhancing protection and performance seamlessly across networks.
  • Users appreciate the intuitive and unified user interface of Cloudflare One, simplifying management for IT teams.
Cons
  • Users find a steep learning curve with Cloudflare One, as onboarding and feature familiarity can be challenging.
  • Users find the complexity of Cloudflare One's setup and documentation to hinder their onboarding experience.
  • Users find the difficult learning curve of Cloudflare One challenging, especially for new and advanced features.
  • Users note a difficult learning curve for Cloudflare One, particularly with its dashboard and policy setup complexities.
  • Users face a difficult setup process in Cloudflare One, often struggling with complexity and incomplete documentation.

What Are Recent G2 Reviews of Cloudflare One (SASE)?

What Are G2 Users Discussing About Cloudflare One (SASE)?

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Symantec Web Security Service

Symantec Web Security Service (WSS) provides the same proactive web protection capabilities delivered by the market’s leading on-premises Secure Web Gateway, Symantec ProxySG, but delivered as a resilient and performant cloud security service. Sitting between employees, wherever they are located, and the Internet, the service protects the enterprise from cyber threats, controls and protects corporate use of cloud applications and the web, prevents data leaks, and ensures compliance with all company information and web/cloud access policies. Symantec WSS delivers web and cloud security from a diversified network of certified global data centers. Universal Policy Enforcement (UPE) capabilities allow administrators to define protection policies once and distribute them to all of their gateways. Whether they are in the cloud or on-premises, enterprises can ensure consistent protection is in place. Its best-in-class feature set, combined with powerful integrated solution options, enterprise-class network security capabilities, and flexible subscription pricing model, has made WSS the smart choice for companies looking for enterprise-class security capabilities in a cloud-delivered service.

Average Rating: 4.4/5.0

Total Reviews: 109

How Do G2 Users Rate Symantec Web Security Service?

  • Ease of Use: 8.9/10 (Category avg: 8.9/10)
  • Anomoly Detection: 8.4/10 (Category avg: 8.5/10)
  • Cloud Gap Analytics: 8.7/10 (Category avg: 8.3/10)
  • Cloud Registry: 8.7/10 (Category avg: 8.5/10)

Who Is the Company Behind Symantec Web Security Service?

  • Seller: Broadcom
  • Year Founded: 1991
  • HQ Location: San Jose, CA
  • Twitter: @broadcom
    63,909 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    44,602 employees on LinkedIn®
  • Ownership: NASDAQ: CA

Who Uses This Product?

  • Top Industries: Information Technology and Services, Computer Software
  • Company Size: 48% Large, 28% Small

What Do G2 Reviewers Say About Symantec Web Security Service?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the excellent security protection of Symantec Web Security Service, ensuring seamless access and peace of mind.
  • Users find the ease of deployment and seamless installation of Symantec Web Security Service highly beneficial for security management.
  • Users find the easy implementation and management of Symantec Web Security Service highly beneficial for their needs.
  • Users are impressed by the affordability of Symantec Web Security Service, finding it cost-effective with ample features.
  • Users praise the network analytics of Symantec Web Security Service, highlighting its effectiveness in enhancing access control.
Cons
  • Users find the notification issues frustrating, as they disrupt work and can lead to false alerts and site blocks.
  • Users find the cost of Symantec Web Security Service to be prohibitively high, impacting value perception.
  • Users frequently face integration issues with Symantec Web Security Service, complicating implementation and affecting overall satisfaction.
  • Users find the poor customer support lacking, impacting their overall experience with Symantec Web Security Service.
  • Users experience slow performance with the EDR function search and find XDR correlation to be manual and cumbersome.

What Are Recent G2 Reviews of Symantec Web Security Service?

What Are G2 Users Discussing About Symantec Web Security Service?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated