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Best Open Systems CASB Alternatives in 2026

#16 of 25 in Cloud Access Security Broker SoftwareSecure Access Service Edge Software

The top Open Systems CASB alternatives are Check Point SASE CASB, Forcepoint ONE CASB and Netskope One CASB: 15 cloud access security broker software our editors would look at instead of Open Systems CASB, in our ranking order.

7.7/10Editor score
Open Systems CASB7.7 Visit Open Systems

Open Systems CASB: A focused CASB for cloud discovery, risk scoring, inline controls, and activity logging. Where it falls short: does not include DLP controls.

Switching from Open Systems CASB? For most cloud access security broker software buyers the best Open Systems CASB alternative is Check Point SASE CASB, built for enterprises needing broad hybrid CASB controls.

Why People Look for an Open Systems CASB Alternative

  • Does not include DLP controls
  • The starting price assumes 5,000–10,000 users
  • Managed operation and lower user counts cost more
  • No dLP controls — 15 of the alternatives below have it

Quick Picks by What You Need

All 15 Open Systems CASB Alternatives, Ranked

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

  1. Best forEnterprises needing broad hybrid CASB controls

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 9.4 vs 7.7

    A broad hybrid CASB for enterprises that need deep SaaS control and remediation.

    • Inline controls
    • Threat detection
    • API-based controls
    9.4/10★★★★★
    Visit Check Point
  2. Best forEnterprises needing flexible proxy-based CASB

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 9.3 vs 7.7

    A flexible hybrid CASB combining proxy controls, API scanning, DLP and remediation.

    • Inline controls
    • Threat detection
    • API-based controls
    9.3/10★★★★★
    Visit Forcepoint
  3. Best forLarge enterprises with broad cloud coverage

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 9.2 vs 7.7

    Broad CASB coverage for enterprises managing cloud apps, data, threats, and AI use.

    • Inline controls
    • Threat detection
    • API-based controls
    9.2/10★★★★★
    Contact Netskope
  4. Best forSecurity teams wanting CASB plus threat prevention

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 9.1 vs 7.7

    A broad CASB for SaaS discovery, data protection, posture management and threat prevention.

    • Inline controls
    • Threat detection
    • API-based controls
    9.1/10★★★★★
    Visit site
  5. Cato CASB

    Best forOrganizations needing integrated CASB and SASE

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 9.0 vs 7.7

    A hybrid CASB for inline enforcement, API controls, DLP, and SaaS risk visibility.

    • Inline controls
    • Threat detection
    • API-based controls
    Pricing on request Our Cato CASB verdict → Visit Cato
    9.0/10★★★★☆
    Visit Cato
  6. Best forBusinesses standardizing on proxy-based CASB

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.9 vs 7.7

    A broad, proxy-based CASB for inline inspection, API scanning, DLP, and cloud threat protection.

    • Inline controls
    • Threat detection
    • API-based controls
    Pricing on request Our Zscaler CASB verdict → Visit Zscaler
    8.9/10★★★★☆
    Visit Zscaler
  7. Best forTeams focused on cloud data and account threats

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.8 vs 7.7

    A broad CASB for cloud visibility, data protection and account-threat response.

    • Inline controls
    • Threat detection
    • API-based controls
    8.8/10★★★★☆
    Visit Proofpoint
  8. FortiCASB

    Best forAPI-centric CASB with many SaaS connectors

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.7 vs 7.7

    An API-centric CASB for SaaS visibility, DLP, threat detection, and remediation.

    • Threat detection
    • API-based controls
    • DLP controls
    Pricing on request Our FortiCASB verdict → Visit FortiCASB
    8.7/10★★★★☆
    Visit FortiCASB
  9. Best forPalo Alto customers needing SaaS security

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.5 vs 7.7

    A focused CASB for discovering, controlling, and protecting enterprise SaaS use.

    • Inline controls
    • Threat detection
    • API-based controls
    8.5/10★★★★☆
    Visit Palo Alto
  10. Best forCASB with DRM and zero-trust controls

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.4 vs 7.7

    A broad CASB for organizations needing DLP, zero-trust access, and DRM.

    • Inline controls
    • Threat detection
    • API-based controls
    8.4/10★★★★☆
    Visit Lookout
  11. Best forOrganizations needing granular SaaS action controls

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.3 vs 7.7

    Granular SaaS activity controls with inline and API-based CASB protection.

    • Inline controls
    • Threat detection
    • API-based controls
    8.3/10★★★★☆
    Contact Versa
  12. Best forTeams wanting CASB plus zero-trust access

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.2 vs 7.7

    A broad hybrid SSE platform for teams combining CASB with zero-trust access.

    • Inline controls
    • Threat detection
    • API-based controls
    Pricing on request Our Cisco Secure Access verdict → Visit site
    8.2/10★★★★☆
    Visit site
  13. Best forTeams focused on SaaS file exposure remediation

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.1 vs 7.7

    A focused CASB for finding and remediating exposed files in Microsoft 365 and Google tenants.

    • API-based controls
    • DLP controls
    • Shadow IT discovery
    8.1/10★★★★☆
    Visit Dope Security
  14. DoControl

    Best forSaaS data exposure and identity-risk teams

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 8.0 vs 7.7

    An API-focused CASB for SaaS exposure, identity risk, DLP, and OAuth remediation.

    • Threat detection
    • API-based controls
    • DLP controls
    Pricing on request Our DoControl verdict → Visit DoControl
    8.0/10★★★★☆
    Visit DoControl
  15. QAuth

    Best forMidmarket teams wanting priced CASB entry

    • Better than Open Systems CASB:
    • DLP controls
    • Editor score 7.9 vs 7.7

    A hybrid CASB with SSO, DLP, shadow IT controls, and broad SaaS coverage.

    • Inline controls
    • Threat detection
    • API-based controls
    Pricing on request Our QAuth verdict → Visit QAuth
    7.9/10★★★★☆
    Visit QAuth

Open Systems CASB Alternatives: Common Questions

What is the best alternative to Open Systems CASB?

Check Point SASE CASB: #1 in our Cloud Access Security Broker Software ranking, with an editor score of 9.4 out of 10. A broad hybrid CASB for enterprises that need deep SaaS control and remediation.

Why do people look for Open Systems CASB alternatives?

Does not include DLP controls; The starting price assumes 5,000–10,000 users; Managed operation and lower user counts cost more.

How do I switch from Open Systems CASB?

Snapshot or back up the data and configs on your Open Systems CASB server. Create the new server with the same operating system and size, and add your SSH key. Copy the data across (rsync or your backup tool) and reinstall your apps or containers. Move the DNS records or IP references to the new server, test it, then cancel Open Systems CASB.

How to Switch from Open Systems CASB

  1. Snapshot or back up the data and configs on your Open Systems CASB server.
  2. Create the new server with the same operating system and size, and add your SSH key.
  3. Copy the data across (rsync or your backup tool) and reinstall your apps or containers.
  4. Move the DNS records or IP references to the new server, test it, then cancel Open Systems CASB.

Open Systems CASB vs Each Alternative

#ToolPaid fromDeployment modelInline controlsAPI-based controlsDLP controlsScore
16Open Systems CASBInlineYesNo7.7
1Check Point SASE CASBHybridYesYesYes9.4
2Forcepoint ONE CASBHybridYesYesYes9.3
3Netskope One CASBHybridYesYesYes9.2
4Palo Alto Networks Next-Generation CASBHybridYesYesYes9.1
5Cato CASBHybridYesYesYes9.0
6Zscaler CASBHybridYesYesYes8.9
7Proofpoint Cloud App Security BrokerHybridYesYesYes8.8
8FortiCASBApiNoYesYes8.7
9Palo Alto Networks SaaS SecurityHybridYesYesYes8.5
10Lookout Secure Cloud AccessHybridYesYesYes8.4
11Versa Cloud Access Security BrokerHybridYesYesYes8.3
12Cisco Secure AccessHybridYesYesYes8.2
13Dope Security CASB NeuralApiYesYes8.1
14DoControlApiNoYesYes8.0
15QAuthHybridYesYesYes7.9

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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