GFI KerioControl vs. Zscaler Internet Access

Overview
ProductRatingMost Used ByProduct SummaryStarting Price
GFI KerioControl
Score 8.5 out of 10
N/A
Kerio Control is a next-gen firewall for SMBs, from Aurea SMB Solutions (formerly GFI Software).N/A
Zscaler Internet Access
Score 8.8 out of 10
N/A
Zscaler Internet Access™ (ZIA) is a secure web gateway (SWG), delivering cloud native cyberthreat protection and zero trust access to the internet and SaaS apps.N/A
Pricing
GFI KerioControlZscaler Internet Access
Editions & Modules
No answers on this topic
No answers on this topic
Offerings
Pricing Offerings
GFI KerioControlZscaler Internet Access
Free Trial
NoNo
Free/Freemium Version
NoNo
Premium Consulting/Integration Services
NoNo
Entry-level Setup FeeNo setup feeNo setup fee
Additional Details
More Pricing Information
Community Pulse
GFI KerioControlZscaler Internet Access
Features
GFI KerioControlZscaler Internet Access
Firewall
Comparison of Firewall features of Product A and Product B
GFI KerioControl
8.6
Ratings
0% below category average
Zscaler Internet Access
-
Ratings
Identification Technologies8.00 Ratings00 Ratings
Visualization Tools7.00 Ratings00 Ratings
Content Inspection10.00 Ratings00 Ratings
Policy-based Controls8.00 Ratings00 Ratings
Active Directory and LDAP9.00 Ratings00 Ratings
Firewall Management Console10.00 Ratings00 Ratings
Reporting and Logging7.00 Ratings00 Ratings
VPN9.00 Ratings00 Ratings
High Availability8.00 Ratings00 Ratings
Stateful Inspection10.00 Ratings00 Ratings
Proxy Server9.00 Ratings00 Ratings
Identity Management
Comparison of Identity Management features of Product A and Product B
GFI KerioControl
-
Ratings
Zscaler Internet Access
5.0
Ratings
56% below category average
Multi-Factor Authentication00 Ratings5.00 Ratings
Endpoint Security
Comparison of Endpoint Security features of Product A and Product B
GFI KerioControl
-
Ratings
Zscaler Internet Access
10.0
Ratings
6% above category average
Endpoint Detection and Response (EDR)00 Ratings10.00 Ratings
Threat Intelligence
Comparison of Threat Intelligence features of Product A and Product B
GFI KerioControl
-
Ratings
Zscaler Internet Access
9.5
Ratings
7% above category average
Network Analytics00 Ratings9.70 Ratings
Threat Recognition00 Ratings9.40 Ratings
Vulnerability Classification00 Ratings9.40 Ratings
Automated Alerts and Reporting00 Ratings9.40 Ratings
Threat Analysis00 Ratings9.70 Ratings
Threat Intelligence Reporting00 Ratings9.70 Ratings
Automated Threat Identification00 Ratings9.10 Ratings
Zero Trust Security
Comparison of Zero Trust Security features of Product A and Product B
GFI KerioControl
-
Ratings
Zscaler Internet Access
9.7
Ratings
4% above category average
Continuous Verification00 Ratings9.70 Ratings
Secure Web Gateways00 Ratings9.70 Ratings
Network Flow Control00 Ratings9.70 Ratings
Network Traffic Analysis00 Ratings9.40 Ratings
Segmentation Leveraging00 Ratings10.00 Ratings
Admin Access Control00 Ratings9.40 Ratings
Network Data Encryption00 Ratings9.40 Ratings
Network Topology Mapping00 Ratings10.00 Ratings
Best Alternatives
GFI KerioControlZscaler Internet Access
Small Businesses
pfSense
pfSense
Score 9.9 out of 10
ThreatLocker
ThreatLocker
Score 9.5 out of 10
Medium-sized Companies
Quantum Firewalls and Security Gateways
Quantum Firewalls and Security Gateways
Score 9.6 out of 10
Palo Alto Networks Prisma Access
Palo Alto Networks Prisma Access
Score 8.9 out of 10
Enterprises
Palo Alto Networks Virtualized Next-Generation Firewalls - VM Series
Palo Alto Networks Virtualized Next-Generation Firewalls - VM Series
Score 10.0 out of 10
Palo Alto Networks Prisma Access
Palo Alto Networks Prisma Access
Score 8.9 out of 10
All AlternativesView all alternativesView all alternatives
User Ratings
GFI KerioControlZscaler Internet Access
Likelihood to Recommend
10.0
(0 ratings)
8.7
(0 ratings)
Usability
9.0
(0 ratings)
8.5
(0 ratings)
Support Rating
5.0
(0 ratings)
8.1
(0 ratings)
Vendor post-sale
-
(0 ratings)
8.0
(0 ratings)
Vendor pre-sale
-
(0 ratings)
8.0
(0 ratings)
User Testimonials
GFI KerioControlZscaler Internet Access
Likelihood to Recommend
IT works very well in the non-profit and small business space when there is a need for remote access or connecting several sites in a point to point VPN, user management and rule creation are very easy. The use of the MyKerio website for remote management also makes it easy to troubleshoot problems and make changes if technical staff are not onsite.
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Zscaler Internet Access has extremely powerful category selection and it is very easy to create your own destinations for inspection and policy exceptions (SSL exception specifically). It is also very affordable and just as powerful (if not more) than some of the other solutions I have used in the past to achieve internet security.
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Pros
  • VPN for Remote Employees
  • Point to point VPNs
  • Scanning of traffic
  • Ease of management
  • Website filtering by both sites and key words
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  • The depth that Cloud App control policies can go into. Being able to control individual actions within an application, more than just all or nothing access.
  • The UX/UI design makes it really easy to navigate the portal.
  • Understanding how cloud app/url control policy gets evaluated and creating/editing existing policy is extremely straightforward.
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Cons
  • Support can take longer to respond that it should
  • Could work better with resellers
  • Spend more effort on adding new features
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  • Easier interface on the menus so they don't disappear.
  • Help, I'm contacting support only through the ZIA portal, but I'm unable to use the link easily.
  • Mobile interface changes.
  • The searching function for the logs is tricky and challenging to use, and the menu always pops down when trying to find the proper function.
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Likelihood to Renew
No answers on this topic
While Zscaler Internet Access (ZIA) delivers critical value in cloud security and RBI compliance, I rate renewal likelihood 7/10 due to evolving needs versus platform limitations. Below is my rationale:
Key Gaps:
1. Advanced Threat Costs:
ZIA’s add-ons (e.g., Advanced DLP, Sandboxing) incur 35%+ cost premiums – straining budgets as transaction volumes (UPI/iMobile) grow 50% YoY.
2. API Banking Scalability:
ZIA’s API rate limits throttle real-time policy sync during UPI peaks (10K+ TPS), forcing workarounds for finacle integrations.
3. RBI Future-Proofing:
Limited native support for upcoming digital rupee (CBDC) security rules requires custom development, increasing compliance overhead.
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Usability
Very easy to use and manage, user training takes less then 10 minutes. Technicians can perform basic tasks with less then an hour of training and can master it in under a year.
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The application is easy to install and configure on all Windows devices. To troubleshoot any internet issue, we can easily collect all the relevant logs from Zscaler and check the exact issue. The only problem is with the uninstall, as a dedicated crew needs to provide the password.
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Performance
No answers on this topic
There are often performance issues reported
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Support Rating
Support is very slow to respond and it takes a long time to convince level 1 techs that you need to be moved up to someone more senior. I believe support is outsourced and they are graded on how few tickets they need to escalate to higher tiers so they will try to figure out a solution even if it is detrimental to the overall support experience.
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Zscaler's ZIA support is quick and knowledgable. They respond within 1-2 hours of you submitting your ticket. They are very thorough and are typically ready to jump on a live troubleshooting session. Our ZIA platform and how we use is it unique so at times tickets can be open for weeks but we alway get quality support compared to other unrelated product support in our enterprise
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Alternatives Considered
We found Kerio Control to provide the most features and easiest management of all the solutions we looked at, while cost was not the lowest the value was by far the best when you considered all the factors, costs, and manhours involved in deployment and management.
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Zscaler Internet Access is most akin to ZPA - we bought both at the same time to handle all traffic internally and externally. In terms of quality - I would make the statement that Zscaler Internet Access is a simpler product but that's also cause there are no App Connectors involved in that process.
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Return on Investment
  • Easy to use makes it easy to train, reducing employee time and IT staff costs.
  • Statefull inspection and web filtering greatly reduce malware incursions.
  • Fact it can run on standard PC hardware greatly reduces cost to implement and makes scaling much less expensive.
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  • Has allowed us to remove other products that were suboptimal
  • Saved us money overall by stacking it with other Zscaler products
  • Created a more secure work environment for our users through intelligent internet policies that are not needlessly restrictive while still maintaining security best practices
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ScreenShots

Zscaler Internet Access Screenshots

Screenshot of an overview of Zscaler Internet Access (ZIA), a cloud native security service edge (SSE) solution that builds on a decade of secure web gateway leadership. Offered as a scalable SaaS platform through Zscaler's security cloud, it replaces legacy network security solutions, preventing advanced attacks and data loss with a comprehensive zero trust approach. ZIA is integrated into the Zscaler Zero Trust Exchange™ to provide superior defense-in-depth, secure connectivity, end user experience, and administrative visibility and control.