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Tenable Security Center vs Zscaler Zero Trust Exchange Platform comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 2, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Zafran Security
Sponsored
Average Rating
9.6
Reviews Sentiment
7.8
Number of Reviews
6
Ranking in other categories
Vulnerability Management (17th), Continuous Threat Exposure Management (CTEM) (1st)
Tenable Security Center
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
55
Ranking in other categories
Vulnerability Management (5th), Cloud Security Posture Management (CSPM) (10th), Risk-Based Vulnerability Management (3rd)
Zscaler Zero Trust Exchange...
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
64
Ranking in other categories
Data Loss Prevention (DLP) (3rd), Cloud Access Security Brokers (CASB) (5th), Application Control (4th), ZTNA as a Service (1st), Secure Access Service Edge (SASE) (2nd), Remote Browser Isolation (RBI) (1st)
 

Mindshare comparison

Risk-Based Vulnerability Management Market Share Distribution
ProductMarket Share (%)
Tenable Security Center8.9%
Qualys VMDR15.1%
Rapid7 InsightVM13.0%
Other63.0%
Risk-Based Vulnerability Management
ZTNA as a Service Market Share Distribution
ProductMarket Share (%)
Zscaler Zero Trust Exchange Platform16.9%
Prisma Access by Palo Alto Networks13.2%
Cato SASE Cloud Platform12.0%
Other57.900000000000006%
ZTNA as a Service
 

Featured Reviews

Israel Cavazos Landini - PeerSpot reviewer
Weekly insights and risk analysis facilitate informed security decisions
I appreciate the weekly insights Zafran provides, which include critical topics for networks and IT security, allowing us to evaluate which insights apply to our environment. The organization score feature is valuable to keep the leadership team updated on how our infrastructure fares security-wise. The applicable risk level versus base risk level feature is beneficial because prior to Zafran, we only used the base risk level, but now understand that risk depends on the asset itself. Zafran is an excellent tool.
OndrejKOVAC - PeerSpot reviewer
Empower clients with risk-based vulnerability management through continuous workflow and valuable insights
Tenable Security Center could improve by implementing more dynamic data displays and translating reports into European languages. This is especially relevant in Central Eastern Europe, where clients often require reports in local languages. Additionally, the licensing model could be more flexible for managed security providers, similar to a pay-as-you-go model.
Sumit Bhanwala - PeerSpot reviewer
Cloud-based platform simplifies device and data center management
I find it to be good. The solution is cloud-based with the latest inspection engines, which I find to be amazing. We are less dependent on data centers and device management, which reduces our efforts significantly. It improves our device management, data center management, and updating devices. We need fewer engineers for this management, and it reduces time and efforts for data center management, device upgrades, and IT support.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Overall, we have seen about eighty-seven percent reduction of the number of vulnerabilities that require urgency to remediate, specifically the number of criticals."
"Zafran has become an indispensable tool in our cybersecurity arsenal."
"Zafran is an excellent tool."
"We saw benefits from Zafran Security almost immediately after deploying it."
"We are able to see the real risk of a vulnerability on our environment with our security tools."
"The scanning part, the agent part – that's the valuable aspect."
"We use Tenable to scan all of our environments and plugins for vulnerabilities. Tenable helps us discover network vulnerabilities to threats and piracy."
"The feature we've liked most recently was being able to take the YARA rules from FireEye and put them into Tenable's scan for the most recent SolarWinds exploit. That was really useful."
"Tenable.sc's best features are the availability model, accident management, and scoring."
"I like Tenable.sc's analytics and reporting. You can also configure your on-prem network monitors to talk to your Tenable.sc control panel."
"It basically reviews our threat landscape vulnerability."
"Compared to other products, the most valuable features of the solution are its ease of use and ability to provide visibility over scan results while providing many templates to users, making it a helpful tool."
"The most valuable feature is the automatic and periodic management of security scans, along with the ability to consolidate all information into a single dashboard."
"Yes, it is very stable. I have never seen it go down, not once."
"Zscaler CASB's latency and architecture are excellent."
"The most valuable features of Zscaler CASB are API integration and DLP."
"The most valuable features are the File Type Control and SSL bypass policies. We"
"The scalability of the solution is great."
"The most valuable features of Zscaler Private Access are its ability to integrate with multiple IDPs and application segmentation."
"Overall, the solution does a pretty good job at web filtering."
"The product’s most valuable features are data discovery, activity control, and zero trust exchange."
 

Cons

"Initially, we were somewhat concerned about the scalability of Zafran due to our large asset count and the substantial amount of information we needed to process."
"I think the ability to have some enhanced reporting capabilities is something they can improve on, as they have good reports but we have asked for some specific reporting enhancements."
"The dashboarding and reporting functionality of Zafran Security is an area that definitely could use some improvements."
"The reporting needs a lot of work on the template."
"The solution needs to improve the vulnerability assessment because we have experienced some challenges with accuracy."
"We are facing some challenges related to our channel."
"The solution is expensive."
"Additional costs are associated with using the solution, as additional scanners are required for different endpoints connected to the Tenable Security Center. If Tenable Security Center could extract information from these scanners automatically rather than manually, it would enhance user-friendliness for customers."
"The web application is not very functional."
"Support could be faster."
"It's important for Tenable to catch up on testing capabilities that are present in solutions like Qualys."
"There could be a feature to view the VPN tunnel activities in terms of configuration."
"The solution's granularity should be improved because it has limited granular options to control, visible, allow, block, delay, and receive."
"The DX layer could be better if it had improved visibility."
"There are latency issues with the solution. They are small, however, they are there when you compare it to other vendors."
"Zscaler CASB should include integrations with other SaaS applications."
"Zscaler Private Access's reporting is poor. We should have more insight into the reports regarding what is blocked and allowed."
"Another area of improvement is implementation through non-client connectors. The solution can be implemented in two ways. One uses the back file; the other one uses client connectors. So the client connector is pretty fast, but when it comes to non-client connectors and procedures, it's kind of delayed and slow."
"The tool must provide IP-blocking features."
 

Pricing and Cost Advice

Information not available
"Tenable is open-source."
"The tool provides competitive pricing."
"Costing is pretty reasonable compared to the competition."
"The pricing depends upon the number of IPs."
"Tenable SC is priced per asset, with the basic solution starting around US$12,000 for 500 assets."
"I rate the solution's price as seven on a scale of one to ten, where one is cheap and ten is expensive. The tool is quite expensive."
"We're a Fortune 500 company... our licensing costs [are] in the seven figures."
"We're able to save because we don't have to employ more staff members to help wit ht he scheduling of the scans, running the reports or sending them out to the systems owners. That alone is a big ROI for us."
"In the long run, cloud services are not inherently costly."
"Pricing for Zscaler Private Access is moderate. It's acceptable, though I can't give you the exact price currently. It's not too expensive, and on a scale of one to five, I would rate it a four out of five in terms of pricing."
"Zscaler Cloud DLP is moderately priced. We pay around 2 million rupees per year."
"It's expensive currently. But when purchasing for a large number of users, there's room to negotiate. It's really up to the procurement team."
"The technical support is good."
"The product is a bit expensive."
"Zscaler CASB is an expensive solution."
"The cost is expensive. It depends on the number of users."
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Top Industries

By visitors reading reviews
Financial Services Firm
11%
Computer Software Company
9%
Manufacturing Company
8%
Government
5%
Financial Services Firm
12%
Government
10%
Computer Software Company
10%
Manufacturing Company
10%
Computer Software Company
13%
Financial Services Firm
13%
Manufacturing Company
9%
Insurance Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise10
Large Enterprise26
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise11
Large Enterprise41
 

Questions from the Community

What is your experience regarding pricing and costs for Zafran Security?
Since we stood Zafran Security up in our private cloud, we handle the maintenance on our side. As we opted not to use...
What needs improvement with Zafran Security?
In terms of areas for improvement, Zafran Security is doing a really great job as a new and emerging company. Oftenti...
What is your primary use case for Zafran Security?
My use cases for Zafran Security revolve around two primary areas. One is around vulnerability management and priorit...
What do you like most about Tenable SC?
The tool's dashboard and reporting capabilities match our company's needs since we are able to modify the basic view ...
What is your experience regarding pricing and costs for Tenable SC?
The price of Tenable Security Center is not so high; it's relatively a cheaper solution.
What needs improvement with Tenable SC?
The reason for rating it an eight out of ten is that the initial setup could be easier; the setup is rather difficult...
What is the better solution - Prisma Access or Zscaler Private Access?
We looked into Prisma Access before choosing Zscaler Private Access (ZPA). Palo Alto’s Prisma Access is a secure ac...
What do you like most about Zscaler SASE?
The most valuable features of Zscaler Private Access are reliability, scalability, and availability.
What needs improvement with Zscaler SASE?
The solution needs to improve a lot of aspects.
 

Also Known As

No data available
Tenable.sc, Tenable Unified Security, Tenable SecurityCenter
Zscaler SASE, Zscaler DLP, Zscaler CASB, Zscaler CSPM, Zscaler Browser Isolation, Zscaler Posture Control
 

Overview

 

Sample Customers

Information Not Available
IBM, Sempra Energy, Microsoft, Apple, Adidas, Union Pacific
Siemens, AutoNation, GE, NOV
Find out what your peers are saying about Tenable Security Center vs. Zscaler Zero Trust Exchange Platform and other solutions. Updated: July 2025.
873,003 professionals have used our research since 2012.