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SentinelOne Singularity Cloud Security vs Tenable Nessus comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 2024

Review summaries and opinions

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

ROI

Sentiment score
5.3
Qualys TotalCloud enhances efficiency and automation, achieving up to 40% cost savings and over 50% improved asset scanning.
Sentiment score
5.7
SentinelOne Singularity Cloud significantly boosts efficacy by automating security, reducing costs, and enhancing productivity with faster incident response.
Sentiment score
3.5
Tenable Nessus boosts security by enhancing threat visibility, reducing vulnerabilities, saving costs, and achieving high user satisfaction.
We are able to scan all our assets with less human intervention and achieve overall effective outcomes.
Dns architect at a tech consulting company with 1,001-5,000 employees
It has saved about 90% of our time.
Senior Consultant at a consultancy with 10,001+ employees
TotalCloud has generated overall savings of 30 to 40 percent across various departments.
Security Manager at a consultancy with 10,001+ employees
After implementing SentinelOne, it takes about five to seven minutes.
Cloud engineer at a construction company with 5,001-10,000 employees
With SentinelOne Singularity Cloud Security, we reduce investigation time to about 80%.
Cybersecurity And Information Governance Head at Aeren
SentinelOne Singularity Cloud Security has helped reduce the time required for threat investigation and response by providing automated detection, detailed context, and centralized visibility.
it support at a outsourcing company with 51-200 employees
 

Customer Service

Sentiment score
6.7
Qualys TotalCloud's customer service is praised for responsiveness despite occasional delays, with ratings from seven to ten.
Sentiment score
7.5
Feedback for SentinelOne Singularity Cloud Security is mixed, with praise for expertise but some complaints about responsiveness and knowledge.
Sentiment score
4.3
Tenable Nessus support is praised for responsiveness and efficiency, with mixed feedback on response times and depth for advanced queries.
They are helpful, respond to my queries, and can answer any question.
Developer at a consultancy with 10,001+ employees
Qualys's tech support is highly responsive, providing multiple ways to interact with them.
Service Manager, Security Operations at CDA IT SOLUTIONS
Qualys' customer service provides quality answers, but the response time is long, even though it is within the SLA.
Works at a consultancy with 10,001+ employees
Having a reliable team ready and willing to assist with any issues is essential.
Director, DevOps at Relay Network
Throughout the migration, they remained available for several hours without complaint, providing assistance at every step.
Mobile Application Developer at a retailer with 1-10 employees
In my experience, I have never encountered a junior person or someone without knowledge coming into support from SentinelOne.
Senior Technical Engineer at Safezone Secure Solutions Private Limited
We received support within one to three hours.
CIO at a insurance company with 201-500 employees
Whenever any issue arises, we contact the support, and they are always there for us.
Information security engineer at Cyberisk
The technical support is good yet could improve in terms of response time.
SOC Engineer at a outsourcing company with 10,001+ employees
 

Scalability Issues

Sentiment score
7.4
Qualys TotalCloud is highly scalable and adaptable, efficiently supporting varied environments and large-scale deployments with robust performance.
Sentiment score
7.8
SentinelOne Singularity Cloud Security is praised for its scalability, seamless integration, and efficient management, supporting diverse environments.
Sentiment score
5.5
Tenable Nessus is scalable and flexible for most organizations but may face limitations with very large enterprises.
We started our organization about nine months back. We started with about 30 users, and we now have more than 100 users.
CIO at a venture capital & private equity firm with 11-50 employees
Our organization currently uses it to manage over 1200 web applications.
Analyst, Information Security at Infosys
It is absolutely scalable, and I would rate its scalability as nine out of ten.
retired at a consultancy with 10,001+ employees
The SentinelOne Singularity Cloud exhibits high scalability.
Security Analyst at Intersistemi Italia s.p.a.
We've automated in our MDM so any device that we start in our MDM automatically installs SentinelOne.
IT Support Specialist at a non-tech company with 201-500 employees
It is scalable. I would rate it a ten out of ten for scalability.
Sr security engineer at Halodoc
Whether managing 50 servers today or 500 tomorrow, performance or capacity are not hindered.
SOC Engineer at a outsourcing company with 10,001+ employees
Tenable Nessus is definitely scalable, especially for license formats designed for scalability.
Security Center Coordinator at a comms service provider with 1-10 employees
 

Stability Issues

Sentiment score
8.4
Qualys TotalCloud is stable and reliable, offering 99.9% uptime with quick support for minor issues and transparent maintenance updates.
Sentiment score
8.3
SentinelOne Singularity Cloud Security is highly stable and reliable, with occasional minor issues, earning praise for its performance.
Sentiment score
6.1
Tenable Nessus is praised for stability and reliability, with high user satisfaction despite minor setup and update issues.
Overall, the support provided has been excellent.
Analyst, Information Security at Infosys
It has a lot of scanning mechanisms, which are agentless APIs, eBPF, and cloud agents, that are highly reliable.
Sr Security Engineer at a tech vendor with 5,001-10,000 employees
It is a stable solution, which is why we chose it.
CIO at a venture capital & private equity firm with 11-50 employees
I would rate the stability of SentinelOne Singularity Cloud Security a 10 because as of now we have not faced any stability issues.
Security Analyst at Softcell Technologies Limited
SentinelOne Singularity Cloud Security operates consistently, and that is how a product should work—you should not have to worry about it.
Technical Lead at a tech vendor with 51-200 employees
SentinelOne Singularity Cloud is incredibly reliable.
Security Analyst at Intersistemi Italia s.p.a.
We have not encountered any issues with missing network items or errors in API and webhook interactions.
SOC Engineer at a outsourcing company with 10,001+ employees
The stability of Tenable Nessus is extraordinary.
Founder at Cipheroot Cybersecurity Solutions
 

Room For Improvement

Qualys TotalCloud requires UI improvements, better cloud integration, enhanced support, and optimized reporting, onboarding, and vulnerability detection.
SentinelOne Singularity Cloud Security requires better integration, onboarding, interface, support, and cost-effectiveness with enhanced features desired.
Tenable Nessus requires enhanced reporting, better integration, modern UI, faster scans, accurate detection, and comprehensive IT asset coverage.
Ideally, the scanner should automatically detect and scan all subdomains, even if not explicitly defined, ensuring comprehensive vulnerability assessment.
Analyst, Information Security at Infosys
Ideally, updates should be more immediate, enabling quicker implementation of solutions.
Project Lead at Persistent Systems
Our goal is to integrate all these functions into Qualys, creating a single dashboard for comprehensive security monitoring and management.
Senior Information Security Engineer at a consultancy with 10,001+ employees
It gives our management a false impression of there being no open incidents over that period.
Information Security Manager at SBI General Insurance
A centralized dashboard with numerous metrics would improve user understanding.
Development Manager at SBI General Insurance
I feel there is room for improvement in SentinelOne Singularity Cloud Security, particularly in creating custom dashboards since it only has a default dashboard feature, and a capability for creating custom dashboards would help us a lot as analysts.
Security Analyst at Softcell Technologies Limited
This is Tenable's property. They want to sell Tenable Security Center, and they closed all the API capability for Tenable Nessus Professional.
Co-Founder at RSU Consultancy
An AI feature that helps them discover options without requiring them to deep dive into all features or guides them through advisory functions would be beneficial.
Freelancer And CEO at a tech vendor with 1-10 employees
The documentation is not well-organized, which can be confusing when searching for solutions or specific information related to Tenable Nessus Professional.
SOC Engineer at a outsourcing company with 10,001+ employees
 

Setup Cost

Qualys TotalCloud is costly but justified for large companies due to features, flexibility, and VMware integration efficiencies.
SentinelOne Singularity offers competitive, flexible pricing with modular options, particularly valued by enterprises for its advanced threat detection.
Tenable Nessus is valued for affordability and flexibility, though costs vary by organization size, IP count, and region.
Qualys TotalCloud's pricing is currently acceptable, it is becoming increasingly expensive.
Senior Manager at a financial services firm with 10,001+ employees
Pricing is managed by our finance team; however, Qualys TotalCloud offers cost-effective licensing flexibility.
IT Manager at a consultancy with 10,001+ employees
Qualys TotalCloud is expensive, but it offers a premier solution with no headaches.
Vice President at Inspira Enterprise
With very little negotiation involved, we just let them know what we could pay and they were willing to meet us at slightly above what we paid with Sophos, which was still very fair for what we were looking at.
IT Support Specialist at a non-tech company with 201-500 employees
I was able to consolidate two security vendors into one by switching to SentinelOne, and I now pay less than I did for either of them.
Director, DevOps at Relay Network
Its high cost may be prohibitive for small and medium-sized businesses.
Technical Support Engineer at a consultancy with 10,001+ employees
The pricing for Tenable Nessus has increased significantly, tripling over the last few years.
Security Center Coordinator at a comms service provider with 1-10 employees
Tenable Nessus's pricing is adequate if it is fully utilized.
SOC Engineer at a outsourcing company with 10,001+ employees
When we compare it to other solutions, it is more difficult for us to negotiate the price for Tenable Nessus than to negotiate the price with Rapid7.
Freelancer And CEO at a tech vendor with 1-10 employees
 

Valuable Features

Qualys TotalCloud offers efficient asset discovery, security posture management, and vulnerability management with excellent integration and threat intelligence features.
SentinelOne Singularity boosts security with AI-driven threat detection, centralized management, and streamlined incident response in multi-cloud environments.
Tenable Nessus excels in vulnerability detection, user-friendliness, scalability, real-time monitoring, integration, compliance reporting, and remediation advice.
This view of risk helps reduce the work we would have to do to combine multiple sources to prioritize risk.
Works at a consultancy with 10,001+ employees
It will help cybersecurity professionals monitor the cloud and find vulnerabilities.
Developer at a consultancy with 10,001+ employees
We are enjoying the new feature, FlexScan, which is valuable for Internet-facing VMs.
Senior Consultant at a consultancy with 10,001+ employees
This tool has been helpful for us. It allows us to search for vulnerabilities and provides evidence directly on the screen.
Cloud Security Specialist at a insurance company with 10,001+ employees
The cloud misconfiguration feature gave us almost zero false positives.
Sr security engineer at Halodoc
AWS real-time threat protection protects our workloads and provides visibility into anomalies or threats, automatically remediating them at speeds beyond our manual capabilities.
Director, DevOps at Relay Network
I mostly use the configuration audit feature for the audit configuration as a scan policy, and I will use it for credential audit, which helps me scan credentials access such as local administrator or root access, performing a deeper and more accurate check of local configuration settings and file systems, making it a highly recommended feature.
Founder at Cipheroot Cybersecurity Solutions
The scanning and reporting features are the most valuable aspects of Tenable Nessus.
SOC Engineer at a outsourcing company with 10,001+ employees
The most valuable features of Tenable Nessus include its ease of access and quick usability.
Security Center Coordinator at a comms service provider with 1-10 employees
 

Categories and Ranking

Qualys TotalCloud
Sponsored
Ranking in Vulnerability Management
11th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
46
Ranking in other categories
Container Security (11th), Cloud Workload Protection Platforms (CWPP) (8th), Cloud Security Posture Management (CSPM) (8th), SaaS Security Posture Management (SSPM) (2nd), Cloud-Native Application Protection Platforms (CNAPP) (7th)
SentinelOne Singularity Clo...
Ranking in Vulnerability Management
4th
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
140
Ranking in other categories
Cloud and Data Center Security (5th), Container Security (3rd), Cloud Workload Protection Platforms (CWPP) (4th), Cloud Security Posture Management (CSPM) (3rd), Cloud-Native Application Protection Platforms (CNAPP) (3rd), Compliance Management (1st), AI Observability (4th)
Tenable Nessus
Ranking in Vulnerability Management
3rd
Average Rating
8.4
Reviews Sentiment
6.2
Number of Reviews
88
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Vulnerability Management category, the mindshare of Qualys TotalCloud is 1.2%, up from 1.0% compared to the previous year. The mindshare of SentinelOne Singularity Cloud Security is 2.4%, up from 2.1% compared to the previous year. The mindshare of Tenable Nessus is 3.6%, down from 7.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Vulnerability Management Mindshare Distribution
ProductMindshare (%)
Tenable Nessus3.6%
SentinelOne Singularity Cloud Security2.4%
Qualys TotalCloud1.2%
Other92.8%
Vulnerability Management
 

Featured Reviews

reviewer2859021 - PeerSpot reviewer
Sr Security Engineer at a tech vendor with 5,001-10,000 employees
Risk-based triage has transformed container security and now prioritizes high-impact threats
The best features Qualys TotalCloud offers currently include managing cloud infrastructure and container security while facing major challenges such as alert fatigue. Traditional vulnerability scanners flag hundreds of CVEs on short-lived Kubernetes containers, some of which have no internet exposure or are gone before we can even triage them. I leverage Qualys TotalCloud to move beyond static CVSS. I use it to implement runtime exposure, correlation risk reprioritization, and shift-left integration. This notifies developers to fix a base image upstream rather than patching live ephemeral instances. In my work with cloud and container security, the biggest operational hurdle was alert fatigue. I use Qualys to shift left from static CVSS severity to context-aware risk prioritization. I correlated raw vulnerability data with real-time risk factors such as public network exposure, active runtime execution, or overly permissive IAM roles. This allows us to immediately drop the priority of isolated containers and escalate lower-severity CVEs that sit on an exposed, high-risk path. We can map these findings directly back to our CI/CD pipelines so developers can patch the root base images upstream. We have drastically cut down the signal-to-noise ratio, saved a lot of manual hours doing triage work, and ensured engineering effort goes directly towards high-impact risk reduction.
KP
Software Developer at Softcell Technologies Limited
Advanced rollback and AI-driven insights have protected endpoints and simplified security operations
We can check multiple types of alerts and triggers, and we can analyze these. There are many types of functions such as Kill, Quarantine, and remediate rollback types of features, which we can use for client safety. The rollback feature is the best feature because it is only used in SentinelOne Singularity Cloud Security. We have used multiple types of EDR, but the rollback feature is unique to SentinelOne Singularity Cloud Security. When many types of attacks happen in an organization, the rollback feature deletes all types of malicious files and other malware-type files and completely cleans your system. This feature is very interesting according to me. SentinelOne Singularity Cloud Security provides many types of features such as Kill and Quarantine, which are very interesting features for security operations. There are deep visibility features, and Purple AI is also one of the best features. It is easy for security operations and incident response. We can check log analysis with the help of deep visibility, and any types of attacks, malware, and phishing attacks are detected by SentinelOne Singularity Cloud Security. Many types of security operations can be tracked and observed with the help of SentinelOne Singularity Cloud Security. Purple AI is one of the interesting features in SentinelOne Singularity Cloud Security. Deep visibility is one of the best features in SentinelOne Singularity Cloud Security. You can find any types of logs and any types of devices through searching portals, similar to Google search. It gives you information regarding this. With deep visibility, you can search for any name. For example, we can search for any name and check what is happening with that person's laptops, what USB is connected or disconnected, and whether the network is connected or not. This is with the help of Purple AI.
MohammedJaffir - PeerSpot reviewer
Founder at Cipheroot Cybersecurity Solutions
Has enabled me to reduce false positives and perform deep credential auditing with seamless integrations
I mostly use the configuration audit feature for the audit configuration as a scan policy, and I will use it for credential audit, which helps me scan credentials access such as local administrator or root access, performing a deeper and more accurate check of local configuration settings and file systems, making it a highly recommended feature. Regarding integration capabilities, we can integrate Tenable Nessus with SIM tools such as Splunk, IBM QRadar, and Azure Sentinel, as well as with ticketing systems such as ServiceNow, Jira, and Slack. There is no complexity as it is very easy to integrate everything. In terms of the reporting feature, while vulnerability scanning can throw some false positives, Tenable Nessus has very few, achieving a reduction of 75% to 80% false positives with manual analysis needed. We can generate standard Nessus reports that typically include host summaries and vulnerabilities by host and plugin, alongside solutions and remediation recommendations. The main benefits I get from Tenable Nessus are complete asset inventory and comprehensive attack surface management, allowing us to prioritize vulnerabilities based on risk, focusing on true risk and threat path analysis.
report
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913,806 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Comms Service Provider
16%
Outsourcing Company
12%
Manufacturing Company
11%
Financial Services Firm
10%
Financial Services Firm
13%
Computer Software Company
9%
Manufacturing Company
9%
Comms Service Provider
6%
Financial Services Firm
10%
Manufacturing Company
9%
Government
8%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business14
Midsize Enterprise5
Large Enterprise34
By reviewers
Company SizeCount
Small Business63
Midsize Enterprise28
Large Enterprise64
By reviewers
Company SizeCount
Small Business41
Midsize Enterprise19
Large Enterprise35
 

Questions from the Community

What needs improvement with Qualys TotalCloud?
In terms of improvement, remediation still belongs to the cloud team, which is one of the issues we faced with Qualys...
What is your primary use case for Qualys TotalCloud?
My main use case for Qualys TotalCloud is regarding the cloud visibility that we were not having previously. Previous...
What is your experience regarding pricing and costs for PingSafe?
I have not personally dealt with pricing, setup costs, and licensing because in the end I only work on the console an...
What needs improvement with PingSafe?
In my opinion, there is not much to improve with SentinelOne Singularity Cloud Security as it is really good software...
What is your primary use case for PingSafe?
My main use case for SentinelOne Singularity Cloud Security is managing security incidents for the various companies ...
How would you choose between Rapid7 InsightVM and Tenable Nessus?
You have full visibility across cloud, network, virtual, and containerized infrastructures with Rapid7 Insight VM. Yo...
What's the difference between Tenable Nessus and Tenable.io Vulnerability Management?
Tenable Nessus is a vulnerability assessment solution that is both easy to deploy and easy to manage. The design of ...
What is your experience regarding pricing and costs for Tenable Nessus?
Based on my experience, the pricing for Tenable Nessus is somewhat higher, but customers still want to pay for it, so...
 

Also Known As

Qualys TotalCloud with FlexScan
PingSafe
No data available
 

Overview

 

Sample Customers

Information Not Available
Information Not Available
Bitbrains, Tesla, Just Eat, Crosskey Banking Solutions, Covenant Health, Youngstown State University
Find out what your peers are saying about SentinelOne Singularity Cloud Security vs. Tenable Nessus and other solutions. Updated: September 2026.
913,806 professionals have used our research since 2012.