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Symantec Advanced Threat Protection vs The NodeZero Platform by Horizon3.ai comparison

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Comparison Buyer's Guide

Executive Summary

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

Symantec Advanced Threat Pr...
Ranking in Advanced Threat Protection (ATP)
24th
Average Rating
7.8
Reviews Sentiment
7.1
Number of Reviews
16
Ranking in other categories
No ranking in other categories
The NodeZero Platform by Ho...
Ranking in Advanced Threat Protection (ATP)
14th
Average Rating
8.8
Reviews Sentiment
6.0
Number of Reviews
28
Ranking in other categories
Vulnerability Management (9th), Penetration Testing Services (1st), Breach and Attack Simulation (BAS) (1st), Risk-Based Vulnerability Management (2nd), AI-Powered Penetration Testing (1st)
 

Mindshare comparison

As of September 2026, in the Advanced Threat Protection (ATP) category, the mindshare of Symantec Advanced Threat Protection is 2.1%, up from 1.6% compared to the previous year. The mindshare of The NodeZero Platform by Horizon3.ai is 1.2%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Advanced Threat Protection (ATP) Mindshare Distribution
ProductMindshare (%)
The NodeZero Platform by Horizon3.ai1.2%
Symantec Advanced Threat Protection2.1%
Other96.7%
Advanced Threat Protection (ATP)
 

Featured Reviews

Dennis O'Reilly - PeerSpot reviewer
Cyber SecOps Principal at Dotcom Security
Provides end-to-end antivirus protection and has good stability
Symantec Endpoint Protection provides end-to-end protection. Along with antivirus protection, it has a lot of key areas, including intrusive prevention, firewall features, and application and device control. It can integrate with other Broadcom solutions, such as Symantec Messaging Gateway and Symantec DLP. If you want to send an email, it gets scanned through endpoint protection and DLP. We get all Symantec functionality in a single pane.
Brent Hamlin - PeerSpot reviewer
Infrastructure Manager at a construction company with 501-1,000 employees
Continuous threat scanning has improved remediation time and strengthened executive reporting
The best features that The NodeZero Platform by Horizon3.ai offers include the automated scans, which are great to use; you set it, scope it, and let it go, which works really well. The executive reporting feature is impactful for me as a manager, providing a strong foundation to give quarterly and yearly reports to our executives and board to see the state of our infrastructure from a security standpoint. The level of detail and clarity in the executive reports from The NodeZero Platform by Horizon3.ai absolutely helps me communicate effectively with leadership. They are detailed enough for me to extract the necessary information tailored for the executives and to provide a broader perspective on our mitigation efforts or accepted risk stance and where additional controls exist. The NodeZero Platform by Horizon3.ai has positively impacted my organization by giving us a better continuous picture of our security posture, what's exploitable, and what can be used against the organization. It allows us to run scans whenever needed, unlike a single third-party system that only provides a snapshot in time; our processes must be ongoing as the security landscape is dynamic. NodeZero's endpoint security effectiveness feature impacts my understanding of potential security threats by providing a clear picture of both the external and internal landscapes within my organization, enabling me to prioritize and adjust as needed for vulnerabilities such as WordPress plugin issues or user enumerations and software code version assessments. I have built The NodeZero Platform by Horizon3.ai into our weekly and monthly workflows for security CI/CD, and we scan our externally accessible assets every week to address anything quickly if it comes up. That includes our firewalls, websites, and anything that is an external web server, which we scan weekly, while the monthly scans are for internal systems that feed our security CI/CD pipeline, enabling us to action across and prioritize any vulnerabilities caught by The NodeZero Platform by Horizon3.ai.

Quotes from Members

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

Pros

"What I like most about Symantec Advanced Threat Protection is its notification capability."
"Overall, the product supports everything already feature-wise, because it has email protection, monitoring detection, network intrusion detection, and advanced threat protection."
"They have a very simple and easy implementation; they have been around for a long time, and they have been very easy to deploy, support, and manage."
"The great advantage in using this product is it creates multiple services."
"The stability is excellent."
"Technical support has been helpful and responsive."
"You don't have to buy a separate email security platform. You can enable that using their endpoint, and I like that. You don't have to have two agents running on the same box."
"The Application Control code and the easy integration are valuable features."
"The return on investment from The NodeZero Platform by Horizon3.ai is almost one hundred percent."
"We chose The NodeZero Platform by Horizon3.ai because, first, of its superior technical capability for the use cases we were looking for, second, the cost, which we believe was much more affordable than the other products, and third, the customer and technical support was very good for us."
"Honestly, it's one of the most transformational technologies we've implemented in our company."
"I rate the stability of the NodeZero Platform a ten out of ten."
"The NodeZero Platform by Horizon3.ai has allowed us to quickly and easily identify the exploits in our environment that are greatly increasing our risk, simplified that process and also our remediation process, allowing us to more easily work with teams to show how it is exploitable and what they need to do to fix those issues, significantly improving our finding discovery and remediation process of vulnerabilities and overall decreasing our risk."
"The NodeZero Platform by Horizon3.ai is better than manual penetration test scans, definitely worth trying if you are considering using it because it reduces the time and cost associated with manual scans and presents the data in a very clear way that even non-technical people can understand."
"Penetration testing and scans are useful features."
"The NodeZero Platform by Horizon3.ai has positively impacted our organization by definitely increasing our security posture significantly."
 

Cons

"Symantec appliances need improvement. The whole appliance environment is a robust system and it needs a massive amount of storage space. If you have to increase or speed up the background storage it's a pretty complicated process. The scalability and sizing is critical, and if you do it wrong you run into issues pretty quickly."
"The administration interface needs a lot of improvement. It should be UI-based and simple."
"The product's support services need improvement."
"The support has dropped down to a five out of ten."
"There are limits with respect to blocking files by hash value or blocking IP addresses, and these limits should be removed."
"The cloud platform needs to have improvement in terms of the user interface and the different capabilities it has available. It needs to match the other leading next-gen EDR products that are available in the market. That's the reason why we are stepping away from Symantec. Their cloud environment is just generally lacking in comparison to others."
"An improvement could be made on the reporting because then it would be easier to collect information and submit it for compliance."
"The endpoint protection looks old."
"I feel there could be improvements in scalability, although at this point I have no specific negative points to report."
"I think The NodeZero Platform could improve by leveraging GPUs for password cracking, which would be pretty good."
"I think customizability is one area of The NodeZero Platform by Horizon3.ai that could be improved or enhanced."
"The reports are quite useless."
"We did hundreds of tests, so that is why we did not continue, as it was very expensive for a very low yield."
"The NodeZero Platform by Horizon3.ai can be improved in some ways, particularly regarding the test scan sometimes."
"The only issue we’ve encountered is that sometimes the scans take a long time to complete."
"The areas for improvement for The NodeZero Platform involve integration and automation. It would be beneficial if it could integrate directly with vulnerability management tools that would allow the platform to automatically import data, identify vulnerable systems, and test targets immediately, potentially even enabling automated feedback loops for rescanning since the process is currently manual."
 

Pricing and Cost Advice

"The price is quite expensive."
"The pricing of this solution is inexpensive and affordable."
"Pricing is good. It is nice to have a great product at a fair price."
"Symantec Advanced Threat Protection's pricing is comparable."
"Symantec Endpoint Protection has an average price."
Information not available
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Top Industries

By visitors reading reviews
Outsourcing Company
17%
Financial Services Firm
10%
Manufacturing Company
9%
Marketing Services Firm
8%
Comms Service Provider
9%
Manufacturing Company
8%
Outsourcing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise3
Large Enterprise13
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise5
Large Enterprise12
 

Questions from the Community

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What needs improvement with Horizon3.ai?
The NodeZero Platform by Horizon3.ai could be improved if automated fixes could be implemented, which would be fantastic. I rate it an eight because speeding up the penetration test time for runnin...
What is your primary use case for Horizon3.ai?
My main use case for The NodeZero Platform by Horizon3.ai is penetration testing for cybersecurity. A specific example of how I have used The NodeZero Platform by Horizon3.ai for penetration testin...
What advice do you have for others considering Horizon3.ai?
The NodeZero Platform by Horizon3.ai's AI capabilities demonstrate very good governance and security, which I like very much as it has been helpful to my team and it really allows us to tackle the ...
 

Also Known As

No data available
Horizon3.ai
 

Overview

 

Sample Customers

ECI
Government agencies, Defense Industrial Base organizations, and enterprises in regulated industries such as finance, healthcare, manufacturing, and criticalinfrastructure rely on NodeZero to meet rigorous security and compliance requirements with continuous, scheduled, and on-demand testing.
Find out what your peers are saying about Symantec Advanced Threat Protection vs. The NodeZero Platform by Horizon3.ai and other solutions. Updated: September 2026.
913,683 professionals have used our research since 2012.