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ThreatLocker Cyber Hero MDR vs UnderDefense comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 9, 2026

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
8.0
ThreatLocker Cyber Hero MDR boosts ROI by enhancing security, reducing threats, and increasing client revenue with proactive measures.
Sentiment score
8.0
Users saved time with detailed alerts, improving productivity and focus on development, security, and customer engagement.
One customer who previously did not have anything like this mentioned having peace of mind, which is invaluable for a business owner.
President & Chief Executive Officer at OneconnectionIT
It saves us from extensive remediation when a compromise occurs and aids in proactive measures before threats arise.
Support engineer at Strikeworks Media
We now have enough to support technicians and bring someone else on board, which we could not do before because we were very inexpensive.
Log triage no longer takes up our security team's calendar, allowing those hours to go into platform architecture, our DRM protections, and proactive hardening.
SEO And Outreach Specialist at a tech vendor with 11-50 employees
Each alert comes with the caller, the endpoint, and the queries, so we do not dig through logs.
Internet Marketing Manager at a tech vendor with 51-200 employees
I have seen a return on investment, mainly in time and not having to build a team, as we did not need to hire a security team to get around-the-clock cloud coverage.
BD with 10,001+ employees
 

Customer Service

Sentiment score
9.1
ThreatLocker Cyber Hero MDR's customer service is praised for its quick, responsive, and knowledgeable support team, fostering high satisfaction.
Sentiment score
9.5
UnderDefense's customer service earns high ratings for exceptional responsiveness, clear communication, and quick assistance, achieving perfect satisfaction scores.
The senior team at ThreatLocker is also very accessible in case we need any help.
CTO at FutureRange
ThreatLocker's support and Cyber Heroes have the absolute best support in the industry, in my opinion, bar none.
Manager and co founder at Integrita Systems
The ThreatLocker team has been fantastic, assisting us at every step.
Support engineer at Strikeworks Media
When we needed a baseline adjusted or a finding explained, we got a clear answer quickly.
SEO And Outreach Specialist at a tech vendor with 11-50 employees
I would rate the customer support on a scale of 1 to 10 as 10.
Founder at Urlicer
The customer support has been responsive and helpful.
Internet Marketing Manager at a tech vendor with 51-200 employees
 

Scalability Issues

Sentiment score
9.0
ThreatLocker Cyber Hero MDR is highly scalable, quick to implement, and effortlessly handles extensive user and device growth.
Sentiment score
8.5
UnderDefense seamlessly manages high-traffic and dynamic environments, ensuring reliable coverage amidst increasing customer and endpoint volumes.
I can onboard a new customer in no time, freeing up time for my team to onboard as many as needed without it taking too much time.
President & Chief Executive Officer at OneconnectionIT
Scalability is great; I would rate it a ten out of ten.
Support engineer at Strikeworks Media
It scales with you.
Our platform sees sharp spikes from bulk uploads and fast-spreading assets, and UnderDefense Agentic AI SOC handles them without needing us to resize or retune anything.
SEO And Outreach Specialist at a tech vendor with 11-50 employees
UnderDefense's scalability is good, as the same coverage applies as our cloud environment grows without us changing anything on our side.
BD with 10,001+ employees
Our traffic is high, and UnderDefense handles it without us changing anything.
Internet Marketing Manager at a tech vendor with 51-200 employees
 

Stability Issues

Sentiment score
8.8
ThreatLocker Cyber Hero MDR is highly reliable, with users praising its stability and prompt threat resolution despite occasional training issues.
Sentiment score
9.1
UnderDefense is praised for its stability, consistently providing reliable performance even during high traffic and stress scenarios.
What's been wonderful about ThreatLocker is when we have found an issue and identified it, the entire team has taken those things seriously and gotten them remediated for us and our clients quickly, and more quickly than I've experienced with other vendors.
Manager and co founder at Integrita Systems
I would rate it around nine out of ten.
Support engineer at Strikeworks Media
We use it every day and it has run steadily, including when our traffic is high.
Internet Marketing Manager at a tech vendor with 51-200 employees
 

Room For Improvement

Desirable features include integration, affordability, EDR improvements, better training, communication, patch management, third-party API support, and granular control.
Focus on including internal identifiers in alerts and onboarding templates to improve user experience and reduce setup time.
It is preferred that everything is seen under one tool rather than multiple platforms requiring multiple logins.
President & Chief Executive Officer at OneconnectionIT
The Cyber Hero Support is not as effective as it is portrayed.
From an MDR perspective, the solution can have the ability to ingest logs from other sources, such as M365, firewalls, external sources, and even cloud SaaS-based platforms.
CTO at FutureRange
It is worth it for accurate triage later, but a template for common upload patterns will shorten that time.
SEO And Outreach Specialist at a tech vendor with 11-50 employees
The setup and daily use have both been smooth.
BD with 10,001+ employees
Showing the customer name in the alert would help.
Internet Marketing Manager at a tech vendor with 51-200 employees
 

Setup Cost

ThreatLocker Cyber Hero MDR is seen as competitively priced, offering good value, especially for larger companies, with flexible options.
Users find UnderDefense cost-effective, easy to set up, and transparently priced, offering great value compared to in-house solutions.
Pricing is a bit high, with a minimum of 50 devices.
It manager at a construction company with 11-50 employees
We would have been one of the biggest partners in Ireland, so we got pretty good pricing at the start, and it is still competitive.
CTO at FutureRange
We have an essential users package where we charge per head, and then we have an advanced security offering that we charge per head, and we've baked ThreatLocker into that advanced offering for our clients.
Technology Consultant at a consultancy with 1-10 employees
licensing was clear from the start, giving me good value for the price
Founder at Urlicer
Compared with building the same coverage in-house, it is a much lower cost and did not require us to hire.
SEO And Outreach Specialist at a tech vendor with 11-50 employees
Pricing was fair for what we get, setup was easy and took very little of our time, and the licensing was clear from the start, enabling us to see good value for the price.
BD with 10,001+ employees
 

Valuable Features

ThreatLocker Cyber Hero MDR enhances security with application ringfencing, quick incident responses, and 24/7 monitoring, boosting trust and productivity.
UnderDefense offers anomaly detection, noise filtering, proactive reporting, 24/7 support, AI accuracy, governance, and efficient alert triage.
We've seen an 80% to 90% improvement in remediation.
Support engineer at Strikeworks Media
There is a tremendous amount that is helpful, such as their recording, watching the systems, locking down the systems, and their training.
When the update rolled out for version 18, it was able to catch a 3CX Supply Chain attack where a client had downloaded a DLL file that was trying to steal the authenticated Office 365 or authenticated G Suite tokens.
Technology Consultant at a consultancy with 1-10 employees
The linking, the filtering, and the readable reasoning each help on their own, but together, they allow a small security team to handle the volume our platform produces without losing sight of the cases that matter.
SEO And Outreach Specialist at a tech vendor with 11-50 employees
It has full-time support 24/7 with proactive reports, and monitoring runs around the clock.
Founder at Urlicer
The sorting signals and clear reports help my team day-to-day because every morning we look at a short list of cases that matter instead of a long list of raw alerts, and each case comes with the full picture, so we can decide in a few minutes whether it needs action.
BD with 10,001+ employees
 

Categories and Ranking

ThreatLocker Cyber Hero MDR
Ranking in Managed Detection and Response (MDR)
9th
Average Rating
9.2
Reviews Sentiment
8.7
Number of Reviews
9
Ranking in other categories
No ranking in other categories
UnderDefense
Ranking in Managed Detection and Response (MDR)
10th
Average Rating
10.0
Reviews Sentiment
7.2
Number of Reviews
5
Ranking in other categories
Endpoint Detection and Response (EDR) (22nd), Security Orchestration Automation and Response (SOAR) (10th), SOC as a Service (4th), Extended Detection and Response (XDR) (15th), Compliance Management (10th), AI-SOC (8th), AI-Powered Security Automation (4th)
 

Mindshare comparison

As of November 2026, in the Managed Detection and Response (MDR) category, the mindshare of ThreatLocker Cyber Hero MDR is 1.2%, up from 1.2% compared to the previous year. The mindshare of UnderDefense is 0.8%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Managed Detection and Response (MDR) Mindshare Distribution
ProductMindshare (%)
ThreatLocker Cyber Hero MDR1.2%
UnderDefense0.8%
Other98.0%
Managed Detection and Response (MDR)
 

Featured Reviews

Andres Plaza - PeerSpot reviewer
President & Chief Executive Officer at OneconnectionIT
Enables granular control through Ringfencing and works seamlessly for us as an MSP
The most valuable feature is ringfencing. It enables us to only allow what needs to be allowed into the environment and keep out anything else. It permits applications to perform without accessing anything they are not supposed to. For instance, if an application tries to utilize the command prompt unnecessarily, it blocks this action while still allowing users to operate the application. Being able to let the user or the customer continue to use that application but block the application from using the command prompt because it is not necessary is great. Being able to inform customers about enhanced security from a zero-trust standpoint has significantly improved our sales. We are able to walk up to a customer or call a new prospect and let them know that we are going to keep them secure at a level that they have not seen before. We are able to explain to them how cybersecurity works through it.
Ivan Voitovych - PeerSpot reviewer
Founder at Urlicer
AI-driven SOC triage has transformed threat monitoring and keeps our security work focused
The best features UnderDefense offers include mostly triage in-context signals read together across my stack, where one finding replaces many separate checks. A good thing too is its false positive suppression, as I do not get false notifications. Normal activity such as traffic spikes during customer events is recognized and documented, and only the unusual cases reach me. It has full-time support 24/7 with proactive reports, and monitoring runs around the clock. Reports and alerts come to me without even noticing or asking, so it is very useful. My team sees what happened without having to chase it. I find the proactive reporting and 24/7 support to have definitely made a real difference. Proactive reports mean I hear about what happened without having to ask, so I know the state of things at the start of the day, and 24/7 support matters most for traffic spikes and other events outside busy working hours, as I get an answer when I need one without keeping someone on call just in case, saving me a lot of time. Together, they let my team stay on infrastructure work and step in only when a decision is needed. Regarding UnderDefense's AI capabilities, I think the governance and security is the best there is, as the decisions that matter stay with my team and each finding is documented, allowing me to review afterwards how a conclusion was reached. That control and traceability is what I need from AI in a security role. The accuracy and reliability of UnderDefense's AI output is accurate and steady, as findings have matched what I saw when I checked them, and the pattern assessments are consistent, especially during large traffic events or spikes, which is when I depend on them most. When a case needs judgment, the reasoning is there so I can confirm it myself.
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Top Industries

By visitors reading reviews
Comms Service Provider
14%
University
12%
Computer Software Company
9%
Outsourcing Company
9%
Manufacturing Company
39%
Construction Company
13%
Security Firm
11%
Outsourcing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business8
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for ThreatLocker Cyber Hero MDR?
The pricing is cost-efficient and provides good value given the level of security enhancement it provides.
What needs improvement with ThreatLocker Cyber Hero MDR?
There are still gaps in the EDR when benchmarked against SentinelOne, but it's improving quickly. The ability for ThreatLocker to digest the 365 logs provides an elevated level of 365 protectio...
What is your primary use case for ThreatLocker Cyber Hero MDR?
Our primary use case for ThreatLocker Cyber Hero MDR ( /products/threatlocker-cyber-hero-mdr-reviews ) is to reinforce a zero trust environment. We utilize it to avoid security faults and improve d...
What is your primary use case for UnderDefense?
Our main use case for UnderDefense Agentic AI SOC is to watch how accounts actually use our platform. Our product is a large database of creator data that customers search and export, so the bigges...
What is your experience regarding pricing and costs for UnderDefense?
The experience with pricing, setup cost, and licensing has been fair for what we get. Compared with building the same coverage in-house, it is a much lower cost and did not require us to hire. The ...
What needs improvement with UnderDefense?
UnderDefense could improve in onboarding, which takes some dedicated time because the baseline for our high volume upload events needs to be set up first. It is worth it for accurate triage later, ...
 

Interactive Demo

Demo not available
 

Overview

 

Sample Customers

Information Not Available
Kyte, Betsson Grourp, Mammut, Accedian.
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