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HackerOne vs Nucleus Security comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 23, 2026

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

HackerOne
Ranking in Application Security Tools
16th
Ranking in Vulnerability Management
29th
Average Rating
8.4
Reviews Sentiment
6.4
Number of Reviews
9
Ranking in other categories
Bug Bounty Platforms (1st), Penetration Testing Services (2nd), Attack Surface Management (ASM) (8th), AI Observability (10th)
Nucleus Security
Ranking in Application Security Tools
36th
Ranking in Vulnerability Management
53rd
Average Rating
7.6
Reviews Sentiment
6.9
Number of Reviews
2
Ranking in other categories
Risk-Based Vulnerability Management (22nd), Continuous Threat Exposure Management (CTEM) (15th)
 

Mindshare comparison

As of March 2026, in the Application Security Tools category, the mindshare of HackerOne is 0.5%, up from 0.1% compared to the previous year. The mindshare of Nucleus Security is 0.6%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Security Tools Mindshare Distribution
ProductMindshare (%)
HackerOne0.5%
Nucleus Security0.6%
Other98.9%
Application Security Tools
 

Featured Reviews

Ruphus Muita - PeerSpot reviewer
Senior ICT Security Consultant at Applied Principles Limited
Has improved my motivation to submit bugs consistently through fast response and clear filtering
I think HackerOne can be improved by allowing new users to gain access to certain programs that are only open to known, renowned users. Sometimes new users don't receive invites just because they are new, despite potentially being very skilled hackers, so I feel new users should get more chances and opportunities. I am currently satisfied with the rewards, response time, and other aspects of the platform, so I don't have anything else to add about the necessary improvements. I give HackerOne a nine out of ten because if new hackers are given more opportunities, it could be a perfect 10 for me. However, the reason I gave a nine is that I don't have much to complain about; I specifically love the program and don't have many concerns.
BJ
Technical Director at Entrust Software Development India
Centralized security testing has improved vulnerability remediation and compliance reporting
I recommend more enhancements focusing on penetration testing for both SSL over HTTP and non-SSL over HTTP, specifically targeting the RCP Rich Client Platform and Equinox frameworks that allow on-premises desktop applications to be tested simultaneously. I believe those would significantly improve the tool in the future. I choose eight as my rating primarily because of the installer app; it becomes challenging to identify the actual vulnerabilities. Once we build this installer—rather than just working on the codebase—sometimes, we face gaps considering the build parameters and conversions to the installer. Identifying those gaps is an area that could use improvement after the installer or desktop application testing, which would be beneficial. That is the only reason; otherwise, I could easily rate it a ten out of ten given its smooth operational process.

Quotes from Members

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

Pros

"HackerOne is a very good platform with the trust of different companies including Shopify, PayPal, and Uber, which creates a stronger brand perception and competitive market positioning."
"The fast verification process impacts my motivation significantly because a quick response keeps me motivated, and if I'm going to try and hunt bugs today, I would appreciate a response within the day or at least within a few days."
"Apart from getting all the bug bounty opportunities, we also get the chance to practice in a safe environment, like a demo setup. These features are great for beginners who want to explore bug bounties in the future."
"HackerOne has been the right fit for our current situation from both a functionality and cost-effectiveness perspective."
"HackerOne is larger than WebCloud and has a better reputation than BugCloud, which results in a smoother process."
"Using HackerOne has definitely improved the security of my web application, identifying security gaps I didn't realize as a web developer."
"The most valuable feature of HackerOne is its variety of programs. These programs provide depth into various areas, such as mobile, API, and websites."
"If you have a very critical vulnerability, some good companies will acknowledge it and pay you accordingly based on severity."
"We have seen clear compliance and risk control outcomes more than other operational metrics, including fewer process gaps during documentation and safety checks, strong consistency in following protocols for handling, traceability, and staff awareness, better audit readiness, a lower chance of procedure errors, and faster escalation when something appears out of standard, which is very important for us in the healthcare sector."
"I think the best features that Nucleus Security offers are purely the faster remediation to dev tools, which is crucial for managing, prioritizing, and fixing vulnerabilities while helping operational pipelines run these vulnerability management tools."
 

Cons

"However, I reduced my rating by one mark because a proper internal triage team should be in place, not as a replacement for internal security controls."
"Triage response time is a significant issue. The response time and triage speed are not fast enough, and this is causing many people to leave HackerOne."
"HackerOne provides a "HackBot" which helps identify other relevant reports, including duplicates, public reports from other companies, etc. However, the functionality is limited and it would be nice to integrate it with broader services offered like auto responses, triggers, etc."
"The ability to view the conversation between the triagers and the programs will be really good."
"Response time can be improved. The HackerOne Trust team can be slow to respond sometimes. They're not using AI, which could help reduce the number of duplicate reports."
"One limitation is that if a finding has been reported on HackerOne and was also reported earlier by another user or outsider, the platform is not able to collate that information together."
"Everything has become slower on HackerOne. I have noticed that older researchers receive all the private invites while newer ones receive fewer."
"Sometimes new users don't receive invites just because they are new, despite potentially being very skilled hackers, so I feel new users should get more chances and opportunities."
"I choose eight as my rating primarily because of the installer app; it becomes challenging to identify the actual vulnerabilities."
"Protocols can be too complex in practice sometimes, and some processes can feel heavy and disconnected from our daily workflow."
 

Pricing and Cost Advice

"The tool is open-source and free for bug bounty hunters."
"The solution is free."
Information not available
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Top Industries

By visitors reading reviews
Comms Service Provider
11%
Computer Software Company
11%
Manufacturing Company
10%
Financial Services Firm
9%
Computer Software Company
17%
Financial Services Firm
9%
Insurance Company
6%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business6
Midsize Enterprise1
Large Enterprise4
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for HackerOne?
I have not experienced any costs since I use HackerOne independently, just logging into the site, hunting bugs, and submitting them without any expenses.
What needs improvement with HackerOne?
HackerOne has trust from companies such as Shopify, PayPal, and Uber, which provides a stronger brand perception and competitive market positioning. However, I reduced my rating by one mark because...
What is your primary use case for HackerOne?
I use HackerOne for the bug bounty platform to find security issues. When we discover vulnerabilities, we receive awards for them. Before testing any new payment API for public release, we can have...
What is your experience regarding pricing and costs for Nucleus Security?
I have a good experience with that, so we don't have much problem dealing with pricing, setup, and licensing.
What needs improvement with Nucleus Security?
I think it can be improved by making it more practical, integrated, and easier for teams to apply in real-world workflow from a healthcare perspective. The main improvements I can see right now are...
What is your primary use case for Nucleus Security?
I have been using Nucleus Security for the past few years in my company, particularly in the healthcare field.I use Nucleus Security especially for understanding radiation safety, nuclear medicine,...
 

Also Known As

HackerOne Assets, HackerOne Pentesting Services, HackerOne Security Assessments, HackerOne Vulnerability Management
No data available
 

Overview

 

Sample Customers

Anthropic, Crypto.com, General Motors, GitHub, Goldman Sachs, Uber, and the U.S. Department of Defense
Information Not Available
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