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Defensics Protocol Fuzzing Reviews

Vendor: Black Duck
4.3 out of 5
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What is Defensics Protocol Fuzzing?

Defensics® fuzz testing is a comprehensive, powerful, and automated black box solution that enables organizations to effectively and efficiently discover and remediate security weaknesses in software. By taking a systematic and intelligent approach to negative testing, Defensics allows organizations to ensure software security without compromising on product innovation, increasing time to market, or inflating operational costs.

Get the Defensics Protocol Fuzzing Buyer's Guide and find out what your peers are saying about Defensics Protocol Fuzzing, GitLab, PortSwigger Burp Suite Professional and more!
Defensics Protocol Fuzzing is the #4 ranked solution in top Fuzz Testing Tools. PeerSpot users give Defensics Protocol Fuzzing an average rating of 8.6 out of 10. Defensics Protocol Fuzzing is most commonly compared to GitLab: Defensics Protocol Fuzzing vs GitLab. Defensics Protocol Fuzzing is popular among the large enterprise segment, accounting for 54% of users researching this solution on PeerSpot. The top industry researching this solution are professionals from a manufacturing company, accounting for 16% of all views.
Buyer's Guide
Defensics Protocol Fuzzing vs. GitLab
November 2025
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Helped 879,259 peers since 2012

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Defensics Protocol Fuzzing mindshare

As of December 2025, the mindshare of Defensics Protocol Fuzzing in the Fuzz Testing Tools category stands at 20.5%, up from 20.5% compared to the previous year, according to calculations based on PeerSpot user engagement data.
Fuzz Testing Tools Market Share Distribution
ProductMarket Share (%)
Defensics Protocol Fuzzing20.5%
PortSwigger Burp Suite Professional30.1%
GitLab22.6%
Other26.799999999999997%
Fuzz Testing Tools
 
 
Key learnings from peers

Valuable Features

  • "The product is related to US usage with TLS contact fees, i.e. how more data center connections will help lower networking costs."
  • "Whatever the test suit they give, it is intelligent. It will understand the protocol and it will generate the test cases based on the protocol: protocol, message sequence, protocol, message structure... Because of that, we can eliminate a lot of unwanted test cases, so we can execute the tests and complete them very quickly."
  • "We have found multiple issues in our embedded system network protocols, related to buffer overflow. We have reduced some of these issues."

Room for Improvement

  • "Codenomicon Defensics should be more advanced for the testing sector. It should be somewhat easy and flexible to install."
  • "It does not support the complete protocol stack. There are some IoT protocols that are not supported and new protocols that are not supported."
  • "Sometimes, when we are testing embedded devices, when we trigger the test cases, the target will crash immediately. It is very difficult for us to identify the root cause of the crash because they do not provide sophisticated tools on the target side. They cover only the client-side application... They do not have diagnostic tools for the target side. Rather, they have them but they are very minimal and not very helpful."

Pricing

  • "Licensing is a bit expensive."
These insights are based on the in-depth reviews provided by peers to help you make a better buying decision.
Download our Defensics Protocol Fuzzing Buyer's Guide for additional reliable information.

Top industries

By visitors reading reviews
Computer Software Company
16%
Manufacturing Company
16%
Financial Services Firm
8%
Retailer
7%
Comms Service Provider
5%
Educational Organization
4%
University
4%
Healthcare Company
4%
Outsourcing Company
4%
Media Company
3%
Real Estate/Law Firm
3%
Government
3%
Aerospace/Defense Firm
3%
Wholesaler/Distributor
3%
Insurance Company
2%
Non Profit
2%
Performing Arts
1%
Consumer Goods Company
1%
Recreational Facilities/Services Company
1%
Recruiting/Hr Firm
1%
Energy/Utilities Company
1%
Import And Exporter
1%
Construction Company
1%
Wellness & Fitness Company
1%
Hospitality Company
1%
Pharma/Biotech Company
1%
Logistics Company
1%
Renewables & Environment Company
1%
Legal Firm
1%
Leisure / Travel Company
1%

Compare Defensics Protocol Fuzzing with alternative products

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Learn more about Defensics Protocol Fuzzing

Defensics Protocol Fuzzing was previously known as Codenomicon Defensics.

Defensics Protocol Fuzzing customers

Coriant, CERT-FI, Next Generation Networks

Related questions

  • 22
What is the best tool for testing embedded software with ARM and IAR?

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Defensics Protocol Fuzzing Reviews Summary
Author infoRatingReview Summary
Senior Technical Lead at HCL Technologies4.5No summary available
Senior Lead Engineer - Product Security at a manufacturing company with 1,001-5,000 employees3.5No summary available
Application Secutiy Engineer at a healthcare company with 11-50 employees4.5No summary available
Security Product Validation Apprentice Engineer at a aerospace/defense firm with 1,001-5,000 employees4.5No summary available