Contrast Security Assess vs Defensics Fuzzing comparison

The compared Contrast Security and Black Duck solutions aren't in the same category. Contrast Security is ranked #26 in SAST , with an average rating of 8.0, and holds a 0.5% mindshare in the category. Black Duck is ranked #5 in FTT , and holds a 22.4% mindshare. Additionally, 100% of Contrast Security users are willing to recommend the solution, compared to 100% of Black Duck users who would recommend it.

Contrast Security Assess

Read 11 Contrast Security Assess reviews

1,243 Views
709 Comparison Views

100% willing to recommend

Defensics Fuzzing

Read 4 Defensics Fuzzing reviews

1,116 Views
112 Comparison Views

100% willing to recommend

Contrast Security Assess

Defensics Fuzzing

Comparison Buyer's Guide

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Executive Summary

We performed a comparison between Contrast Security Assess and Defensics Fuzzing based on real PeerSpot user reviews.

Find out what your peers are saying about Sonar, Veracode, Checkmarx and others in Static Application Security Testing (SAST).

To learn more, read our detailed Static Application Security Testing (SAST) Report (Updated: August 2025).

Buyer's Guide

Static Application Security Testing (SAST)

August 2025

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Helped 865,164 peers since 2012

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

Contrast Security Assess

Average Rating

8.8

Reviews Sentiment

7.2

Number of Reviews

Ranking in other categories

Application Security Tools (27th), Static Application Security Testing (SAST) (26th)

Defensics Fuzzing

Average Rating

8.6

Number of Reviews

Ranking in other categories

Fuzz Testing Tools (5th)

Mindshare comparison

While both are Quality Assurance solutions, they serve different purposes. Contrast Security Assess is designed for Static Application Security Testing (SAST) and holds a mindshare of 0.5%, up 0.4% compared to last year.
Defensics Fuzzing, on the other hand, focuses on Fuzz Testing Tools, holds 22.4% mindshare, up 17.4% since last year.

Static Application Security Testing (SAST)

Fuzz Testing Tools

Featured Reviews

ToddMcAlister

Lead Application and Data Security Engineer at a insurance company with 5,001-10,000 employees

It has an excellent API interface to pull APIs.

Assess has brought our development time down because it helps create code the first time. Instead of going through the Jenkins process to build an application, they can see right off the bat that if there are errors in the code and fix them before it even goes to build.

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Sarath Kumar Choday

Senior Technical Lead at HCL Technologies

Product security tests for switches and router sections

Codenomicon Defensics should be more advanced for the testing sector. It should be somewhat easy and flexible to install. What I see in the documentation isn't that. Even if something doesn't malfunction, sometimes it is hard to install and execute. The product needs video documentation. This would help a lot more.

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Quotes from Members

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

Pros

"The solution is very accurate in identifying vulnerabilities. In cases where we are performing application assessment using Contrast Assess, and also using legacy application security testing tools, Contrast successfully identifies the same vulnerabilities that the other tools have identified but it also identifies significantly more. In addition, it has visibility into application components that other testing methodologies are unaware of."

"The accuracy of the solution in identifying vulnerabilities is better than any other product we've used, far and away. In our internal comparisons among different tools, Contrast consistently finds more impactful vulnerabilities, and also identifies vulnerabilities that are nearly guaranteed to be there, meaning that the chance of false positives is very low."

"I am impressed with the product's identification of alerts and vulnerabilities."

"When we access the application, it continuously monitors and detects vulnerabilities."

"Assess has an excellent API interface to pull APIs."

"This has changed the way that developers are looking at usage of third-party libraries, upfront. It's changing our model of development and our culture of development to ensure that there is more thought being put into the usage of third-party libraries."

"The most valuable feature is the continuous monitoring aspect: the fact that we don't have to wait for scans to complete for the tool to identify vulnerabilities. They're automatically identified through developers' business-as-usual processes."

"By far, the thing that was able to provide value was the immediate response while testing ahead of release, in real-time."

More Contrast Security Assess pros

"We have found multiple issues in our embedded system network protocols, related to buffer overflow. We have reduced some of these issues."

"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."

"The product is related to US usage with TLS contact fees, i.e. how more data center connections will help lower networking costs."

Cons

"Contrast's ability to support upgrades on the actual agents that get deployed is limited. Our environment is pretty much entirely Java. There are no updates associated with that. You have to actually download a new version of the .jar file and push that out to your servers where your app is hosted. That can be quite cumbersome from a change-management perspective."

"The solution needs to improve flexibility...The scalability of the product is a problem in the solution, especially from a commercial perspective."

"The product's retesting part needs improvement. The tool also needs improvement in the suggestions provided for fixing vulnerabilities. It relies more on documentation rather than on quick fixes."

"The out-of-the-box reporting could be improved. We need to write our own APIs to make the reporting more robust."

"The setup of the solution is different for each application. That's the one thing that has been a challenge for us. The deployment itself is simple, but it's tough to automate because each application is different, so each installation process for Contrast is different."

"I think there was activity underway to support the centralized configuration control. There are ways to do it, but I think they were productizing more of that."

"I would like to see them come up with more scanning rules."

"The solution should provide more details in the section where it shows that third-party libraries have CVEs or some vulnerabilities."

More Contrast Security Assess cons

"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 and Cost Advice

"I like the per-application licensing model... We just license the app and we look at different vulnerabilities on that app and we remediate within the app. It's simpler."

"It's a tiered licensing model. The more you buy, as you cross certain quantity thresholds, the pricing changes. If you have a smaller environment, your licensing costs are going to be different than a larger environment... The licensing is primarily per application. An application can be as many agents as you need. If you've got 10 development servers and 20 production servers and 50 QA servers, all of those agents can be reporting as a single application that utilizes one license."

"For what it offers, it's a very reasonable cost. The way that it is priced is extremely straightforward. It works on the number of applications that you use, and you license a server. It is something that is extremely fair, because it doesn't take into consideration the number of requests, etc. It is only priced based on the number of onboarded applications. It suits our model as well, because we have huge traffic. Our number of applications is not that large, so the pricing works great for us."

"The good news is that the agent itself comes in two different forms: the unlicensed form and the licensed form. Unlicensed gives use of that software composition analysis for free. Thereafter, if you apply a license to that same agent, that's when the instrumentation takes hold. So one of my suggestions is to do what we're doing: Deploy the agent to as many applications as possible, with just the SCA feature turned on with no license applied, and then you can be more choosy and pick which teams will get the license applied."

"You only get one license for an application. Ours are very big, monolithic applications with millions of lines of code. We were able to apply one license to one monolithic application, which is great. We are happy with the licensing. Pricing-wise, they are industry-standard, which is fine."

"The solution is expensive."

"The product's pricing is low. I would rate it a two out of ten."

"Licensing is a bit expensive."

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Top Industries

By visitors reading reviews

Financial Services Firm

22%

Manufacturing Company

12%

Computer Software Company

Insurance Company

Computer Software Company

20%

Manufacturing Company

16%

Financial Services Firm

Media Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

Questions from the Community

What do you like most about Contrast Security Assess?

When we access the application, it continuously monitors and detects vulnerabilities.

See all answers

What needs improvement with Contrast Security Assess?

Technical support for the solution should be faster. We have to further analyze what kind of CVEs are in the reported libraries and what part of the code is affected. That analysis can be added to ...

See all answers

What advice do you have for others considering Contrast Security Assess?

Contrast Security Assess is deployed on-cloud in our organization. I would recommend Contrast Security Assess to other users. It's a really good tool. It provides lots of details on web-based vulne...

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Comparisons

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Compared 7% of the time

SonarQube Server (formerly SonarQube) vs Contrast Security Assess

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Compared 31% of the time

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Compared 13% of the time

Veracode vs Defensics Fuzzing

Compared 11% of the time

Coverity vs Defensics Fuzzing

Compared 11% of the time

Ixia BreakingPoint vs Defensics Fuzzing

Compared 10% of the time

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Product Reports

Buyer's Guide

Contrast Security Assess

August 2025

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Defensics Fuzzing vs. GitLab

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Also Known As

Contrast Assess

Codenomicon Defensics

Overview

Contrast Security is the world’s leading provider of security technology that enables software applications to protect themselves against cyberattacks, heralding the new era of self-protecting software. Contrast's patented deep security instrumentation is the breakthrough technology that enables highly accurate assessment and always-on protection of an entire application portfolio, without disruptive scanning or expensive security experts. Only Contrast has sensors that work actively inside applications to uncover vulnerabilities, prevent data breaches, and secure the entire enterprise from development, to operations, to production.

Contrast Security

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.

Black Duck

Sample Customers

Williams-Sonoma, Autodesk, HUAWEI, Chromeriver, RingCentral, Demandware.

Coriant, CERT-FI, Next Generation Networks

Buyer's Guide

Static Application Security Testing (SAST)

August 2025

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