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Contrast Security Assess vs OWASP Zap comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Oct 8, 2024

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
Ranking in Static Application Security Testing (SAST)
19th
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
15
Ranking in other categories
Application Security Tools (24th)
OWASP Zap
Ranking in Static Application Security Testing (SAST)
15th
Average Rating
7.6
Reviews Sentiment
7.3
Number of Reviews
41
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Static Application Security Testing (SAST) category, the mindshare of Contrast Security Assess is 1.4%, up from 0.6% compared to the previous year. The mindshare of OWASP Zap is 2.6%, down from 4.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Static Application Security Testing (SAST) Mindshare Distribution
ProductMindshare (%)
OWASP Zap2.6%
Contrast Security Assess1.4%
Other96.0%
Static Application Security Testing (SAST)
 

Featured Reviews

Eucharia Okafor - PeerSpot reviewer
Dev Ops Engineer at a tech vendor with 1,001-5,000 employees
Continuous in-app security has transformed our development workflow and has reduced manual checks
Contrast Security Assess changes how the team thinks about security. Instead of us waiting for a security audit at the end of any sprint, vulnerabilities surface as developers are writing and testing code. That shift is significant because fixing a bug in development costs more than fixing it later. It captures everything right there and remediates it because it catches vulnerability and remediates immediately while the application is running. It improves our collaboration between development and security teams, as developers get clear actionable findings immediately. We get continuous visibility into our application risk posture. Ultimately, it helps us to shift fast and save money, which is usually a trade-off, but Contrast Security Assess makes both possible. The feature that stands out most to me in Contrast Security Assess is the ability to capture vulnerability while the application is running. Another standout feature is the real-time detection that finds vulnerabilities as code runs. It has fewer false positives and works continuously in the application; you install it and it is there. It captures issues during development quickly and is easily integrated with a CI/CD pipeline, especially if you are using GitLab or GitHub. The real-time detection feature of Contrast Security Assess helps us very well compared to traditional SAST tools. Traditional tools scan from the outside and guess where problems might be. Contrast Security Assess works from the inside because it is embedded into the application. The agent lives inside the running application, allowing it to see exactly what is happening in real-time. This means we are getting accurate alerts instead of a long list of potential issues that require manual investigation. When it comes to the CI/CD pipeline, Contrast Security Assess really shines for our daily work, as it plugs directly into tools like Jenkins, GitHub, or Azure DevOps. When a developer commits code and triggers a build, Contrast Security Assess is already testing it in the background. If there is any vulnerability, the pipeline automatically flags or stops the application before bad code reaches production. This means security becomes everyone's responsibility, not just the security team's, and it gives us real-time, accurate security that fits into how our team already works.
Amit Beniwal - PeerSpot reviewer
Project Manager at Al Hassan LLC
Simplifies vulnerability discovery and has high quality support
There are areas for improvement with OWASP Zap, particularly in the alignment of vulnerabilities concerning CVSS scores. Sometimes, a vulnerability initially categorized as high severity may be reduced to medium or low over time after security patches are applied. This alignment with the present severity score and CVSS score could be improved.

Quotes from Members

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

Pros

"Overall, the product is strong and improving, support is responsive and effective, and supported integrations work for many customers."
"I am impressed with the product's identification of alerts and vulnerabilities."
"When we access the application, it continuously monitors and detects vulnerabilities."
"You cannot get much better than Contrast Security Assess for large deployments of applications and also critical applications."
"Contrast Security Assess has positively impacted my organization by improving the security features of our application."
"Contrast was a very complete solution; it met all of our technical requirements and it was really the only IAST product that felt like a real product."
"It has helped us to improve the overall security posture of the company, we are able to address the findings before they have been reported by a third-party, and it has also helped us to gain our customers' trust."
"One of the key takeaways is that in order to have a secure application, you cannot rely on just the pentest, vulnerability assessments, and the periodicity of the reviews; you need the real-time feedback on that, and Contrast Assess offers that."
"The solution is scalable."
"You can run it against multiple targets."
"The best feature is the Zap HUD (Heads Up Display) because the customers can use the website normally. If we scan websites with automatic scanning, and the website has a web application firewall, it's very difficult."
"It updates repositories and libraries quickly."
"The solution enables a person to add the certificate and check the queries, to see if there are any that are undefined, so a person can have a list of the types of queries and can trace them."
"The application scanning feature is the most valuable feature."
"The API is exceptional."
"The ZAP scan and code crawler are valuable features."
 

Cons

"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."
"Regarding the solution's OSS feature, the one drawback that we do have is that it does not have client-side support. We'll be missing identification of libraries like jQuery or JavaScript, and such, that are client-side."
"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."
"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."
"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."
"Contrast Security Assess could improve in the reporting and the dashboard experience."
"I do find that here and there with Contrast Security Assess there are user interface issues, particularly with how they work with libraries."
"The forced browse has been incorporated into the program and it is resource-intensive."
"It needs more robust reporting tools that can be in an editable form."
"They stopped their support for a short period. They've recently started to come back again. In the early days, support was much better."
"OWASP should work on reducing false positives by using AI and ML algorithms. They should expand their capabilities for broader coverage of business logic flaws and complex issues."
"The product should allow users to customize the report based on their needs."
"There are areas for improvement with OWASP Zap, particularly in the alignment of vulnerabilities concerning CVSS scores."
"The ability to search the internet for other use cases and to use the solution to make applications more secure should be addressed."
"Reporting format has no output, is cluttered and very long."
 

Pricing and Cost Advice

"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 product's pricing is low. I would rate it a two out of ten."
"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."
"The solution is expensive."
"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."
"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."
"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."
"We have used the freeware version. I believe Zap only has freeware."
"This solution is open source and free."
"It is open source, and we can scan freely."
"This app is completely free and open source. So there is no question about any pricing."
"As Zap is free and open-source, with tons of features similar to those of commercial solutions, I would definitely recommend trying it out."
"The tool is open source."
"The tool is open-source."
"It is highly recommended as it is an open source tool."
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Top Industries

By visitors reading reviews
Financial Services Firm
14%
Manufacturing Company
10%
Comms Service Provider
10%
Construction Company
8%
Computer Software Company
10%
University
9%
Comms Service Provider
8%
Financial Services Firm
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise3
Large Enterprise10
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

What is your experience regarding pricing and costs for Contrast Security Assess?
I was not involved in the negotiation of pricing for Contrast Security Assess, but I am somewhat familiar with setup cost and licensing. Licensing costs are fairly high compared to other DAST and S...
What needs improvement with Contrast Security Assess?
I do find that here and there with Contrast Security Assess there are user interface issues, particularly with how they work with libraries. The way that it works is people have access to library d...
What advice do you have for others considering Contrast Security Assess?
I would give Contrast Security Assess a score of 8 out of 10. That is a small little issue, but it is a great product and I would recommend it to others. There are a couple things that could be imp...
Is OWASP Zap better than PortSwigger Burp Suite Pro?
OWASP Zap and PortSwigger Burp Suite Pro have many similar features. OWASP Zap has web application scanning available with basic security vulnerabilities while Burp Suite Pro has it available with ...
What is your experience regarding pricing and costs for OWASP Zap?
OWASP might be cost-effective, however, people prefer to use the free edition available as open source.
What needs improvement with OWASP Zap?
The improvement that has to be done for APIs focuses on manual activities where the feature exists, but it is not at the same level as what Burp Suite does with intercepting and tools such as Postm...
 

Also Known As

Contrast Assess
No data available
 

Overview

 

Sample Customers

Williams-Sonoma, Autodesk, HUAWEI, Chromeriver, RingCentral, Demandware.
1. Google 2. Microsoft 3. IBM 4. Amazon 5. Facebook 6. Twitter 7. LinkedIn 8. Netflix 9. Adobe 10. PayPal 11. Salesforce 12. Cisco 13. Oracle 14. Intel 15. HP 16. Dell 17. VMware 18. Symantec 19. McAfee 20. Citrix 21. Red Hat 22. Juniper Networks 23. SAP 24. Accenture 25. Deloitte 26. Ernst & Young 27. PwC 28. KPMG 29. Capgemini 30. Infosys 31. Wipro 32. TCS
Find out what your peers are saying about Contrast Security Assess vs. OWASP Zap and other solutions. Updated: September 2026.
913,924 professionals have used our research since 2012.