Imperva Web Application Firewall vs The Fastly Next-Gen WAF (powered by Signal Sciences) comparison

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Executive Summary

We performed a comparison between Imperva Web Application Firewall and The Fastly Next-Gen WAF (powered by Signal Sciences) based on real PeerSpot user reviews.

Find out in this report how the two Web Application Firewall (WAF) solutions compare in terms of features, pricing, service and support, easy of deployment, and ROI.
765,386 professionals have used our research since 2012.
Featured Review
Quotes From Members
We asked business professionals to review the solutions they use.
Here are some excerpts of what they said:
Pros
"Learning mode and custom policies are helpful features.""The solution is stable.""The solution can scale.""The solution integrates seamlessly with other tools and has a good alert mechanism.""The most valuable feature of Imperva, in addition to its strong knowledge base, is its effective protection for web applications.""The solution is very scalable. It is one of the most important features. You can also expand resources and features as well.""The compliance is the most valuable aspect.""Its inline transferring mode is the most valuable because it is 100% transparent. When you change the IP, there is no change on the network side. If you can't and want to try to reach an IP, you can reach the server IP. There are many other advanced security features in it. The smallest appliances of Imperva can handle the highest traffic at a customer site. For example, a smaller appliance from Imperva can provide you the same security as an F5 product."

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"When configuring a web application firewall using Signal Sciences, we configure a rule whereby no one except a few people can access the application.""The product's most valuable feature is its ability to set up the rules easily."

More The Fastly Next-Gen WAF (powered by Signal Sciences) Pros →

Cons
"An improvement for Imperva WAF would be to reduce the number of false positives and create more strong use cases based on AI/ML or behavioral analytics.""Imperva Web Application Firewall could improve the API integration. It was complex for us. Additionally, The onboarding could be better.""I think that better bot protection is needed in this solution.""The support for the on-premises version needs improvement.""There could be some limitations that from the converged infrastructure perspective: when you want to converge with everything and you want Imperva to get there easily because it's not a cloud component. For example, when you want to build servers and you're using OneView to manage your software-defined networks, implementing Imperva right away is not that simple. But if you're doing just a simple cloud infrastructure with servers in there, you're good to go. Also, we are not able, with Imperva, to block by signatures. Imperva by itself needs to be complemented with another service to do URL filtering.""The tool's UI is complicated. It would be best to have a more accessible UI dashboard to make the job easier.""Their portal is very limited and needs improvement.""Some of the features should be included in the next release is a file integrating monitoring tool. This feature should be improved."

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"Even if we create some custom rules, Signal Sciences cannot capture some of the malicious traffic.""The areas that could be improved in Signal Sciences include the effectiveness of rules, as many didn't function optimally and required custom rule-writing to address bypasses for WAF."

More The Fastly Next-Gen WAF (powered by Signal Sciences) Cons →

Pricing and Cost Advice
  • "Make sure you understand the way that Imperva charges. It's very affordable. However, I would like to see a package with the Virtual Patching included. You get to do patching separately."
  • "Everybody complains about the price of this solution."
  • "The cost of this solution depends on the platform."
  • "The price of this solution is a little bit high compared to competitors."
  • "There are some licenses that you have to buy to use some features. Its price could be better. Price is always important because, at the end of the day, customers have a budget. If you can meet the budget, you can sell, and if you don't, you cannot sell."
  • "There is a license for this solution and we purchase the license annually with no additional fees."
  • "There are a couple of different licensing models."
  • "The price of Imperva Web Application Firewalls is expensive compared to others."
  • More Imperva Web Application Firewall Pricing and Cost Advice →

  • "Signal Sciences is pretty cheap compared to other solutions."
  • "The product has an affordable cost."
  • More The Fastly Next-Gen WAF (powered by Signal Sciences) Pricing and Cost Advice →

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    Questions from the Community
    Top Answer:For ADC, any ADC can do a good job. But in case if you want to add WAF functionality to the same ADC hardware you have to look for other ADC's like F5, Imperva, Radware, Fortinet, etc. 
    Top Answer:You can have a look to Imperva Cloud WAF, the anti-DDoS mitigation is under 1s and works very well. I observed a lot of DDoS attacks that were well managed (even not seen by the customer) by Imperva… more »
    Top Answer:The product's most valuable feature is its ability to set up the rules easily.
    Top Answer:The areas that could be improved in Signal Sciences include the effectiveness of rules, as many didn't function optimally and required custom rule-writing to address bypasses for WAF. Additionally… more »
    Ranking
    Views
    8,565
    Comparisons
    6,865
    Reviews
    15
    Average Words per Review
    313
    Rating
    8.5
    Views
    881
    Comparisons
    659
    Reviews
    2
    Average Words per Review
    504
    Rating
    7.0
    Comparisons
    Also Known As
    Signal Sciences Next-Gen WAF, Signal Sciences RASP
    Learn More
    Fastly
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    Overview

    Imperva Web Application Firewall is a versatile solution that protects web applications and databases from various attacks, including DDoS, cross-site scripting, and SQL injection attacks. It offers data security, availability, and access control and can be deployed on-premises or on the cloud. 

    The solution has good security against web attacks and offers advanced bot protection, API security, and mitigation features. Imperva WAF is easy to configure and deploy; it has good customer service and an excellent user interface.

    The Fastly Next-Gen WAF (powered by Signal Sciences) provides web application and API protection, RASP, rate limiting, bot protection and DDoS purpose built to eliminate the challenges of legacy WAF.

    Sample Customers
    BlueCross BlueShield, eHarmony, EMF Broadcasting, GE Healthcare, Metro Bank, The Motley Fool, Siemens
    Chef, Adobe, Datadog, Etsy, GrubHub, Vimeo, SendGrid, Under Armour, Duo, AppNexus
    Top Industries
    REVIEWERS
    Computer Software Company26%
    Financial Services Firm21%
    Insurance Company11%
    Comms Service Provider11%
    VISITORS READING REVIEWS
    Financial Services Firm18%
    Computer Software Company14%
    Insurance Company7%
    Manufacturing Company6%
    VISITORS READING REVIEWS
    Educational Organization23%
    Computer Software Company15%
    Financial Services Firm13%
    Healthcare Company8%
    Company Size
    REVIEWERS
    Small Business53%
    Midsize Enterprise16%
    Large Enterprise31%
    VISITORS READING REVIEWS
    Small Business20%
    Midsize Enterprise15%
    Large Enterprise65%
    VISITORS READING REVIEWS
    Small Business20%
    Midsize Enterprise30%
    Large Enterprise50%
    Buyer's Guide
    Imperva Web Application Firewall vs. The Fastly Next-Gen WAF (powered by Signal Sciences)
    March 2024
    Find out what your peers are saying about Imperva Web Application Firewall vs. The Fastly Next-Gen WAF (powered by Signal Sciences) and other solutions. Updated: March 2024.
    765,386 professionals have used our research since 2012.

    Imperva Web Application Firewall is ranked 6th in Web Application Firewall (WAF) with 44 reviews while The Fastly Next-Gen WAF (powered by Signal Sciences) is ranked 24th in Web Application Firewall (WAF) with 2 reviews. Imperva Web Application Firewall is rated 8.6, while The Fastly Next-Gen WAF (powered by Signal Sciences) is rated 7.0. The top reviewer of Imperva Web Application Firewall writes "Offers simulation for studying infrastructure and hybrid infrastructure protection". On the other hand, the top reviewer of The Fastly Next-Gen WAF (powered by Signal Sciences) writes "A good solution to implement web application firewall for applications". Imperva Web Application Firewall is most compared with AWS WAF, F5 Advanced WAF, Microsoft Azure Application Gateway, Fortinet FortiWeb and Azure Front Door, whereas The Fastly Next-Gen WAF (powered by Signal Sciences) is most compared with AWS WAF, Cloudflare, Akamai App and API Protector, Microsoft Azure Application Gateway and Azure Web Application Firewall. See our Imperva Web Application Firewall vs. The Fastly Next-Gen WAF (powered by Signal Sciences) report.

    See our list of best Web Application Firewall (WAF) vendors.

    We monitor all Web Application Firewall (WAF) reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.