Imperva Client-Side Protection
Website security software
Web security software
Client-side protection solutions
- Features
- Ease of use
- Ease of management
- Quality of support
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- Market presence
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What is Imperva Client-Side Protection
Imperva Client-Side Protection is a web security product that monitors and helps control third-party JavaScript and other client-side resources running in a website’s browser context to reduce risks such as formjacking and data skimming. It is used by security and web operations teams that need visibility into script behavior, changes, and exposure on customer-facing web applications. The product focuses on detecting and responding to risky client-side activity rather than only protecting server-side infrastructure, and it typically complements WAF and bot mitigation controls.
Visibility into third-party scripts
The product inventories and monitors client-side scripts and other browser-loaded resources to help teams understand what executes on key pages. This supports governance over third-party tags, CDNs, and marketing/analytics scripts that can introduce supply-chain risk. It is well-suited to organizations with many tags and frequent front-end releases where manual review is impractical.
Detection of skimming behaviors
It is designed to identify suspicious client-side activity associated with data exfiltration and payment/form skimming. This addresses threats that can bypass server-side controls because the malicious logic runs in the user’s browser. The focus on browser-side telemetry differentiates it from tools centered on perimeter filtering or vulnerability scanning.
Complements broader app security
Client-side monitoring can be used alongside WAF, DDoS, and bot controls to cover gaps that occur after a page is delivered to the browser. This layered approach helps security teams correlate front-end changes with incidents and reduce time to triage. It fits programs that already operate web application security controls and need coverage for the client-side attack surface.
Coverage depends on instrumentation
Effectiveness depends on correct deployment across relevant pages and applications, including checkout and authentication flows. Single-page applications and dynamic script loading can complicate consistent coverage and validation. Organizations may need coordination between security and front-end engineering to ensure monitoring remains intact through releases.
Not a full web stack
Client-side protection does not replace server-side application security controls such as WAF policies, API security, or secure SDLC testing. Organizations still need separate capabilities for vulnerability discovery, penetration testing, and backend threat mitigation. Buyers expecting a single product to cover all web risks may need additional tools and processes.
Tuning and allowlisting effort
Websites with many tags and frequent A/B tests can generate a high volume of script changes that require tuning. Teams may need to define acceptable behaviors, domains, and page scopes to reduce noise and avoid unnecessary alerts. Ongoing governance is typically required as marketing and product teams add or modify third-party scripts.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Custom / Contact sales | Not publicly listed — contact Imperva Sales for a quote | Enterprise-grade Client‑Side Protection delivered as part of Imperva Application Security (visibility & control over third‑party JavaScript, PCI DSS 4.0 support, enforcement options). No public per-seat or per-event prices listed on Imperva's product pages. |
Seller details
Thales Group
Meudon, France
1893
Public
https://www.thalesgroup.com/
https://x.com/thalesgroup
https://www.linkedin.com/company/thales/
