Jscrambler
Security compliance software
Application shielding software
Runtime application self-protection (RASP) software
Application security software
Web security software
Client-side protection solutions
- Features
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- Ease of management
- Quality of support
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- Market presence
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What is Jscrambler
Jscrambler is a client-side application protection platform focused on securing JavaScript running in browsers and mobile apps. It is used by security and engineering teams to reduce risks such as code tampering, reverse engineering, and malicious third-party script behavior (including Magecart-style attacks). The product combines JavaScript obfuscation and anti-tampering controls with client-side monitoring and policy enforcement to detect and respond to suspicious runtime activity.
Strong JavaScript code protection
Jscrambler provides JavaScript obfuscation and hardening features designed to make reverse engineering and tampering more difficult. It supports common use cases such as protecting proprietary front-end logic, deterring fraud scripts, and reducing exposure of sensitive client-side workflows. This focus is more specialized than general compliance automation tools in the reference set.
Client-side threat visibility
The platform monitors client-side execution to help identify suspicious behaviors originating in the browser, including unexpected script changes and potentially malicious third-party activity. This helps teams address risks that server-side controls and traditional perimeter tooling may not observe. It aligns with modern needs for visibility into the end-user runtime environment.
Controls for third-party scripts
Jscrambler includes capabilities aimed at managing and constraining third-party JavaScript risk, a common issue for payment pages and marketing-tag-heavy sites. It can help detect unauthorized modifications and reduce the attack surface created by external dependencies. This is a practical fit for organizations with complex tag ecosystems and high exposure to client-side supply chain threats.
Narrower than compliance suites
While it supports security objectives, Jscrambler is not a full security compliance management system with end-to-end evidence collection, control mapping, and audit workflows. Organizations pursuing frameworks like SOC 2 or ISO 27001 typically still need dedicated compliance tooling and processes. The reference set includes products oriented specifically to compliance operations that cover broader governance requirements.
Potential build and performance tradeoffs
Obfuscation and runtime protections can add complexity to build pipelines and may affect debugging, source maps, and incident triage workflows. Depending on configuration, client-side instrumentation can introduce performance overhead that requires tuning and monitoring. Teams often need careful rollout, testing, and exception handling to balance protection with user experience.
Browser scope limits coverage
Client-side protections primarily address threats in the browser runtime and do not replace server-side application security controls, secure SDLC practices, or backend monitoring. Attacks that do not rely on client-side script manipulation may remain out of scope. Organizations typically need complementary controls across API security, infrastructure, and identity to achieve comprehensive coverage.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Starter | Contact sales / Not publicly listed | Basic code protection: Obfuscation, Kick-off & Configuration, Email support only. (Listed on Jscrambler Plans page.) |
| Enterprise | Contact sales / Not publicly listed | Includes Starter plus: Code Locks, Self-Defending protections, Source Maps, JavaScript Threat Monitoring, Premium support. |
| Essential (PCI DSS) | Contact sales / Not publicly listed | Quick PCI DSS compliance for payment pages: agentless architecture, script inventory & integrity, tamper detection, assessment-ready reports, SSO, Business-hours support. |
| Plus | Contact sales / Not publicly listed | Advanced control and priority support: HybridFlex deployment, OmniChannel coverage, Forensic Skimmer Intelligence, AI Assistant, Preemptive Skimmer Blocking (add-on), Priority 24/7 support. |
| Ultra | Contact sales / Not publicly listed | Compliance, control, plus expert management: All Plus features plus Sitewide Skimmer Detection (add-on), Preemptive Skimmer Blocking, Enterprise SLA support, dedicated management. |
| Managed Services | Contact sales / Not publicly listed | Fully customized protections: custom use cases, custom feature changes, 24x7 monitoring, remediation, dedicated support and weekly reporting. |
| Visibility | Contact sales / Not publicly listed | Visibility into sensitive data exposure: inventory of vendors/scripts, sensitive data control, threat identification, risk scoring. |
Notes: Public pricing (monetary amounts) is not published on Jscrambler's official Plans/Pricing page; the site instructs visitors to contact the vendor for pricing and plan selection.
Seller details
Jscrambler, S.A.
Lisbon, Portugal
2014
Private
https://jscrambler.com/
https://x.com/jscrambler
https://www.linkedin.com/company/jscrambler/
