Best Runtime Application Self-Protection (RASP) Tools in 2026

Imperva RASP provides continuous, real-time protection against known and zero-day attacks by embedding security directly within the application runtime. It monitors application behavior and blocks attacks without requiring code changes or network reconfigurations. Ideal for protecting critical web applications and APIs.

Contrast Protect uses a patented deep security instrumentation approach to embed security directly into applications. It provides continuous, accurate, and real-time protection against attacks without relying on signatures or network-based heuristics. Excellent for DevOps and DevSecOps environments seeking automated security.

Signal Sciences, now part of Fastly, offers a unified WAF and RASP solution that provides comprehensive protection for web applications and APIs. It analyzes requests in real-time, detecting and blocking attacks at the edge and within the application itself. Geared for enterprises needing scalable and flexible security.

HPE Security Fortify RASP provides self-protection capabilities for applications by embedding security directly into the runtime environment. It detects and prevents attacks by understanding application logic and data flows, offering robust protection for Java and .NET applications. Suited for organizations with existing Fortify investments.

Waratek RASP provides proactive, real-time protection for Java applications by virtualizing the runtime environment. It enforces security policies at the JVM level, preventing attacks like SQL injection and cross-site scripting without requiring source code changes. Ideal for organizations with large Java application portfolios.

Sqreen, now part of Datadog, offered an in-app security solution that combined RASP, IAST, and API security. It provided real-time protection against attacks and identified vulnerabilities within the application code. Geared towards developers and security teams seeking comprehensive application security monitoring.

K2 Cyber Security RASP provides highly accurate attack detection and prevention for web applications. It uses a patented deterministic approach to identify and block exploits in real-time, offering detailed insights into attack attempts. Best for organizations needing deep visibility and precise attack blocking.

Immunio, acquired by Rapid7, offered a RASP solution focused on providing real-time protection for web applications. It integrated into the application runtime to detect and block attacks, providing robust security for various programming languages. Aimed at organizations seeking simplified, effective application security.

ArvanCloud RASP offers real-time protection for web applications by embedding security agents directly into the application server. It identifies and blocks various threats, including OWASP Top 10 vulnerabilities, ensuring application integrity and data confidentiality. Suitable for businesses looking for an all-in-one security solution.

Wultra RASP is designed to protect both mobile and web applications from sophisticated attacks. It integrates directly into the application code, providing real-time threat intelligence and proactive defense against reverse engineering, tampering, and malware injection. Ideal for financial services and other high-security environments.

Open-RASP is an open-source Runtime Application Self-Protection project developed by Baidu. It provides agents for various programming languages to detect and prevent attacks in real-time, offering flexibility and customization for developers. Best suited for organizations with in-house security expertise and budget constraints.

DataDome RASP offers robust protection against OWASP Top 10 threats, bot attacks, and account takeover. It integrates directly into your applications, providing real-time threat detection and blocking without impacting performance. Its AI/ML engine continuously adapts to new threats, ensuring comprehensive security for web, mobile, and API interfaces.

Preemptive DashO provides multi-layered protection for Java and Android applications, combining RASP capabilities with code obfuscation, encryption, and tamper detection. It helps prevent reverse engineering, intellectual property theft, and unauthorized application modification, crucial for securing sensitive business logic and data. Ideal for mobile and enterprise Java applications.

Verimatrix XTD (Extended Threat Defense) offers advanced RASP capabilities specifically tailored for mobile applications. It provides robust protection against a wide array of threats, including tampering, reverse engineering, malware injection, and dynamic attacks. Its real-time monitoring and threat response mechanisms ensure the integrity and security of mobile apps on various platforms.

Guardsquare AppShielding provides a powerful suite of security features for mobile applications, including RASP, anti-tampering, anti-debugging, and code obfuscation. It helps protect apps from various threats at runtime, ensuring data integrity and preventing fraud. Available for Android and iOS, it's designed for businesses with critical mobile app security needs.

Promon SHIELD™ offers an advanced app hardening and RASP SDK, enabling developers to build highly secure mobile applications. It protects against malware, tampering, reverse engineering, and other runtime attacks by embedding self-protection mechanisms directly into the app. Its real-time threat intelligence helps maintain application integrity across diverse mobile environments.