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Next-Generation RASP

The Market Leader in Runtime Application Self-Protection (RASP)

Our easy to install software supports any application without impacting performance to protect against any attack, with integrations to any DevOps toolchain products for cross-team visibility.

999 %
of customers in full blocking mode IN PRODUCTION
999 /5
Protected App
999 K+
Hybrid Cloud
999 +

Why Signal Sciences is the Market Leader in RASP

With many deployment options to protect modern applications wherever they operate, Signal Sciences RASP provides reliable protection that scales without impacting app performance.

Signal Sciences RASP Classic RASP
Extremely high performance: Other RASPs architectures impact application performance by 100-200%
Won’t break DevOps toolchain: Other RASPs commonly break critical DevOps tools such as Datadog, AppDynamics, New Relic, and others
Protection beyond OWASP Top 10, including: Account takeover, Bad Bots, API Abuse, App DDoS and others. Other RASPs only provides protection over legacy OWASP Injection issues such as XSS and SQLi
Supports any architecture: From app native to legacy apps, containers, and serverless, Signal Sciences is the only RASP deployable across your entire application and API portfolio

Signal Sciences RASP vs Other RASP Offerings

Signal Sciences provides the only hybrid-SaaS RASP solution that can be deployed directly into the application, in front of legacy applications, or with a single DNS change and no agents.

RASP Architecture Diagram

Trusted by Leading Companies

Signal Sciences protects 2+ trillion production requests per month from over 40,000 applications for industry-leading customers.

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Shield Quotes

“We were really impressed with how easy deployment went. Dropping Signal Sciences into our existing highly-available architecture with minimal effort was critical to the project’s success.”

Nick Soulliere
Nick Soulliere, VP of Product Engineering, Duo Security

Automated Web Protection that Scales

Runtime application self-protection (RASP) has emerged as an alternate way to secure applications with context-aware protection. Unlike other RASP offerings, Signal Sciences RASP offers:

  • Multiple, easy installation options for both modern and legacy applications
  • Compatibility with major application languages
  • Protects beyond OWASP Top 10 including bad bots, API abuse, advanced rate limiting, DDoS, and others
  • Performance-focused protection that scales to extremely large applications and APIs


Self-serve security data and alerts empower teams to be proactive and solidify their security posture.



Effective protection against web layer attacks with nearly no false positives: 90% of Signal Sciences customers are full blocking mode in production.


Protect critical apps, APIs and microservices running in cloud, on-premise or hybrid environments with no signatures to manage and no impact on app performance

Fastly (Signal Sciences) is a two-time Customers’ Choice for WAF with a 5 out of 5 overall rating

Our customers have spoken: Signal Sciences is the highest rated Web Application Firewalls (WAF) vendor. We were named a 2021 Gartner Peer Insights Customers’ Choice for WAF based on detailed end-user testimonials. In addition, we are the only vendor to be named a Customers’ Choice for three consecutive times and have an overall rating of 5 out of 5 stars (as of January 31, 2021, based on 82 verified reviews).

Gartner VOC 2021
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