Signal Sciences now part of Fastly: Listing, products and coverage

Q: Who is Signal Sciences now part of Fastly?

Signal Sciences now part of Fastly provides application and API security technology for web applications and APIs.

Q: What does Signal Sciences now part of Fastly compete in?

Signal Sciences now part of Fastly competes in: Information Technology / Cybersecurity / Network Security / WAAP, API Security & DDoS Protection.

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Topics covered: 32

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Who is Signal Sciences now part of Fastly?

Signal Sciences, now part of Fastly, provides application and API security technology used to protect web applications, APIs, and internet-facing services in public cloud, on premises, and hybrid environments.

Web application and API protection, including inspection and blocking of malicious requests
Runtime-focused protection for modern application stacks, microservices, and containerized workloads
Deployment across edge, cloud, containers, virtual machines, and traditional data center infrastructure
Support for DevSecOps and security operations through policy management, telemetry, and integrations
Use in front of customer-facing websites, APIs, and applications that require high availability and low latency

More About Signal Sciences now part of Fastly

Signal Sciences is positioned in enterprise environments as an application security layer for organizations that run web applications and APIs across mixed infrastructure. Its technology is typically used to identify and mitigate common web attacks, including injection attempts, cross-site scripting, account takeover activity, bot-related abuse, and attacks directed at application logic or exposed interfaces. Within Fastly, these capabilities sit within a broader edge and security portfolio used to secure traffic close to the user while maintaining application delivery performance.

The offering is commonly associated with web application firewall and WAAP deployments, with emphasis on API protection and operational visibility. It is relevant to architectures built on containers, Kubernetes, virtual machines, and cloud-native services, and it can be deployed in reverse proxy, sidecar, agent, or edge-oriented models depending on the environment. In enterprise settings, teams often connect these controls with SIEM platforms, incident response workflows, and CI/CD processes so application security policy can be managed alongside software delivery and infrastructure operations. HTTP, HTTPS, TLS termination, API traffic inspection, and telemetry collection are central technical domains tied to its use.

Compared with traditional network firewalls, this category focuses on Layer 7 behavior, request context, and application-specific attack patterns rather than only IP and port controls. Compared with older standalone web application firewalls, Signal Sciences has been associated with deployment models that fit distributed applications and cloud-native operations more directly. That places it in the current market area of web application and API protection, alongside enterprise demand for DDoS mitigation, bot management, and protection for externally exposed digital services.

As part of a public company, the business is framed as a company operating in enterprise cybersecurity and edge-delivered application protection. Its active solution areas align with application security, API security, WAAP, and related edge security services used by organizations that need to protect internet-facing applications without separating security controls from modern delivery architectures.

Our description of Signal Sciences now part of Fastly. Updated September 2026.

Market segments

Information Technology / Cybersecurity / Network Security / WAAP, API Security & DDoS Protection

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Company details

Headquarters: Los Angeles, CA
Stock ticker: FSLY

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Website signalsciences.com
LinkedIn linkedin.com/company/signal-sciences
X x.com/signalsciences
Crunchbase crunchbase.com/organization/signal-sciences

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