Web Application Firewall (WAF)

A web application firewall (WAF) is a filter in front of web applications and APIs that inspects HTTP traffic. It blocks requests matching known attack patterns or abusive behaviour.

Related Terms

  • API Security

    API security is the practice of protecting application programming interfaces from misuse. It controls who can call them, what data they can reach and how much they can request.

  • Content Delivery Network (CDN)

    A content delivery network (CDN) is a distributed set of servers that caches and serves content from locations close to users. Pages, images, video and API responses load faster and origin servers carry less load.

  • Dynamic Application Security Testing (DAST)

    Dynamic application security testing (DAST) probes a running application from the outside with crafted requests. It watches how the application responds for signs of security weaknesses an attacker could use.

  • OWASP Top 10

    The OWASP Top 10 is an awareness document from the OWASP Foundation listing the most critical categories of web application security risk. It is revised periodically using community data.

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