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Rhymes with 'laugh'.
A security control that filters and monitors HTTP/HTTPS traffic between a web application and the internet. WAFs protect against web-specific attacks like SQL injection, cross-site scripting, and request forgery. They operate at Layer 7 and can be deployed as hardware, software, or cloud services.
WAFs protect web applications that cybersecurity teams cannot patch immediately. Security engineers configure WAF rules and handle false positives that block legitimate traffic. Penetration testers routinely test WAF bypass techniques during assessments. Cloud WAF services (AWS WAF, Cloudflare, Akamai) make WAF knowledge valuable for cloud security roles.
Looking for the acronym? Read about WAF in the cybersecurity acronym decoder
Citation index · auto-derived from course content
4 public surfaces on the platform reference this term in a meaningful way. Sorted by relevance.
Related glossary entries · 4
Other glossary terms whose definition cites this one.
"Reverse proxies are critical security infrastructure. Web application firewalls (WAFs) often operate as reverse proxies, filtering SQL inje…"
"…line DDoS mitigation tool. Security engineers configure CDN WAF rules to block malicious traffic at the edge before it reac…"
"…information from model outputs. They function similarly to web application firewalls but are purpose-built for LLM traffic."
"…Security engineers deploy and tune bot management alongside WAF and CDN solutions. SOC analysts investigate bot-related acc…"
A security control that filters and monitors HTTP/HTTPS traffic between a web application and the internet. WAFs protect against web-specific attacks like SQL injection, cross-site scripting, and request forgery. They operate at Layer 7 and can be deployed as hardware, software, or cloud services.
WAFs protect web applications that cybersecurity teams cannot patch immediately. Security engineers configure WAF rules and handle false positives that block legitimate traffic. Penetration testers routinely test WAF bypass techniques during assessments. Cloud WAF services (AWS WAF, Cloudflare, Akamai) make WAF knowledge valuable for cloud security roles.
Cybersecurity professionals who work with Web Application Firewall include Security Engineer, Penetration Tester, Security Architect. These roles apply Web Application Firewall knowledge within the Defensive Security domain.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
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