WAF
/wæf/
Definition
Web Application Firewall — a security layer filtering HTTP traffic to block common attacks like SQLi, XSS, and DDoS.
Example in context
"The WAF blocked 10,000 SQL injection attempts during the attack — the database never saw a single request."
Related terms
Practice this term
Master WAF in context by working through exercises in the Cybersecurity module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.