A curated collection of the best website security tools safeguard public-facing apps, APIs, and assets across the stack—edge, origin, and client side. They block exploits and abuse (SQLi, XSS, CSRF, RCE, credential stuffing), absorb DDoS floods, detect bad bots, and continuously find misconfigurations and vulnerable components. Modern platforms plug into CI/CD and observability so fixes ship quickly and incidents are contained.