A web application firewall — also known as a WAF — is basically a website’s gatekeeper. Once installed, it monitors all incoming traffic to determine whether website visitors are legitimate or malicious. It then denies access to suspicious traffic, blocking out nefarious players.
You may think that your small business’s website doesn’t receive enough traffic to necessitate a gatekeeper, but consider this: More than 60% of all internet traffic is made up of bots. Of course, not all bots are dangerous; some serve a positive purpose, such as search engine crawling. But many pose a significant threat to your website and its visitors. These bad bots visit websites for negative purposes — crawling a site’s code in search of security vulnerabilities, for instance.