WordPress security plugin from Perishable Press: a simple script that protects your website against malicious URL requests. Block Bad Queries (BBQ) checks all incoming traffic and quietly blocks bad requests containing nasty stuff.
About The Author
Graphic designer since before the Internet. Started with newspaper paste-up; then art director for advertising agency in Reno, NV; and now freelancer designing marketing materials, print-on-demand t-shirt art, websites, and social media graphics.