So this is probably a bit off topic, but why don't more site owners just create their own unique anti-spam system? In my opinion, if they were simpler, yet all unique, there would be less bots that could mass spam and privacy would be improved. Even something as simple as a question: "How many legs does a spider have?" ____ And then cycle through different types of free form questions of things that most people shoul…
I think this would fail under any directed attack. It’s too hard to generate a database that’s large enough.
I've heard stories from people that own small sites and still have someone targeting the site with custom scripts, but never anyone I know (not even a friend of a friend, only ever random people on the internet). But there is also the (much larger, from what I can tell) group of people that never had these issues. But people don't like risks, and installing a tracking captcha from google is made very easy. "Everyone does it, that ought to work!" (Meanwhile I hear of a 90% success rate from a recaptcha browser plugin, but who cares about that right?)