From its conception, the fundamental (ground) idea of the internet was the exchange of information through code snippets of a markup language. This is still the ground principle that moves the internet these days. There are, of course, a lot of other things you can do over the internet, but it all comes down to an exchange of information.
With this kind of freedom, it is not surprising, that people abuse this for their own benefit. Spam comments are a form of abusing this privilege.
The combination of the Drupal modules Honeypot and Antibot will ensure that your site is “almost” 100% protected from spam (at least the ones produced by robots).
Keep reading to learn how to Control Spam in Drupal with Honeypot and/or Antibot!