As a content curator and publisher I've had content we wrote copied and brazenly stolen. Google's latest algorithm changes seem to be reducing whole cloth copying, but another and potentially more dangerous dragon is rising - the content hack.
It is possible to do all kinds of bad things to your content as this Search Engine Land post shares. This highly recommended post doesn't only share scary stories and examples of content hacks. The post also shares a great set of tools to help publishers ward off what may be inevitable - someone hacking their content.