Is negative SEO real? Should you be worried? Is there anything you can do to stay safe? This post is an attempt to answer these questions.

The threat of negative SEO is remote but daunting. How easy is it to for a competitor to ruin your rankings, and how do you protect your site? But before we start, let’s make sure we’re clear on what negative SEO is, and what it definitely isn’t.

Negative SEO is a set of activities aimed at lowering a competitor’s rankings in search results. These activities are more often off-page (e.g., building unnatural links to the site or scraping and reposting its content); but in some cases, they may also involve hacking the site and modifying its content.

Negative SEO isn’t the most likely explanation for a sudden ranking drop. Before you decide someone may be deliberately hurting your rankings, factor out the more common reasons for ranking drops. You’ll find a comprehensive list here.