We often advise people to steer clear of clicking on suspicious links, but distinguishing between a legitimate URL and a dubious one has become increasingly challenging. Not only have malicious tactics evolved to the point where everyone has to stay on top of their game to not be fooled, these threats are almost pervasive so they are coming at people from all types of directions. We thought we would focus on a single punctuation mark that can make all the difference in whether a link is legitimately safe or potentially dangerous.