As technologies evolve, cyber criminals have become increasingly sophisticated. Scarier yet, the majority of cyber threats are often difficult to detect — executed by bad actors who enter your network through insidious means.

Enter malware: a threat as old as the internet. Countless types of malware exist, and unique tactics are constantly being developed. Known malware samples have already surpassed the one billion mark. And now more than ever, hackers have tools to distribute malware, reaching bigger and more diverse audiences.

In this report, we’ll take a look at some of the most prevalent types of malware to watch out for. We’ll also cover tips for protecting your data and highlight a few other threats (and threat actors) you should know about.