Given the number of high-profile ransomware attacks over the years, and the grave consequences of an infection, you might think that prevention methods should be maturing to the point that ransomware will soon be stamped out entirely.

Consider the once ubiquitous threat of exploit kits, such as the infamous Angler, a massive headache for any security team at the time. These exploit kits have all but faded from memory, thanks to the relentless effort by researchers to clamp down on them.

But ransomware is still everywhere, and total prevention of ransomware is effectively impossible. Let’s count down the reasons why that’s so.