Occasionally, I mention things you can and should do to avoid viruses and malware on your Mac. There is another type of malware called Ransomware that has become fairly common. Ransomware occurs when a bad guy takes over your Mac and demands a ransom to release your machine. This occurs more in the corporate world, but it can happen to individuals as well. This article describes things you can do to avoid Ransomware, it is mostly common-sense stuff.