Cloud computing is all the rage right now, and it’s created a mess of jargon that can make your head spin. Don’t worry though. No one was born knowing this stuff. So, what is public cloud, and what makes it different from other clouds? Assuming there are other clouds?
Public cloud is a booming business. In Q4 of 2017, Amazon’s cloud business accounted for 60 percent of the company’s total operating income. Amazon made its name selling books, but today it makes its money renting computer time. A lot of people don’t know that. Or at least it seems that way.

David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.










