These are 100% vector illustration designs that I made while I was employed at Dynamic Quest as Graphic Designer.
Live Blog Post: http://www.dynamicquest.com/articles/cryptolocker-cryptowall/
Live Blog Post: http://www.dynamicquest.com/articles/zooming-big-data/
Live Blog Post: http://www.dynamicquest.com/articles/whats-after-server-2003/