A cisco develops, manufactures and sells networking hardware, software, telecommunications equipment and other high-technology services and products. ... They pioneered the concept of a local area network (LAN) being used to connect geographically disparate computers over a multiprotocol router system.
Hope that helps.
Answer:
Windows
Explanation:
Windows are one of the most popular household os.
From hacking into public websites where you pay and stuff, or put in a fake official window to lure out your private info.
