A couple of jobs back, there was a day when our app stopped working. After poking around in the database a little bit I found out that most of our data had bee

A couple of jobs back, there was a day when our app stopped working. After poking around in the database a little bit I found out that most of our data had been deleted and replaced with a ransom demand including the address of a bitcoin wallet. After a few minutes of ineffectually pondering the occurrence, we restored our latest database backup which was maybe half a day old and then beefed up our passwords and network security. The ransom note went straight into the trash. So I wonder, does "ransomware" refer simply to an attack like the one I experienced or something more sophisticated. Do all these companies just not have secure backups?