Most of the security dangers we see are the result of one or more of three basic problems: sloth, hubris, and greed. Every piece of hardware ships with a default username and password. Take the time to change the defaults unless you want to host a bunch of tenth-grade hackers on your server. No one really likes training, whether they’re giving or taking the class, but that doesn’t mean training isn’t critical. If your system is still usable, it’s vulnerable.”]
Source: https://www.darkreading.com/analytics/security-s-three-deadly-sins