Carelessness or Negligence is lack of concern about the consequences of an action. The negligence may be foreseeable or a unintentional, but in both cases a person can be held responsible for any consequences of such negligence. Only humans can be negligent and this can cause damage to an organization's business systems, facilities, or personnel.
- A dissatisfied employee can stop making updates in a server, leaving it vulnerable to attacks.
- Don't apply a patch to a known critical issue.
- Send a confidential e-mail to a wrong person.