Inactive accounts are a hotbed of opportunity for attackers, even more so if accounts remain dormant for long periods of time. 

Inactive accounts are a hotbed of opportunity for attackers, even more so if accounts remain dormant for long periods of time. 

Source: security magazine
Source Link: https://www.securitymagazine.com/articles/100884-the-bad-actors-best-friend-dormant-service-accounts