The Yahoo attack is irrefutable proof of an alarming reality – databases are under siege and many organizations are incapable of protecting them. State-sponsored actors have successfully penetrated databases housed at the US Office of Personnel Management (OPM), Anthem, and Sony, newly released data suggests that many entities continue to disregard this evolving risk. Only 20% of those surveyed indicated that they continuously monitor critical databases for the purpose of detecting unauthorized activity. An alerting process allows an organization to instantaneously sift through the din of database noise and focus upon the events that may actually pose a risk to the data.”]
Source: https://www.darkreading.com/attacks-breaches/database-breaches-an-alarming-lack-of-preparedness