A new analysis of the most damaging breaches of the past five years found the most expensive cyber incidents and breaches caused a median loss of $47 million. The data underscores the importance that companies be prepared for these events. The average firm suffered $109 million in damages if they responded slowly, compared with $39 million for all other incidents in the extreme-loss data set. Attackers used some sort of credential attack in 46 incidents, costing $10 billion; a backdoor in 31 incidents, accounting for $9 billion.”]
Source: https://www.darkreading.com/attacks-breaches/want-to-avoid-an-extreme-cyberloss-focus-on-the-basics