Attackers broke into the network of the University of Maryland last month. 310,000 Social Security numbers and other information were stolen from the network. Three weeks later, attackers again compromised Maryland s network and had access to more sensitive information. University president: Because we ve never been hacked before, we were just flying by the seat of our pants. And the cost is very, very high Target, the victim of one of the larger breaches in history last year, is still feeling the repercussions from the attack.
Source: https://threatpost.com/data-breaches-show-difficulty-of-defenders-task/105058/