Email targeted attacks occur most often early in the morning on the East Coast. The most common password among end user and administrative passwords was “Password1″ Only 12 percent of antivirus products were able to detect targeted malware. Only 16 percent of victim organizations detected a breach themselves: The rest found out via law enforcement or other external sources. Trustwave worked on 42 percent more breach investigations in 2011 than in 2010, mainly due to a jump in targeted, sophisticated attacks plus more attacks in Asia-Pacific region.”]
Source: https://www.darkreading.com/attacks-breaches/when-and-how-attackers-are-owning-businesses