Significant Cyber Events Since 2006

Citation
Center for Strategic and International Studies (CSIS), Significant Cyber Events (Jan. 19, 2012) (full-text).

Overview
This report contains a list of significant cyber events since 2006. From the report, "Significance is in the eye of the beholder, but we focus on successful attacks on government agencies, defense and high tech companies, or economic crimes with losses of more than a million dollars."