This years headlines have been made up of data breaches, hacks, APT attacks and mergers and acquisitions. Duqu is based on the sophisticated Stuxnet worm that shut down an Iranian nuclear fuel processing plant and set back its nuclear program by years. In March, RSA the company that ensures its elite customers are water-tight sprang a leak when it was penetrated by a spear-phishing attack that hooked one of its employees. This information could potentially be used to reduce the effectiveness of a current two-factor authentication implementation as part of a broader attack.”]
Source: http://www.shoaibyousuf.com/2011/12/2011-year-of-hack-and-data-breaches.html