As of October 2011, there have now been more than 1 billion records exposed, according to research by the Open Security Foundation.
Risk Based Security's 3rd Quarter Data Breach Intelligence report shows that nearly 50 percent of the reported data breaches in 2011 involved retail businesses, and those breaches accounted for nearly 25 percent of the total records exposed so far in 2011. Organizations providing medical related services accounted for nearly 31 percent of the data breaches reported in the first nine months of 2011. This same sector represented 29 percent of the reported 2010 breaches.