Hackers behind bulk of the 2,644 data breaches in 2012

For the second year running, hacking was the most frequent source of data breaches, according to a new report based on known incidents in 2012.

There were 2,644 data breaches last year or just over twice the number known to have occurred in 2011, according a new report by Open Security Foundation, which runs the international DataLoss database, and security consultancy Risk Based Security.