When we last looked at OCR's reporting on HIPAA breaches impacting 500 or more individuals, back in May 2011, there had been 265.  This was up from September 2010, when there had been 191 such breaches. As of today, there as 292 listed.  Given that the last reported date of breach on the OCR's list is May 8, there are surely over 300 breaches that have now been reported.