Symantec: Zero-days doubled in 2015, more companies hiding breach data

Fifty-four zero-day vulnerabilities were discovered last year, according to a report released this morning by Symantec, more than double that of 2014, and the number of mega-breaches of more than 10 million records also hit a record high.
In fact, the number of newly-discovered vulnerabilities stayed between eight and 15 a year since 2006, then jumped to 23 in 2013 and 24 in 2014, leading researchers to hope that it had reached a new plateau.
Instead, last year's 125 percent increase in zero-da