Employees or associates accessing and sharing data they should not—or disclosing it to people they should not—was the single biggest breach factor this year.

As 2016 draws to a close, 15.2 million records have been compromised. That’s is a lot, but the 2015 number was 113.3 million following a series of very large attacks that included the Anthem hack which accounted for 70 percent of all breaches in 2015.