As the cost of data breaches goes up—a Juniper Research report predicts it to touch $2.1 trillion globally by 2019, growing nearly four times compared to breaches in 2015—company boards are sitting up and taking notice. Chief information security officers (CISOs), on their part, are also working towards better communicating risks to the boards, besides keeping hackers at bay. Here is a snapshot of what boards and CISOs can do better to improve enterprise security.