The WannaCry ransomware attack that took the world by storm over the weekend didn't claim any notable victims in the insurance industry. That can perhaps be attributed to the sector's increased attention to cybersecurity in the wake of the several health insurance data breaches in 2015, as well as the NAIC's establishment of a cybersecurity task force last year. But it underscores the need for increased vigilance by IT leadership.

Aflac CISO Tim Callahan says that the best way for insurers to avoid having their systems compromised by such an attack is to stay on top of patches. Microsoft, he notes, sent out a patch earlier this year that prevented the damage -- if it was installed.

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