This is a great article from CSO. It's written by Jeffrey Ton. It's all about adding layers of security around your business and IT - therefore it makes sense to align the two functions together.

How cyber threats are changing the makeup of IT departments 

'Historically, IT roles for disaster recovery (DR) and cybersecurity have covered their respective specialties and seldom have intermingled. But the evolving cyber threat landscape is bringing them increasingly together. Follow the link below to read the full article.'