For organisations that already had remote capabilities, these very different times that we are now in likely represent only an increase in capability rather than new capability.
But for those organisations suddenly thrust into the need to give their employees remote access to their systems and files for the purposes of just staying in business, standing up the necessary technology and processes to enable remote access security can be difficult.
SANS has published a good basic toolkit just for that purpose
https://www.sans.org/security-awareness-training/sans-security-awareness-work-home-deployment-kit
1's and 0's on the digital world today