Not every business can afford to employ a dedicated CISO and some businesses will assign the role of a CISO out to another member of management without any understanding of the role.
Here comes the Virtual CISO, someone who spends time in your business from an externally business who manages your security and countless others all at the same time. Someone who takes feeds of information from real sources and has to process them to make sense of them then has to adapt this knowledge to each business they manage.