Immunet looks like it's starting to have some of the features of Cisco's cloud offering, things like Advanced Threat Prevention. Version 6.0 is out for non-commercial use, but some users are seeing bugs in early versions. (See https://www.wilderssecurity.com/threads/immunet-6-x-thread.396666/ ) Might be worth looking at.
Cisco Umbrella $38 per user per year Cdome Shield - FREE https://www.comodo.com/cdomeshield/freelicense/