IoT Security is one of the most critical challenge that need to address. Security in IoT environment comprises of numerous aspects e.g. device authorization and athentication, high availability, data integrity and privacy, secure communication, identification, mitigation and prevention of associated vulnerabilities, etc. Does segmentation addresses all of the aforesaid security challenges in IoT? May OR may not. I believe this post could be more helpful by focussing particularly on a single aspect of Security in IoT that the segmentation addresses.