Verified Answer :

GPh14

Google Analytics works on statistics. It allows businesses/websites to get an insight into what their customer's needs and wants are. 
Out of the answers you've given, I would say it is a site Management Tool. 

Cancelling out: (and reasons for cancelling them) 
Search Engine - Google on its own is a search engine, however, Analytics is a 'Subsidiary' if you will. 
Google Chrome is a Web Browser - Not the sector of Google Analytics. 
Security Services - It does not encrypt anything (or make anything safer for users)