Facebooks global security data centers team guards intellectual property. The company has an open office floorplan and uses a buddy system to keep an eye on guests. At Menlo Park, a bicycle unit, mobile team, and canine patrol police the grounds as well. In larger cities, Facebook’s offices arent the only thing for suspicious situations. The office at Singapore is less than a block from Grand Central Central Central Avenue less than one block from Central Central from Central Park.”]
Source: https://www.csoonline.com/article/3276609/how-facebook-protects-data-with-physical-security.html