Final paper on securing social network data from privacy threats

Answer the 6 questions who, when, where, why (all together in 1-2 sentences) then HOW and WHAT in 2-3 sentences EACH -we need detail), then write an objective summary using the sample in the resource manual as a template
My final research question : What have researchers learned about how best to secure social network data from privacy threats?
1 Objective summary for the article below 
Reference
Garside, D., Ponnusamy, A., Chan, S.,