Do online social network friends still threaten my privacy?

Sebastian Labitzke, Florian Werling, Jens Mittag, Hannes Hartenstein. Do online social network friends still threaten my privacy?. In Elisa Bertino, Ravi S. Sandhu, Lujo Bauer, Jaehong Park, editors, Third ACM Conference on Data and Application Security and Privacy, CODASPY'13, San Antonio, TX, USA, February 18-20, 2013. pages 13-24, ACM, 2013. [doi]

@inproceedings{LabitzkeWMH13,
  title = {Do online social network friends still threaten my privacy?},
  author = {Sebastian Labitzke and Florian Werling and Jens Mittag and Hannes Hartenstein},
  year = {2013},
  doi = {10.1145/2435349.2435352},
  url = {http://doi.acm.org/10.1145/2435349.2435352},
  researchr = {https://researchr.org/publication/LabitzkeWMH13},
  cites = {0},
  citedby = {0},
  pages = {13-24},
  booktitle = {Third ACM Conference on Data and Application Security and Privacy, CODASPY'13, San Antonio, TX, USA, February 18-20, 2013},
  editor = {Elisa Bertino and Ravi S. Sandhu and Lujo Bauer and Jaehong Park},
  publisher = {ACM},
  isbn = {978-1-4503-1890-7},
}