Large Online Social Footprints--An Emerging Threat

  • Authors:
  • Danesh Irani;Steve Webb;Kang Li;Calton Pu

  • Affiliations:
  • -;-;-;-

  • Venue:
  • CSE '09 Proceedings of the 2009 International Conference on Computational Science and Engineering - Volume 03
  • Year:
  • 2009

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Abstract

We study large online social footprints by collecting data on 13,990 active users.After parsing data from 10 of the 15 most popular social networking sites, we find that a user with one social network reveals an average of 4.3 personal information fields.For users with over 8 social networks, this average increases to 8.25 fields.We also investigate the ease by which an attacker can reconstruct a person’s social network profile.Over 40% of an individual’s social footprint can be reconstructed by using a single pseudonym (assuming the attacker guesses the most popular pseudonym), and an attacker can reconstruct 10% to 35% of an individual’s social footprint by using the person’s name.We also perform an initial investigation of matching profiles using public information in a person’s profile.