The privacy implications of cyber security systems: A technological survey

Eran Toch, Claudio Bettini, Erez Shmueli, Laura Radaelli, Andrea Lanzi, Daniele Riboni, Bruno Lepri

Research output: Contribution to journalReview articlepeer-review


Cyber-security systems, which protect networks and computers against cyber attacks, are becoming common due to increasing threats and government regulation. At the same time, the enormous amount of data gathered by cyber-security systems poses a serious threat to the privacy of the people protected by those systems. To ground this threat, we survey common and novel cyber-security technologies and analyze them according to the potential for privacy invasion. We suggest a taxonomy for privacy risks assessment of information security technologies, based on the level of data exposure, the level of identification of individual users, the data sensitivity and the user control over the monitoring, and collection and analysis of the data. We discuss our results in light of the recent technological trends and suggest several new directions for making these mechanisms more privacy-aware.

Original languageEnglish
Article number36
JournalACM Computing Surveys
Issue number2
StatePublished - Feb 2018


  • Information security
  • Network surveillance
  • Privacy
  • Privacy-preserving methods
  • System monitoring


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