Security, Availability, and Multiple Information Sources: Exploring Update Behavior of System Administrators Christian Tiefenau , Maximilian Häring, Katharina Krombholz, Emanuel von Zezschwitz @chrizzlz @cathykxx Usable Security and Privacy Lab, Universität Bonn, Fraunhofer FKIE, CISPA Helmholtz Center
End user 2
Updates and administrators? 3
Research Questions Process Obstacles Sources Tools 4
Interviews 170 x 80 x 300 x 600 x 150 x 35 x VM VM 26 x 16 x Zelko Markus Alexander Milan 10000 x 5 x Unknown VM VM 100 x Clients Virtual Machines Lorenz Cyril Julian VM Servers 5
Process and Obstacles 6
Process and Obstacles Information Deciding Preparation Testing Installation Post-Installation Process Complexity Planning … Heterogeneous Broken Obstacles Systems Dependencies 7
Online Survey Reddit 67 Participants 41 Europe 34 SME 33 Large Twitter 22-55 years 19 North America Company size Forums 7 Rest of the world 8
Findings Your Users Introducing Errors (n=66) 42% 12% 45% Priority/Time (n=66) 38% 26% 36% External Services Downtime (n=67) 45% 19% 36% Other Risk (n=67) 46% 22% 31% Mailing Lists Stability (n=67) 46% 27% 27% Lack of Information (n=65) 52% 28% 20% Publisher Newsletter Breaking Dependencies (n=66) 50% 30% 20% Update Management Software Performance (n=67) 76% 10% 13% Online Publication/News Lack of Education (n=67) 81% 12% 7% 100 50 0 50 100 0% 20% 40% 60% 80% 100% Percentage Main Source Additional Source Response 1 2 3 4 5 Process Sources 9
Discussion 10
Conclusion Process Obstacles Sources Tools 11
Security, Availability, and Multiple Information Sources: Exploring Update Behavior of System Administrators Christian Tiefenau , Maximilian Häring, Katharina Krombholz, Emanuel von Zezschwitz @chrizzlz @cathykxx Usable Security and Privacy Lab, Universität Bonn, Fraunhofer FKIE, CISPA Helmholtz Center THANK YOU!
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