Lights, Camera, Action! Exploring Effects of Visual Distractions on Completion of Security Tasks

Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10355)


Human errors in performing security-critical tasks are typically blamed on the complexity of those tasks. However, such errors can also occur because of (possibly unexpected) sensory distractions. A sensory distraction that produces negative effects can be abused by the adversary that controls the environment. Meanwhile, a distraction with positive effects can be artificially introduced to improve user performance.

The goal of this work is to explore the effects of visual stimuli on the performance of security-critical tasks. To this end, we experimented with a large number of subjects who were exposed to a range of unexpected visual stimuli while attempting to perform Bluetooth Pairing. Our results clearly demonstrate substantially increased task completion times and markedly lower task success rates. These negative effects are noteworthy, especially, when contrasted with prior results on audio distractions which had positive effects on performance of similar tasks. Experiments were conducted in a novel (fully automated and completely unattended) experimental environment. This yielded more uniform experiments, better scalability and significantly lower financial and logistical burdens. We discuss this experience, including benefits and limitations of the unattended automated experiment paradigm.


Bluetooth Pairing Security-critical Tasks Unexpected Visual Stimuli Audio Distraction Task Completion Time 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This research has been supported by NSF Grant CNS-1544373.


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.University of California IrvineIrvineUSA

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