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Nudging Online Security Behaviour with Warning Messages: Results from an Online Experiment

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Abstract

This study is part of a larger effort to better understand online behaviour. We tested the effect on people’s security behaviour of different ways of warning them about cybersecurity threats with an online experiment (n=5,065) in Germany, Sweden, Poland, the UK and Spain. Participants had to make a purchase in a mock online store, and their behaviour was observed through 4 behavioural measures. Results show that making users aware of the steps they can take to minimise their exposure to risk is effective in generating more secure behaviour, as posited by protection motivation theory. Gain and loss-framed messages, and a message with a male anthropomorphic character, also had some effect on behaviour compared to the control group. The study included a questionnaire. Results suggest that more risk-averse participants will exhibit more cautious behaviour and that, on the whole, warning messages did not affect their knowledge of how to prevent cyber-attacks. Warning messages based on behavioural insights might not increase consumers' knowledge, but they can help improve their experience and build online trust.

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  • René van Bavel & Nuria Rodríguez-Priego, 2016. "Nudging Online Security Behaviour with Warning Messages: Results from an Online Experiment," JRC Research Reports JRC103223, Joint Research Centre.
    • Handle: RePEc:ipt:iptwpa:jrc103223
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    File URL: https://publications.jrc.ec.europa.eu/repository/handle/JRC103223
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    1. Kurt Neuwirth & Sharon Dunwoody & Robert J. Griffin, 2000. "Protection Motivation and Risk Communication," Risk Analysis, John Wiley & Sons, vol. 20(5), pages 721-734, October.
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    3. Daniel Kahneman & Amos Tversky, 2013. "Prospect Theory: An Analysis of Decision Under Risk," World Scientific Book Chapters, in: Leonard C MacLean & William T Ziemba (ed.), HANDBOOK OF THE FUNDAMENTALS OF FINANCIAL DECISION MAKING Part I, chapter 6, pages 99-127, World Scientific Publishing Co. Pte. Ltd..
    4. Nuria Rodríguez-Priego & René van Bavel, 2016. "The Effect of Warning Messages on Secure Behaviour Online: Results from a Lab Experiment," JRC Research Reports JRC103188, Joint Research Centre.
    5. René van Bavel & Benedikt Herrmann & Gabriele Esposito & Antonios Proestakis, 2013. "Applying Behavioural Science to EU Policy-Making," JRC Research Reports JRC83284, Joint Research Centre.
    6. Moon, Youngme, 2000. "Intimate Exchanges: Using Computers to Elicit Self-Disclosure from Consumers," Journal of Consumer Research, Journal of Consumer Research Inc., vol. 26(4), pages 323-339, March.
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    1. René van Bavel & Nuria Rodríguez-Priego, 2016. "Testing the Effect of the Cookie Banners on Behaviour," JRC Research Reports JRC103997, Joint Research Centre.

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    Keywords

    cybersecurity; nudging; online behaviour; behavioural economics;
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