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PurposeThe purpose of this paper is to investigate the behaviour response of computer users when either phishing e‐mails or genuine e‐mails arrive in their inbox. The paper describes how this research was conducted and presents and discusses the findings.Design/methodology/approachThis study was a scenario‐based role‐play experiment that involved the development of a web‐based questionnaire that was only accessible by invited participants when they attended a one‐hour, facilitated session in a computer laboratory.FindingsThe findings indicate that overall, genuine e‐mails were managed better than phishing e‐mails. However, informed participants managed phishing e‐mails better than not‐informed participants. Other findings show how familiarity with computers, cognitive impulsivity and personality traits affect behavioural responses to both types of e‐mail.Research limitations/implicationsThis study does not claim to evaluate actual susceptibility to phishing emails. The subjects were University students and therefore the conclusions are not necessarily representative of the general population of e‐mail users.Practical implicationsThe outcomes of this research would assist management in their endeavours to improve computer user behaviour and, as a result, help to mitigate risks to their organisational information systems.Originality/valueThe literature review indicates that this paper addresses a genuine gap in the research.

We described experiments using the MDA-MB-361.1 cell line, which was thought to be an in vivo passaged subclone of the MDA-MB-361 cell line. The MDA-MB-361 cell line harbors HER2 amplification and an activating PIK3CA mutation (E545K). Subsequent molecular profiling of the MDA-MB-361.1 cell line revealed that it is actually a derivative of the MCF7 cell line that was stably transfected to overexpress HER2 (termed MCF7-neo/HER2). MCF7 cells also harbor the activating PIK3CA mutation (E545K). Although the conclusions from the study are unaffected, we apologize for the discrepancy.