References
BBC (2019) ‘I lost £4,000 in a call centre scam’, BBC News, 21 October. Available at: https://www.bbc.co.uk/news/technology-50117796 (Accessed 16 December 2019).
Microsoft (2019) Microsoft security intelligence report. Available at: https://www.microsoft.com/securityinsights (Acccessed 5 December 2019).