1. The Radicati Group Releases “Instant Messaging Statistics Report, 2015–2019,2015
2. Consumer Contact: Job Advertising Fraud;N Timoney,2014
3. Instant messaging Trojan spreads through the UK. [Place unknown]: Help Net Security. 2014 May 27. Available: http://www.net-security.org/malware_news.php?id=2773. Accessed 24 May 2015