1. Worldwide A2P SMS Markets 2014–2017.
http://www.xconnect.net/wp-content/uploads/worldwide-sms-markets-portio-strikeiron.pdf
. Accessed 21 June 2017
2. The Social Engineering Framework.
https://www.social-engineer.org/framework/attack-vectors/smishing/
. Accessed 02 July 2017
3. Daily SMS Mobile Usage Statistics.
https://www.smseagle.eu/2017/03/06/sms-mobile-statistics-2/
. Accessed 07 June 2017
4. Phishingpro.
http://www.phishingpro.com/
. Accessed 01 July 2017
5. The Human Factor 2017.
https://proofpoint.com/us
. Accessed 16 June 2017