1. Van der Meulen R, Forni AA (2017) Gartner says demand for 4G smartphones in emerging markets spurred growth in second quarter of 2017.
https://www.gartner.com/newsroom/id/3788963
2. Sophos (2017) SophosLabs 2018 malware forecast.
https://www.sophos.com/en-us/en-us/medialibrary/PDFs/technical-papers/malware-forecast-2018.pdf
3. Lipovsky R (2014) ESET analyzes Simplocker—first Android file-encrypting, TOR-enabled ransomware.
https://www.welivesecurity.com/2014/06/04/simplocker/
4. Stefanko L (2015) Aggressive Android ransomware spreading in the USA.
https://www.welivesecurity.com/2015/09/10/aggressive-android-ransomware-spreading-in-the-usa/
5. Schölkopf B, Smola AJ (2001) Learning with kernels: support vector machines, regularization, optimization, and beyond. MIT Press, Cambridge