SMS PVA: Underground Service for Cybercriminals Part 1: https: | Android Security & Malware

SMS PVA: Underground Service for Cybercriminals
Part 1: https://www.trendmicro.com/en_us/research/22/b/sms-pva-cybercriminals-part-1.html
Part 2: https://www.trendmicro.com/en_us/research/22/b/sms-pva-cybercriminals-part-2.html