1. Software management: security imperative;Bus. Opportunity. Retrieved from,2018
2. Goff, M. (2022). Software piracy statistics 2022 – stat watch. Retrieved from https://www.revenera.com/blog/software-monetization/software-piracy-stat-watch/.
3. Strategies for two-sided markets;Eisenmann;Harv. Bus. Rev.,2006
4. Brewster, T. (2020). Of Ma and malware: inside China's iPhone jailbreaking industrial complex. Retrieved from https://www.forbes.com/sites/thomasbrewster/2015/06/26/china-iphone-jailbreak-industry/?sh=19a03e677538.
5. Kelly, G. (2020). New iPhone, iPad jailbreak exposes massive zero-day flaw impacting 900 million devices. Retrieved from https://www.forbes.com/sites/gordonkelly/2020/05/24/apple-iphone-ios-135-warning-security-jailbreak-iphone-11-pro-max-upgrade/?sh=4a405ee778d2.