1. Smartphone vendor market share;IDC,2017
2. Juice Jacking Vulnerability for iOS: https://www.infotransec.com/news/juice-jacking-vulnerability-ios.
3. Multiplexed wired attack surfaces;Ossmann,2013
4. Mactans: injecting malware into iOS devices via malicious chargers;Lau,2013
5. No free charge theorem: a covert channel viaUSB charging cable on mobile devices;Spolaor,2017