Don't thumb nose at mobile security threats The motivations for targeted attackers -- whether it's nation-state cyber-espionage or APTs targeting businesses or political activists -- are much, much higher. A skilled hacker can beam an exploit via NFC to automatically open a maliciously rigged document on your Android device. A few exploitation tricks later and it's game over. On iPhone, which is widely hailed as the most secure mobile OS platform, WebKit continues to be a security nightmare and a popular target for hackers building drive-by download exploits. There are still ways to bypass Apple's code signing and sandboxing mitigations.