At Pwn2Own hacking competition , Android and Windows Phone 7 tough nuts to crack . There 's the safety of the software itself , the exploit mitigations that are already in place for that software , and then the amount of research that has already been conducted ( which can speed up the process of writing an actual exploit ) . Comment: ` ` Survival of a target at Pwn2Own does not automatically declare it safer , '' winner cautions .
At Pwn2Own hacking competition , Android and Windows Phone 7 tough nuts to crack . Comment: `` Survival of a target at Pwn2Own does not automatically declare it safer , '' winner cautions .