(The RSA Conference is one of the most influential industry events in the information security community. In 2011, just 20 years after the RSA Conference, many experts and experts were deeply touched by this, and they all released some security views and emotions. For example, a highlight of this conference is the high persistence of APT threats.... How can we resist APT hackers? Fortune 500 chief security officer resigned due to APT attack? Find the answer in the audio. (RAR compressed package, please decompress it before playing the MP3 inside. It seems that some computer players do not support direct playback.))