Here are my presentations in some recent security conferences:

• The Underground Economy of Apple ID. BSidesSF, San Francisco, Feb 2017
• Fruit vs Zombies: Defeat Non-jailbroken iOS Malware. ShakaCon, Honolulu, Jul 2016
• Who’s Breaking into Your Garden? iOS and OS X Malware You May or May Not Know. BsidesSF, San Francisco, Feb 2016
• iOS Malware: New Techniques, Trends and Ecosystems. Palo Alto Networks Ingite, Las Vegas, Mar 2015
• Guess Where I Am: Detection and Prevention of Emulator Evading on Android. XCon, Beijing, Oct 2014 (co-authered with Wenjun Hu)
• Insecure Internal Storage in Android. HITCon, Taipei, Aug 2014
• Android App Vulnerability and App Protection (in Chinese), China Internet Security Conference, Beijing, Sep 2013
• Security Attack to 3D Printing. XCon, Beijing, Aug 2013
• Review of Security Vulnerabilities on the Android Platform (in Chinese). HITCON, Taipei, Jul 2013
• Trends and Technical Challenges of Mobile APTs (in Chinese, keynote). CNCERT/CC Annual Conference, Hohhot, Jul 2013