A targeted attack has been launched against Tibetan and Uyghur activists on their Android-based mobile devices. The attack hacked an e-mail account belonging to a high-profile Tibetan activist, infecting his smart phones with malicious viruses, and using the account to send ‘spear-phishing’ e-mails to his contact list, attaching an .APK file containing a malicious program. Certain characteristics of the attack suggest that it was designed by Chinese-speaking authors.