Unit 42, the Palo Alto Networks® threat intelligence team, recently released a report identifying and tracking “Scarlet Mimic,” a series of sophisticated cyber espionage attacks which targeted Uyghur and Tibetan activists, their supporters, and entities that collect information on such groups. The attacks, which date back to 2009, have evolved over the past six years to compromise users of Windows®, Mac® OS X®and Android™ devices, indicating that they are the work of a well-resourced, sophisticated and persistent adversary group.