The persecuted church today lives as it always has under the threat of arrest, imprisonment, physical attack, verbal threats and harassment, and even death. But today these traditional methods are supplemented by the technological revolution. Increasingly persecution comes via the internet, on social media platforms, and sometimes even via the smart devices Christians use themselves. How do oppressive regimes and anti-Christian extremists use modern tech to persecute believers? What impact does this new form of pervasive digital surveillance have on underground churches? And how can those of us worshipping in safety and freedom try to resist a future of global coercion and repression for vulnerable Christians facilitated by multinational tech companies?