Vault 7 at Wikileaks was recently opened up. The archive revealed details about certain surveillance techniques, employed by the CIA. These technologies involve using electronic devices for spying.
Different surveillance mechanisms target different devices, including Samsung smart TVs, iPhones, and Android devices. A technique called Weeping Angel is used to turn smart TVs into microphones. You’d better not blink, for this technology can record your conversations even when your device is turned off.