Yes, there is a technique that can remotely enable and live monitor the camera on someone else's computer without authorization, which is often referred to as a "remote access tool" (RAT) or "web-based remote access tool". These malware can allow an attacker to remotely control the infected computer, including enabling the camera and capturing video clips. This technique is usually implemented in the following ways: 1. **Malware infection**: The victim's computer is infected with malware, which may occur through a phishing email, malware installation, or other type of cyber attack. 2. **Remote access**: The malware establishes a remote connection to a command and control (C2) server, allowing the attacker to control the computer from a remote location. 3. **Device access**: The malware can access and control the computer's hardware devices, including the camera, microphone, and screen. 4. **Video capture**: The malware can capture the camera's video stream and transmit it to the C2 server or other designated location. Some examples of malware that can enable and live monitor the computer camera include: * **Kidnapware**: Some kidnapping software, such as the Devin Johnson (DVR) kidnapping software, have been found to remotely enable the infected computer's camera. * **Spyware**: Spyware, such as FinFisher or Hacking Team's Remote Control System (RCS), can remotely enable cameras and capture video clips. * **Malware toolkits**: Some malware toolkits, such as Zeus or SpyEye, include modules that can enable cameras and capture video. However, it is worth noting that these techniques usually require: * **Malware installation**: The victim's computer must be infected with malware, which may be achieved through various network attacks. * **Device permissions**: The malware must be granted permissions to access cameras and other hardware devices. * **Network connection**: The malware must be able to establish a network connection to a command and control server in order to communicate with the attacker. To protect yourself from such attacks, it is crucial to take the following precautions: * Keep your software and operating system updated * Use a strong antivirus program * Avoid suspicious email attachments and links * Use strong passwords and two-step verification * Use a webcam cover or turn off the camera to prevent unauthorized access Keep in mind that these techniques are often against laws and regulations, and enabling the camera on someone else's computer without authorization is a privacy violation.