Patent attributes
A secure server is configured to host one or more secure applications. A first user device includes a camera operable to capture a first image of a first user of the first user device. The first user device receives a notification that indicates confirmation of authentication of a second user of a second user device is needed after the second user requests access to the secure server. Following receipt of the notification, the first user device captures a first image of the first user. The first image includes at least a portion of a face of the first user. Facial recognition is performed, and results of facial recognition are provided to the second user device where it is used for multi-person authentication.