The NSA aided the interception and storing of millions webcam images, secret documents show. The Optic Nerve program is alleged to have collected Yahoo webcam images from more than 1.8 million users in a six-month period alone. About 7 per cent of images displayed nudity or pornographic content, according to the documents. Yahoo denied knowledge of the program and denounced it as: a whole new level of violation of our users privacys privacy GCHQ said it was limited to metadata of the interceptions.”]