According to , the NSA uses a plug-in called GUMFISH to take over cameras on infected machines and snap photos.
Another NSA plug-in called CAPTIVATEDAUDIENCE hijacks the microphone on targeted computers to record conversations.
Intelligence agencies have been turning computers into listening devices for at least a decade, as evidenced by the Flame spy tool uncovered by Kaspersky Lab in 2012, which had the ability to surreptitiously turn on webcams and microphones and perform a host of other espionage operations.
Researchers believe Flame has been around since 2007.
But did you know that intruders might use the built-in camera to take surreptitious pictures and videos of you and your surroundings or hijack your microphone to eavesdrop on conversations?