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The verb eavesdrop is a back-formation from the noun eavesdropper ("a person who eavesdrops"), which was formed from the related noun eavesdrop ("the dripping of water from the eaves of a house; the ground on which such water falls"). [1] An eavesdropper was someone who would hang from the eave of a building so as to hear what is said within.
The Special Collection Service (SCS), codenamed F6, [1] is a highly classified joint U.S. Central Intelligence Agency–National Security Agency program charged with inserting eavesdropping equipment in difficult-to-reach places, such as foreign embassies, communications centers, and foreign government installations.
The relative motion and position of the center of the pupil and the glint are used to estimate the gaze vector, which is then mapped to coordinates on the screen plane. Researchers proposed ways to counter shoulder surfing on mobile devices by leveraging the front-facing camera for gaze-based password entry.
A summary of key provisions follows. The Act empowers the Attorney General or Director of National Intelligence ("DNI") to authorize, for up to one year, the acquisition of communications concerning "persons reasonably believed to be outside the United States" if the Attorney General and DNI determine that each of five criteria has been met:
The statute allowed electronic eavesdropping for up to two months upon a standard of "a reasonable ground to believe that evidence of a crime may be thus obtained." Further two-month extensions of the original order could be granted if investigators made a showing that such surveillance would be in the public interest.
A word to the wise: If you overhear your work-from-home spouse talking business, just forget anything you may learn from it. Tyler Loudon, a 42-year-old Houston man, learned this lesson the hard way.
The Shadow Factory: The Ultra-Secret NSA from 9/11 to the Eavesdropping on America is a book on the National Security Agency by author James Bamford. Fort Gordon, Georgia [ edit ]
The threat of network eavesdroppers is a growing concern. Research and discussions are brought up in the public's eye, for instance, types of eavesdropping, open-source tools, and commercial tools to prevent eavesdropping. [3] Models against network eavesdropping attempts are built and developed as privacy is increasingly valued.