Historically, two-factor authentication is not a new concept but its use has become far more prevalent with the digital age we now live in. As recently as February 2011 Google announced two factor authentication, online for their users, followed by MSN and Yahoo.
Body worn video (BWV), also known as body cameras, is a video recording system that is typically utilized by law enforcement to record their interactions with the public or gather video evidence at crime scenes, and has been known to increase both officer and citizen accountability.
Faced with the challenge of striking a balance between transparency for police and privacy for citizens, U.S. law enforcement agencies have not adopted a uniform policy for body cameras, which come in various sizes and can be worn on shoulders, glasses and lapels. recent federal survey of 63 law enforcement agencies using body cameras said nearly a third of the agencies had no written policy on the devices. (It is not known how many agencies overall currently use body cameras.).