Digital technology is upon everyone's mind.

Digital technology is upon everyone's mind, but sometimes the more technical aspects of digital can be confusing. This article will address general digital queries in an alphabetical format.

A AUDIT TRAIL, AUTHENTICATION

An audit trail is a way of authenticating a digital image. It comprises a digital signature made up of a ???fingerprint??? related to information about the capture of an image. Audit trails are widely used on the police in audio recordings, and an audit trail onward a digital recorder can present to view a combination of vital details forward each video frame. These details can include time and date of creation and the camera in succession which the image was recorded, thus proving beyond doubt that an end happened at a particular time.

Authentication of a digital image may be done in many different ways, including digital signatures, encryption, audit trails and watermarking. Digital signatures are built from information within