The process of establishing confidence in user identities electronically presented to an information system.
						                            Source(s):
						                            
								                            
                                                                
                                                                    CNSSI 4009-2015
                                                                
                                                                										                             under electronic authentication (e- authentication) 
                                                                                                                                    from
                                                                            NIST SP 800-63-2                                                                
									                            
                                                                
                                                                    NIST SP 800-63-2
                                                                
										                             [Superseded]
                                                                                                                                                                                                
									                            
						                            
						                            
						                        
					                            
						                              The process of establishing confidence in user identities presented digitally to a system. In previous editions of SP 800-63, this was referred to asElectronic Authentication.
						                            Source(s):
						                            
								                            
                                                                
                                                                    NIST SP 800-63-3
                                                                
                                                                										                             under Digital Authentication 
                                                                                                                                
									                            
						                            
						                            
						                        
					                            
						                              See Digital Authentication.
						                            Source(s):
						                            
								                            
                                                                
                                                                    NIST SP 800-63-3
                                                                
                                                                                                                                                                                                
									                            
						                            
						                            
						                        
					                            
						                              The process of establishing confidence in user identities presented digitally to a system. In previous editions of SP 800-63, this was referred to as Electronic Authentication.
						                            Source(s):
						                            
								                            
                                                                
                                                                    NIST SP 800-63-3
                                                                
                                                                										                             under Digital Authentication