Individual, group, or organization responsible for ensuring that the information security requirements necessary to protect the organization’s core missions and business processes are adequately addressed in all aspects of enterprise architecture including reference models, segment and solution architectures, and the resulting information systems supporting those missions and business processes.
						                            Source(s):
						                            
								                            
                                                                    CNSSI 4009-2015
                                                                    from
                                                                            NIST SP 800-37 Rev. 1									                            
                                                                    NIST SP 800-137
										                             under Information Security Architect 
                                                                    from
                                                                            NISTIR 7298									                            
                                                                    NIST SP 800-37 Rev. 1
										                             under Information Security Architect