1.0 INTRODUCTION 2 FACTS AND FINDINGS 2 2.4.1 Passwords 6 2.4.2 Data Encryption and decryption 6 2.4.3 Historical and Statistical Logging 7 2.4.4 Closed User Groups 7 2.2.5 Secure Transmission Facilities 7 2.2.6 Firewalls 7 2.2.7 Physical security 8 APPENDIX B 9 APPENDIX C 9 Security: How do you secure business Information 1.0 Introduction As we know the need of data communication becomes vital in the 20th century as we call it ‘Information Age’. Both business and government were concerned with security and the need for data security becomes evident. Therefore the computer processing, centralised …showed first 75 words of 2810 total…

…showed last 75 words of 2810 total…for example IT-Centre. (http://www.8j.net/local_forms/passwd.html) Appendix C "Public keys are a common use of asymmetric keys. Though secret keys are easy enough to implement between two users, what if we need to contact many different users, and all of the messages need to be encrypted? It is inefficient to call each person, and make up a new secret key, for each transmission. These calls also jeopardise key security". (Beyda, 1996)