Contents Copyright© 2015 .......................................................................................................................... 2 Disclaimer ...................................................................................................................................... 4 Preface ........................................................................................................................................... 5 Part 1: Security Policy Guidelines................................................................................................ 9 1. Overview ...............................................................................................................................9 2. Introduction...........................................................................................................................9 3. Security Management Planning ............................................................................................. 11 4. Security Governance ............................................................................................................. 12 5. Security Management Concepts and Principles....................................................................... 13 6. Data Classification ................................................................................................................ 15 Part 2: Accountability and Access Control............................................................................... 17 1. Purpose ............................................................................................................................... 17 2. Introduction......................................................................................................................... 17 3. User Access Management ..................................................................................................... 19 4. 5. 3.1. User Registration............................................................................................................ 19 3.2. Privilege Management.................................................................................................... 19 3.3. User Password Management .......................................................................................... 19 User Responsibilities ............................................................................................................. 20 4.1. Password Use................................................................................................................. 20 4.2. Password Selection......................................................................................................... 21 4.3. Password Phrases........................................................................................................... 22 4.4. Clear Desk and Clear Screen Policy .................................................................................. 22 Access Control to Program Source Code................................................................................. 23 Part 3: Secure Network Architecture and Network Access Control ..................................... 24 1. Purpose ............................................................................................................................... 24 2. Introduction......................................................................................................................... 24 3. Network and Protocol Security Mechanisms .......................................................................... 25 4. Network Access Control ........................................................................................................ 25 4.1. Policy on Use of Network Services ................................................................................... 26 Lebanese National Security Policy Guidelines v1.7 Page 6|

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