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Giáo trình hướng dẫn học tập CCNA chương 1. Giúp người học tìm hiểu cơ bản về CCNA. Trong giáo trình cũng có các ví dụ mình họa để người học hiểu hơn về bài giảng. Kết cấu bài học gồm 11 chương. Mỗi chương sẽ có 1 nội dung phù hợp với thời lượng khoảng 2 tiết.
Chapter 1: Modern Network Security Threats CCNA Security v2.0 1.0 Introduction Chapter Outline 1.1 Securing Networks 1.2 Network Threats 1.3 Mitigating Threats 1.4 Summary © 2013 Cisco and/or its affiliates All rights reserved Cisco Public Section 1.1: Securing Networks Upon completion of this section, you should be able to: • Describe the current network security landscape • Explain how all types of networks need to be protected © 2013 Cisco and/or its affiliates All rights reserved Cisco Public Topic 1.1.1: Current State of Affairs © 2013 Cisco and/or its affiliates All rights reserved Cisco Public Networks Are Targets © 2013 Cisco and/or its affiliates All rights reserved Cisco Public What is Network Security? National Security Telecommunications and Information Systems Security Committee (NSTISSC) Network security is the protection of information and systems and hardware that use, store, and transmit that information Network security encompasses those steps that are taken to ensure the confidentiality, integrity, and availability of data or resources © 2013 Cisco and/or its affiliates All rights reserved Cisco Public Drivers for Network Security Common network security terms: • Threat • Vulnerability • Mitigation Cisco Security Intelligence Operations ã Risk â 2013 Cisco and/or its affiliates All rights reserved Cisco Public Vectors of Network Attacks © 2013 Cisco and/or its affiliates All rights reserved Cisco Public Data Loss Vectors of data loss: • Email/Webmail • Unencrypted Devices • Cloud Storage Devices • Removable Media ã Hard Copy ã Improper Access Control â 2013 Cisco and/or its affiliates All rights reserved Cisco Public Topic 1.1.2: Network Topology Overview © 2013 Cisco and/or its affiliates All rights reserved Cisco Public 10