Tài liệu miễn phí An ninh - Bảo mật
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Lecture CCNA security partner - Chapter 1: Network security concepts and policies
This chapter discusses how to develop a comprehensive network security policy to counter threats against information security. It also teaches you about possible threats and how to describe and implement the process of developing a security policy. It covers the identification of common vulnerabilities and threats, mitigation strategies, and the implementation of a security architecture using a lifecycle approach.
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Lecture CCNA security partner - Chapter 2: Security strategy and Cisco borderless Network
This chapterdiscusses the concept of borderless Networks. It discusses Cisco borderless Network architecture, including the components and underlying technologies. You will learn about the Cisco security portfolio products that address specifically issues of borderless Networks, and more precisely about Cisco SecureX. This chapter introduces Cisco threat control and containment products and VPN technologies that will be covered in greater detail in subsequent chapters.
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Lecture CCNA security partner - Chapter 3: Network Foundation Protection and Cisco Configuration Professional
This chapter deals with Cisco IOS Network Foundation Protection (NFP) as a framework for infrastructure protection, all its components, and commonly used countermeasures asfound in Cisco IOS devices. More precisely, this chapter differentiates the security measures to be implemented on the three conceptual planes of Cisco IOS devices: the control plane, the data plane, and the management plane. This chapter also discusses using Cisco Configuration Professional (CCP) to implement security controls on Cisco IOS routers.
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Lecture CCNA security partner - Chapter 4: Securing the Management Plane on Cisco IOS Devices and AAA
This chapter describes how to securely implement the management and reporting features of Cisco IOS devices. It discusses technologies surrounding network management, such as syslog, Network Time Protocol, Secure Shell, and Simple Network Management Protocol.
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Lecture CCNA security partner - Chapter 5: Securing the Data Plane on Cisco Catalyst Switches
Topics covered in this chapter include the following: An introduction to fundamental switching concepts, starting with the building blocks of VLANs and trunking; an introduction to other building blocks of switching technology, including Spanning Tree Protocol for high availability; a revisit and further explanation of security threats that exploit vulnerabilities in the switching infrastructure;...
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Lecture CCNA security partner - Chapter 6: Securing the Data Plane in IPv6 Environments
This chapter explains the need for IPv6 and presents its fundamental features, as well as enhancements when compared to IPv4. It covers IPv6 addressing scheme, components, and design principles and how routing functions. The chapter then presents potential threats and develops a strategy for IPv6 security.
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Lecture CCNA security partner - Chapter 7: Planning a Threat Control Strategy
This chapter suggests design principles to plan a threat control and containment strategy using firewalls and intrusion prevention systems in Cisco IOS environments. This chapter provides a general evaluation of the current state of enterprise security in the presence of evolving threats. It presents the design considerations for a threat protection strategy as part of a risk management strategy with Cisco threat control and containment solutions.
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Lecture CCNA security partner - Chapter 8: Access Control Lists for threat mitigation
Cisco provides basic traffic filtering capabilities with access control lists (ACL). This chapter covers the benefits of ACLs and describes their building blocks. The chapter describes summarizable address blocks in the context of CIDR and VLSM environments, demonstrating how ACL wildcard masks allow for threat mitigation in those environments.
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Lecture CCNA security partner - Chapter 9: Firewall Fundamentals and Network Address Translation
This chapter explains the operations of the different types of firewall technologies and the role they play in network access control and security architectures. It also describes guidelines for firewall rule set creation. The chapter then describes the function and building blocks of Network Address Translation.
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Lecture CCNA security partner - Chapter 10: Cisco Firewalling Solutions Cisco IOS Zone-Based Firewall and Cisco ASA
This chapter explains the two Cisco Firewall solutions: Cisco IOS Zone-Based Policy Firewalls and Cisco Adaptive Security Appliance. It describes in detail Cisco IOS Zone-Based Policy Firewall, and how the solution uses the Cisco Common Classification Policy Language (C3PL) for creating firewall policies. The chapter then presents the Cisco ASA firewall, identifying key supported features and the building blocks of its configuration using ASDM.
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Lecture CCNA security partner - Chapter 11: Intrusion Prevention Systems
This chapter describes the functions and operations of intrusion detection systems (IDS) and intrusion prevention systems (IPS). It explains the underlying IDS and IPS technology embedded in the Cisco IOS IPS solutions. It describe the use of signatures, the need for IPS alarm monitoring, and the design considerations in deploying IPS.
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Lecture CCNA security partner - Chapter 12: Fundamentals of Cryptography and VPN Technologies
This chapter introduces the concepts of cryptography and covers encryption, hashing, and digital signatures and how these techniques provide confidentiality, integrity, authenticity, and nonrepudiation. You will learn about algorithms, symmetric and asymmetric encryption, digital signatures, and Public Key Infrastructure (PKI).
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Lecture CCNA security partner - Chapter 13: IPsec Fundamentals
This chapter covers the role and operational impact of IPsec’s main components and its modes of operation in various scenarios. It provides a detailed description of the phases of IPsec connectivity. It also provides an overview of IPv6 VPNs.
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Lecture CCNA security partner - Chapter 14: Site-to-Site IPsec VPNs with Cisco IOS Routers
This chapter explains how to configure site-to-site virtual private networks (VPN) using Cisco IOS routers. You will learn how to use both CLI commands and Cisco Configuration Professional to configure, validate, and monitor the VPN configuration. You will also learn site-to-site VPN troubleshooting techniques.
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Lecture CCNA security partner - Chapter 15: SSL VPNs with Cisco ASA
This chapter describes the use cases and operational requirements of SSL VPNs and offers a detailed presentation on the operations of SSL. The chapter explains configurations, deployment options, and design considerations. It describes the steps to configure both Cisco VPN clientless mode and Cisco full-tunnel mode on Cisco ASA using the Cisco AnyConnect client.
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Lecture Information systems security - Chapter 0: Introdution
Content in lecture Information systems security include: General security concepts, identifying potential risks, infrastructure and connectivity, monitoring activity and intrusion detection, implementing and maintaining a secure network, securing the network and environment, cryptography basics - methods and standards, security policies and procedures, security administration.
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Lecture Information systems security - Chapter 1: General security concepts
The content in chapter 1: Understanding information security, understanding the goals of information security, comprehending the security process, authentication issues to consider, distinguishing between security topologies.
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Lecture Information systems security - Chapter 2: Identifying potential risks
After studying this chapter you should be able to differentiate among various systems’ security threats: Privilege escalation, virus, Worm, Trojan, Spyware, Spam, Adware, Rootkits, Botnets, Logic bomb,... For further information, inviting you to refer lecture.
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Lecture Information systems security - Chapter 3: Protecting systems
Objectives in chapter 3: Explain how to harden operating systems, list ways to prevent attacks through a Web browser, define SQL injection and explain how to protect against it, explain how to protect systems from communications-based attacks, describe various software security applications.
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Lecture Information systems security - Chapter 4: Wireless network security
After studying chapter 4 you should be able to: Describe the basic IEEE 802.11 wireless security protections; define the vulnerabilities of open system authentication, WEP, and device authentication; describe the WPA and WPA2 personal security models; explain how enterprises can implement wireless security.
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Lecture Information systems security - Chapter 5 (part 1): Cryptography basics
Chapter 5 (part 1) include objectives: Explain general cryptography concepts, explain basic hashing concepts, basic encryption concepts, explain and implement protocols, explain core concepts of public key cryptography.
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Lecture Information systems security - Chapter 5 (part 2): Public key infrastructure
The content chapter 5 (part 1) include: Preparing for cryptographic attacks, cryptography standards and protocols, key management and key life cycle, introduction of PKI, trust models, PKI management.
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Lecture Information systems security - Chapter 6: Access control
The content chapter 5 include: Access control models, authentication models, logging procedures, conducting security audits, redundancy planning, disaster recovery procedures, organizational policies.
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Lecture Information systems security - Chapter 7: Authentication
The contents are presented in chapter 7: Define authentication, authentication credentials, authentication models, authentication servers, extended authentication protocols, Virtual Private Network (VPN). Inviting you to refer.
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Lecture Information systems security - Chapter 8: Conducting security audits
After studying this chapter you should be able to: Define privilege audits, describe how usage audits can protect security, list the methodologies used for monitoring to detect security-related anomalies, describe the different monitoring tools.
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Lecture Information systems security - Chapter 9: Risk management
After studying chapter 9 you should be able to: Define risk and risk management, describe the components of risk management, list and describe vulnerability scanning tools, define penetration testing.
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Bài giảng Xây dựng hệ thống Firewall: Bài 1 - Cao đẳng Nghề CNTT iSPACE
Bài giảng Xây dựng hệ thống Firewall - Bài 1 trình bày các nguyên tắc bảo mật mạng. Mục tiêu của bài này giúp người học: Nhận biết được các nguy cơ bị tấn công của hệ thống mạng, giải thích được các bước để hack một hệ thống mạng, trình bày được các loại tấn công vào hệ thống mạng,... Mời các bạn tham khảo.
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Bài giảng Xây dựng hệ thống Firewall: Bài 2 - Cao đẳng Nghề CNTT iSPACE
Bài giảng bài 2 đề cập đến việc bảo mật mạng sử dụng Cisco IOS Firewall. Bài học này giúp sinh viên hình dung được cách xây dựng hệ thống phòng thủ theo từng tầng, biết ứng dụng bài học vào thực tiễn xây dựng hệ thống Firewall với Cisco IOS Firewall bảo mật cho hệ thống mạng doanh nghiệp.
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Bài giảng Xây dựng hệ thống Firewall: Bài 3 - Cao đẳng Nghề CNTT iSPACE
Bài 3 trang bị cho người học những hiểu biết về bảo mật mạng sử dụng Cisco IPS, giúp sinh viên hiểu về các tính năng của các hệ thống IPS/IDS, biết ứng dụng bài học vào thực tiễn xây dựng hệ thống phát hiện và ngăn chặn tấn công cho hệ thống mạng doanh nghiệp.
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Bài giảng Xây dựng hệ thống Firewall: Bài 4 - Cao đẳng Nghề CNTT iSPACE
Bài 4 trình bày về bảo mật Layer 2. Nội dung chính của chương này gồm: Giới thiệu bảo mật ở lớp 2, tấn công giả mạo MAC Address, tấn công đánh tràn bảng MAC, thay đổi cây STP, LAN storm Attack, cấu hình Layer 2 Security. Mời các bạn cùng tham khảo.
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