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第 10 章 信息安全技术基础 PowerPoint PPT Presentation


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第 10 章 信息安全技术基础. 本章要点. 信息安全的概念、特征和信息安全面临的威胁及策略。 计算机病毒的特点、分类和计算机病毒的防治。 恶意软件的特征和分类。 保护信息安全的数据加密技术、数字签名等技术。 黑客和防火墙的概念以及防火墙的分类。 我国关于网络安全的法律法规和计算机职业道德规范。. 10.1 信息安全概述. 10.1.1 信息安全的概念 1 信息安全的概念. 所谓网络信息安全就是指网络系统的硬件、软件及其系统中的数据受到保护,不受偶然的或者恶意的原因而遭到破坏、更改、泄露,系统连续可靠正常地运行,网络服务不中断。.

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第 10 章 信息安全技术基础

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10.1

10.1.1

  • 1


2

1

2


3

4

5

6


10.1.2

1

1

2

3


4

5

6

7

8

9

10

11


2


1

2

3

4WWWFTPSMTP


5

66

7


8


10.2

10.2.1

(Computer Virus)


10.2.2

1

2


3

4

5


6

7


10.2.3

1

COMEXEBATOVLSYS


2


3

CPU


4

USB


10.2.4

1

12345678910


2

1

2


3

20005


3

  • BitDefenderKaspersky F-Secure Anti-VirusPC-cillinESET Nod32McAfee VirusScanNorton AntiVirusAVG Anti-VirusCA AntivirusNorman Virus Control


10.3

10.3.1


20076158

1

2

3

4


5

6

7

8


10.3.2

1

USB


2


3


4Adware

5(Spyware)


6

BHOWinsock LSPIE

7Track Ware


8(malicious shareware)


10.4

10.4.1

PlaintextCiphertext


1

3

1

2

3

2

12


Digital Signature

10.4.2

3DESRS4RSA


Certificate AuthorityCACA

10.4.3

CACACACA


10.4.4

Message DigestHash


Digital Watermarking()

10.4.5


1 23.


10.5

10.5.1

HackerCracker



10.5.2

  • 10-4

10-4


4

1

2

3

4


10.5.3

1

IP

2


10.6

10.6.1



10.6.2

1

2

3


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