Tài liệu miễn phí An ninh - Bảo mật
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Bài giảng An toàn và bảo mật hệ thống thông tin: Giới thiệu môn học - Đại học Công nghệ Bưu chính Viễn Thông
Bài giảng An toàn và bảo mật hệ thống thông tin: Giới thiệu môn học giúp các bạn nắm bắt được những thông tin chung về môn học như đối tượng, mục tiêu, lịch giảng dạy, tài liệu tham khảo, phương pháp giảng dạy, cách đánh giá môn học cùng một số thông tin khác.
7/8/2020 8:54:49 PM +00:00
Development of cybersecurity and critical infrastructure protection: a case study of Thailand
This paper proposes a guideline to develop measures to handle cyber attacks and to enhance ability to prevent and recover from cyber threats in order to make cyberspace secure and sustainable.
7/8/2020 4:54:03 PM +00:00
Disaster recovery, an element of cyber security- a flick through
This paper will focus on the elements of cyber security specially concentrating on the element DISASTER RECOVERY/ BUSINESS CONTINUING PLAN. This paper will also explain other elements briefly.
7/8/2020 12:10:46 PM +00:00
Bài giảng An ninh mạng
Bài giảng An ninh mạng gồm các nội dung: thiết kế và triển khai VPN; các thành phần của VPN; bảo mật trong VPN; các giao thức đường hầm; thiết kế VPN. Mời các bạn cùng tham khảo bài giảng để nắm chắc kiến thức.
6/18/2020 5:32:01 PM +00:00
Một số phương pháp mã hoá đối xứng
Bảo mật thông tin là một trong những lĩnh vực nghiên đang được phát triển rất mạnh trong thời đại bùng nổ thông tin ngày nay. Thông tin khi được lưu trữ hoặc truyền tải cần được mã hóa bằng những phương pháp mã hóa tốt và tối ưu. Trong bài viết này, sẽ trình bày các phương pháp mã hóa đối xứng cơ bản.
6/18/2020 1:55:03 PM +00:00
Security information resources and strategies of the XXI century
The dynamics of transformations is necessary to streamline the work of intelligence organizations. In Romania there is an older Security Strategy (2006) and no Intelligence strategy, which would need to be developed.
6/18/2020 11:38:44 AM +00:00
Lecture Network security: Chapter 32 - Dr. Munam Ali Shah
The topic discussed in this chapter are: Security threats in mobile devices environment, cryptography, what is cryptology? terminology, another way to represent the concept of cryptography, goals of the adversary, cryptanalysis, language redundancy and cryptanalysis,...
6/18/2020 12:57:25 AM +00:00
Lecture Network security: Chapter 31 - Dr. Munam Ali Shah
This is the last part of the course. The main concepts that are discussed in this part are: Tools and techniques to protect data during the transmission over the Internet, Sobig F. worm, grappling Hook attack, Morris Internet worm, Overview of the Internet security protocols such as https and ssh.
6/18/2020 12:57:18 AM +00:00
Lecture Network security: Chapter 30 - Dr. Munam Ali Shah
The topic discussed in this chapter are: Secure Socket Layer (SSL), three SSL-specific protocols that use the SSL Record Protocol, integrating SSL/TLS with HTTP => HTTPS, HTTPS and SSH. This chapter you would be able to present an understanding of how web security is achieved through different protocols; you would be able demonstrate knowledge about SSH, HTTPS, TLS etc.
6/18/2020 12:57:12 AM +00:00
Lecture Network security: Chapter 29 - Dr. Munam Ali Shah
The topic discussed in this chapter are email security, pretty good privacy, secure/multipurpose internet mail extensions (S/MIME). In this chapter you would be able to present an understanding of how to secure email over the internet, you would be able demonstrate knowledge about PGP and its operation.
6/18/2020 12:57:06 AM +00:00
Lecture Network security: Chapter 28 - Dr. Munam Ali Shah
In this chapter: We will talk about what Internet security is and how to ensure security while browsing through the internet, we will also see what spyware are and how do they look like, we will also discuss few methods that can be used to avoid spywares, we will also see a couple of examples of phishing on the internet.
6/18/2020 12:57:00 AM +00:00
Lecture Network security: Chapter 27 - Dr. Munam Ali Shah
In this chapter we will continue our discussion on SET and explore the following; payment processing in SET: purchase request, payment authorization, payment capture. The learning objectives for this chapter include: You would be able to present an understanding of transaction that is carried out over the internet, you would be able demonstrate knowledge about different entities and their role in a SET and how the actual payment is processed in SET.
6/18/2020 12:56:54 AM +00:00
Lecture Network security: Chapter 26 - Dr. Munam Ali Shah
The learning objectives for this chapter include: You would be able to present an understanding of transaction that is carried out over the internet, you would be able demonstrate knowledge about different entities and their role in a SET.
6/18/2020 12:56:48 AM +00:00
Lecture Network security: Chapter 25 - Dr. Munam Ali Shah
This chapter we will continue our discussion on authentication applications and more precisely we will talk about kerberos in detail. kerberos versions, threats and vulnerabilities will also be discussed.
6/18/2020 12:56:42 AM +00:00
Lecture Network security: Chapter 24 - Dr. Munam Ali Shah
In this chapter: We will continue our discussion on Needham-Schroeder Protocol and will see how does it work, digital signature standard (DSS) and digital signature algorithm (DSA) will be discussed, we will talk about authentication applications, and will study kerberos which is an authentication service developed at MIT.
6/18/2020 12:56:36 AM +00:00
Lecture Network security: Chapter 23 - Dr. Munam Ali Shah
In previous lecture we explored the limitations of the centralized key distribution and have explored key distribution in a decentralized fashion. We discussed in detail, how message authentication could be achieved. There are several functions and protocols used for message authentication. This chapter you would be able to present an understanding of the higher level message authentication mechanism, demonstrate knowledge about different protocols used for message authentication.
6/18/2020 12:56:30 AM +00:00
Lecture Network security: Chapter 22 - Dr. Munam Ali Shah
In this chapter you would be able to present an understanding of the confidentiality and message authentication mechanism, you would be able demonstrate knowledge about different functions and protocols used for message authentication.
6/18/2020 12:56:24 AM +00:00
Lecture Network security: Chapter 21 - Dr. Munam Ali Shah
In this chapter, you will learn: Key distribution mechanism will be discuss in detail, the role of a KDC (key distribution center), key distribution design constraints will be explored. In this chapter students will be able to present an understanding of the confidentiality using symmetric encryption, demonstrate knowledge about the key distribution.
6/18/2020 12:56:18 AM +00:00
Lecture Network security: Chapter 20 - Dr. Munam Ali Shah
In this chapter, we will talk about confidentiality using symmetric encryption, we will also explore link vs. end to end encryption, key distribution design constraints will be explored.
6/18/2020 12:56:12 AM +00:00
Lecture Network security: Chapter 19 - Dr. Munam Ali Shah
In this chapter, we will talk about confidentiality using symmetric encryption, we will also explore link vs. end to end encryption, key distribution design constraints will be explored.
6/18/2020 12:56:05 AM +00:00
Lecture Network security: Chapter 18 - Dr. Munam Ali Shah
The topic discussed in this chapter are: Attacks on pseudorandom generators, tests for pseudorandom functions, true random generators. After studying this chapter you will be able to present an understanding of the random numbers and pseudorandom numbers; understand the use and implementation of TRNG, PRNG and PRF.
6/18/2020 12:55:59 AM +00:00
Lecture Network security: Chapter 17 - Dr. Munam Ali Shah
The topic discussed in this chapter are: We will explore the need, features and characteristics of public key cryptography; the working/function of a public key cryptography scheme will be discussed in detail; RSA, as an example, will be explained.
6/18/2020 12:55:53 AM +00:00
Lecture Network security: Chapter 16 - Dr. Munam Ali Shah
The topics discussed in this chapter are stream cipher features and characteristics; we will explore RC4, RC5, blowfish and triple DES. After studying this chapter you will be able to present an understanding of the principles for stream and block ciphers, use and understand the different techniques used for stream ciphers.
6/18/2020 12:55:47 AM +00:00
Lecture Network security: Chapter 15 - Dr. Munam Ali Shah
The contents of this chapter include all of the following: discussion on block cipher and stream cipher, detail the symmetric key cryptography, we explored feistel cipher and its structure, the DES was also discussed in detail.
6/18/2020 12:55:41 AM +00:00
Lecture Network security: Chapter 14 - Dr. Munam Ali Shah
This chapter includes contents: We will explore block ciphers and stream ciphers with some examples, second dimension of the cryptography, what is fesitel structure and why is it used will also be part of today’s lecture, importantly, we will discuss data encryption standard (DES).
6/18/2020 12:55:35 AM +00:00
Lecture Network security: Chapter 13 - Dr. Munam Ali Shah
The topics discussed in this chapter are: Our discussion on more cryptographic schemes will continue, poly-alphabetic cipher will also be discussed, we will explore one time pad and OTP, the security and practicality of OTP will also be discussed, transposition cipher with an example of rail fence cipher will form part of our today’s lecture.
6/18/2020 12:55:28 AM +00:00
Lecture Network security: Chapter 12 - Dr. Munam Ali Shah
The topic discussed in this chapter are: explore a couple of more examples of shift cipher, continue the discussion on mono-alphabetic cipher with an example will also be discussed, perform a cryptanalysis on a cipher text to reveal the plain text.
6/18/2020 12:55:22 AM +00:00
Lecture Network security: Chapter 11 - Dr. Munam Ali Shah
The topic discussed in this chapter are cryptography as a network security tool. In this chapter we will talk about 3-Dimesions of cryptography; cryptanalysis and brute force attacks; classical ciphers: substitution cipher, transposition cipher.
6/18/2020 12:55:16 AM +00:00
Lecture Network security: Chapter 10 - Dr. Munam Ali Shah
The topic discussed in this chapter are cryptography as a network security tool. In this chapter we will talk about what cryptography is and why is it used; some basic terminologies such as plain text, cipher text, cryptanalysis will also form part of todays lecture discussion; types of cryptography attacks.
6/18/2020 12:55:11 AM +00:00
Lecture Network security: Chapter 9 - Dr. Munam Ali Shah
This chapter we will continue our discussion on mobile device security, robust security network (RSN) and IEEE802.11i network security model. After completing this unit, you should be able to present an overview of security threats and countermeasures for mobile networks, understand the basics of IEEE802.11i standard for robust security, describe the principal elements for a network security model.
6/18/2020 12:55:05 AM +00:00