network security

NETWORK SECURITY The Security that we render towards a NETWORK is called Bh Durga Adithya Varma , CSE-A , 12N31A0532

Upload: bhupathiraju-durga-adithya-varma

Post on 11-Apr-2017

185 views

Category:

Engineering

0 download

Report

Download

Embed Size (px):

TRANSCRIPT

NETWORKSECURITY

The Security that we render towards a NETWORK is called

Bh Durga Adithya Varma , CSE-A , 12N31A0532

NETWORK SECURITY1. Cryptography2. Types of Cryptography3. Steganography4. Cyber Crime/Attack5. Ethical Hacking6. Fire Walling7. Security Mechanisms8. Security Services9. Security Threats

Bh Durga Adithya Varma , CSE-A , 12N31A0532

CRYPTOGRAPHY

SUBSTITUTION CIPHERS(replaces the original text with secret text, keeping the order as it is)

TRANSPOSITION CIPHERS(replaces the original text with secret text, but changing its order)

Bh Durga Adithya Varma , CSE-A , 12N31A0532

Substitution CipherPlain Text Letters:A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Cipher Text Letters:Q W R T Y U I O P A S D F G H J K L Z X C V B N M

The text MEET ME AFTER SCHOOL BEHIND THE GYM

Is converted as DTTZD TQYZT KLEIG GSWTI OFRZI TUNDM

Bh Durga Adithya Varma , CSE-A , 12N31A0532

Transposition CipherThe text MEET ME AFTER SCHOOL BEHIND THE GYM

Is converted as EAMTN FTDIE EHTER HMEMB YESCG LOHO

Bh Durga Adithya Varma , CSE-A , 12N31A0532

CRYPTOGRAPHY Types of

1.SECRET KEY CRYPTOGRAPHY2.PUBLIC KEY CRYPTOGRAPHY

Bh Durga Adithya Varma , CSE-A , 12N31A0532

SECRET KEY CRYPTOGRAPHY

Plain Text Cipher Text

Cipher text Plain Text

Key

Encryption

Decryption

Bh Durga Adithya Varma , CSE-A , 12N31A0532

PUBLIC KEY CRYPTOGRAPHYEncryption

Plain Text Cipher Text

Cipher text Plain Text

Decryption

Public Key

Private Key

Bh Durga Adithya Varma , CSE-A , 12N31A0532

(Crime is an illegal act if it is done in NETWORKING it is CYBER CRIME)

Security System that protect your PC’s or NETWORK from HACKERS,INTRUDERS &MALICIOUS CODE

Bh Durga Adithya Varma , CSE-A , 12N31A0532

SECURITYMECHANISMS

A mechanism that is designed to detect, prevent, or recover from a security attack

Bh Durga Adithya Varma , CSE-A , 12N31A0532

SECURITY SERVICES

1. Normal Flow2. Interruption3. Interception4. Modification5. Fabrication

Bh Durga Adithya Varma , CSE-A , 12N31A0532

SECURITY THREATS

PASSIVE ATTACKS(In this the goal of the attacker is to obtain information that is

being transmitted)

ACTIVE ATTACKS(These attacks involve some modification of the Original Data Stream or

creation of False Stream)

Bh Durga Adithya Varma , CSE-A , 12N31A0532

CONCLUSIONSecurity is to be given to each and every Environments whether it is our

Personal Computing Environment (or)

Time Sharing Environment (or)

Client-Server Environment (or)

Distributed Computing Environment.

Bh Durga Adithya Varma , CSE-A , 12N31A0532

THANK YOU

Bh Durga Adithya Varma , CSE-A , 12N31A0532

Fortinet Certified Network Security Administrator (FCNSA ... · Fortinet Certified Network Security Administrator (FCNSA) ... Network Security Administrator (FCNSA) - Version

Chapter 14 Network Security 14.1 - Developing a Network Security Policy 14.2 - Threats to Network Security 14.3 - Implementing Security Measures 14.4 -

Chapter 5 Network Security - WordPress.com · Chapter 5 Network Security. 2 What is network security? Network Security means providing CIA. ... details about a cryptosystem except

Cryptography and Network Security UNIT IV - NETWORK SECURITY

CRYPTOGRAPHY AND NETWORK · PDF fileCRYPTOGRAPHY AND NETWORK SECURITY UNIT-I Introduction: Security Attacks, Security Services, Security Mechanisms, and a Model for Network Security,

Chapter 8 Chapter 8: Network Security Network Security · PDF file · 2017-08-28understand principles of network security: cryptography and its manyuses beyond ... Network Security

CSE543 Computer and Network Security Module: Network Security

Network Security Monitoring - gauss.ececs.uc.edugauss.ececs.uc.edu/Project4/Documents/nsm.pdfCyber Defense Overview Network Security Monitoring – 1 / 23 Network Security Monitoring

Network Security and Risk Assessment IBM Network Security

network security / information security

Network Security Part I: Introduction Network Security Management

Wireless security survey Wireless network security ... · Wireless network security landscape of India 1 Wireless security survey Wireless network security landscape of India December

Network Security: WLAN Security

Network Security in “Wireless/Cellular” Data … Cellular Network Security...Arsitektur Cellular Network ... Network Security Investigation Teknologi Keamanan Jaringan ... » 4G,

Network Security Professor Adeel Akram. Network Security Architecture

Security+ Guide to Network Security Fundamentals, Fourth Edition Chapter 6 Network Security

Network Security, network attacks and Possible Security ... · Network security for internet access . 1. Network security . System and the Network Technology is a key technology for

Network Security PENS-ITS Intro to Network Security Network Security Politeknik Elektronika Negeri Surabaya 2007

Network Security Framework - infrastructure.it.ubc.cainfrastructure.it.ubc.ca/files/2012/07/Network-Security-Frameworks.pdf · New network security framework The new security framework

Chapter 13 Network Security. Contents Definition of information security Role of network security Vulnerabilities, threats and controls Network security

Network Security Application Security Security Management

Network Security: WLAN Security

Internet and Network Security Introduction to Network Security

Research on Network Security Situation Awareness ... on Network Security Situati… · network security, there is main. ly network security situation awareness frame based on . intrusion

Www. engineersportal.in. OUTLINES Network & Network Security Need of Network Security Methods of Network Security Firewall Firewall’s Works Firewall’s

CHAPTER 5 WIRELESS NETWORK SECURITY Network Security

Network Security - College of Engineeringweb.engr.oregonstate.edu/.../network_security.pdf · 8: Network Security 8-1 Network Security Goals: understand principles of network security:

Network Security - INL: IP Networking Labinl.info.ucl.ac.be/system/files/Internet-security.pdf · Transport-layer security Network-layer security 3. ... Network Security : Private

Module 12 Network Security 12.1 - Developing a Network Security Policy 12.2 - Threats to Network Security 12.3 - Implementing Security Measures 12.4 -

Network security Product Group 2 McAfee Network Security Platform

Balkan Security Network for EU Programs and Funds (200… · EU Programmes and Funds for Balkan countries Balkan Security Network Balkan Security Network | Balkan Security Network

doc.: IEEE 802.11-19/0247r8€¦ · Web view+robust security network. robust security network association--robust security network association key management-robust security network

Chapter 11 Security Protocols Network Security Threats Security and Cryptography Network Security Protocols Cryptographic Algorithms

IUT– Network Security Course 1 Network Security Firewalls

Kizza - Guide to Computer Network Security 1 Chapter 2: Understanding Network Security Guide to Computer Network Security