Network Security

In this modern era, organizations greatly rely on computer networks to share information throughout the organization in an efficient and productive manner. Organizational computer networks are now becoming large and ubiquitous. Assuming that each staff member has a dedicated workstation, a large scale company would have few thousands workstations and many server on the network.

It is likely that these workstations may not be centrally managed, nor would they have perimeter protection. They may have a variety of operating systems, hardware, software, and protocols, with different level of cyber awareness among users. Now imagine, these thousands of workstations on company network are directly connected to the Internet. This sort of unsecured network becomes a target for an attack which holds valuable information and displays vulnerabilities.

In this chapter, we describe the major vulnerabilities of the network and significance of network security. In subsequent chapters, we will discuss the methods to achieve the same.

Network Topology

Open systems Interconnectivity Model

TCP/IP IN-depth

WAP

NAT

DNS

and ICMP

Internet Routing

Advance Port Scanning

Sniffing Attacks

Masquerading Attacks

Advance DOS and DDOS

Session Hijacking Attacks

Network Operations Centre - Security

Network Traffic Analysis

Network Vulnerability Assessment

Network Penetration Testing

Intrusion Detection System

Solar Winds

Glasswire

Intrusion Detection System

Firewalls (Installation

Configuration

and Usage)

OS Hardening for Networks- Linux and Windows

Cryptography - Introduction

Symmetric Key Encryption

Asymmetric Key Encryption

Hash functions

Trust models

VLAN- Security

VPN- Security

Wireless Networks- Introduction

Radio frequency Essentials

Wireless Security- Basics

Wireless Threats

Attacking Wireless Hotspot and Security

WEP Security

WPA/WPA2 Security

Secure Wireless Infrastructre Deployment

DNS Tunneling

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Enrolled: 45878 students
Duration: 1.5Month
Lectures: 0
Level: Intermediate