Computer Security - Network Scanning

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easttom_ppt_11_final.ppt

Computer Security Fundamentals

by Chuck Easttom

Chapter 11 Network Scanning and Vulnerability Scanning

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© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Chapter 11 Objectives

  • Understand how to secure a system
  • Probe a system for vulnerabilities
  • Use Vulnerability vulnerability scanning tools
  • Evaluate potential security consultants

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Understand and be able to conduct basic system reconnaissance.

Describe and use several port scanners.

Understand how to derive useful information about a Web site from internic or the Netcraft Web site.

Know how to locate useful information about a system or organization from Internet newsgroup postings.

Understand the use of vulnerability scanners.

Use port monitoring utilities.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Introduction

  • Secure the system.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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The goals of the hacker and the network administrator have a great deal in common.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Basics of Security

  • Ports
  • Protect
  • Policies
  • Probe
  • Physical

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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The goals of the hacker and the network administrator have a great deal in common.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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MBSA

  • Microsoft Baseline Security Analyzer

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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The goals of the hacker and the network administrator have a great deal in common.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Nessus

  • Popular Vulnerability Scanner

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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The goals of the hacker and the network administrator have a great deal in common.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Getting Professional Help

  • Certification
  • Education
  • Experience
  • Background Checks

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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The goals of the hacker and the network administrator have a great deal in common.

Certifications

  • CEH
  • CISSP
  • Security+
  • Vendor-specific (Microsoft, Cisco, and so on)
  • GAIC

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

Education

  • Computer Science
  • Engineering
  • Computer Information Systems
  • Security Degrees

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

Background and Experience

  • Prior Security Experience
  • Criminal Background Check
  • Credit Check
  • References Check

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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Summary

  • Information
  • The more information you have about the vulnerabilities and weaknesses of your system, the better prepared you are to defend it.
  • The more information the hacker has about your system’s vulnerabilities and weaknesses, the sooner it will be violated.
  • The tools in this chapter are for the network and security administrator and are to be used for legal, not illegal, purposes.

© 2016 Pearson, Inc. Chapter 11 Network Scanning and Vulnerability Scanning

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