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  • You need to tell what is a wireless access point.

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  • 1. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Objectives In this session, you will learn to: Identify methods for securing wireless communications. Identify appropriate responses to social engineering attacks. Install and configure security measures. Maintain and troubleshoot security measures. Ver. 1.0 Session 15 Slide 1 of 22
  • 2. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Wireless Security Increase in the number of wireless computing devices has given rise to the need for protecting wireless network communications. Ver. 1.0 Session 15 Slide 2 of 22
  • 3. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Wireless Encryption Methods The protocols that are available to encrypt and secure wireless communications are: WEP WTLS 802.1x WPA 802.11i Ver. 1.0 Session 15 Slide 3 of 22
  • 4. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Security Methods for Wireless Access Points The methods that increase the security on wireless access points are: User authentication Data encryption Anitvirus software Security patches MAC filters Static IP Use firewall Change default username Alter or disable SSID Configure vendor’s security settings Ver. 1.0 Session 15 Slide 4 of 22
  • 5. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Wireless Client Configuration Options The options for increasing the security on wireless clients are: • Data encryption • Antivirus software • Security patches • Secure the wireless access point. Ver. 1.0 Session 15 Slide 5 of 22
  • 6. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Social Engineering • Social engineering is a technique used to obtain confidential information by manipulating the computer system users. Ver. 1.0 Session 15 Slide 6 of 22
  • 7. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Social Engineering Attacks • A social engineering attack is a type of attack that uses the steps to gather information from users: 1. Attacker obtains credentials from user 2. Attacker uses credentials to mount attack 1 User name Password 2 Attacker Target Ver. 1.0 Session 15 Slide 7 of 22
  • 8. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Social Engineering Prevention The most effective way to prevent damage from social engineering attacks is to train individuals to recognize and respond to these attacks properly. Types of biometrics are: Fingerprint scan Retinal scan Voice recognition Face recognition Biometric authentication token Ver. 1.0 Session 15 Slide 8 of 22
  • 9. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Install and Configure Security Measures To implement the appropriate security measures you must first install and configure security measures. As a computer support technician you will need to have the security knowledge and skills to install the proper measures so that systems are protected and users can access the resources they need. Ver. 1.0 Session 15 Slide 9 of 22
  • 10. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Windows Security Policies • Windows security policies are Windows configuration settings that control the overall security behavior of the system. Policies set centrally for computer Configuratio n settings Security Settings node in policy object Ver. 1.0 Session 15 Slide 10 of 22
  • 11. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Windows Firewall • Windows Firewall is a software-based firewall available with Service Pack 2 for Windows XP. Ver. 1.0 Session 15 Slide 11 of 22
  • 12. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Software Firewall Configuration Settings • Most software-based firewalls offer configuration settings for common security options, such as: Global security level Application access Security log Unsolicited traffic blocking Ver. 1.0 Session 15 Slide 12 of 22
  • 13. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Computer Security Measures When you select and apply computer security measures, you must: Protect system Protect applications and data Permit legitimate access Ver. 1.0 Session 15 Slide 13 of 22
  • 14. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Activity 15-1 Activity on Configuring Windows Firewall Ver. 1.0 Session 15 Slide 14 of 22
  • 15. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Activity 15-2 Activity on Configuring NTFS Permissions Ver. 1.0 Session 15 Slide 15 of 22
  • 16. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Activity 15-3 Activity on Using File Encryption Ver. 1.0 Session 15 Slide 16 of 22
  • 17. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Maintaining and Troubleshooting Security Measures • System security is a ongoing process, so once the security measures are installed they must be maintained to: To avoid attacks. Troubleshoot in response to user access problems. Address directly or escalate. Ver. 1.0 Session 15 Slide 17 of 22
  • 18. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Common Computer Security Issues The common computer security issues are: BIOS security Biometric security Authentication Malicious software File system security Data access issues Backup security Ver. 1.0 Session 15 Slide 18 of 22
  • 19. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Common Software Firewall Issues • The common software firewall issues are: Disabling Open ports LAN and VPN traffic Firewall conflicts Program dependencies Outgoing traffic User errors Ver. 1.0 Session 15 Slide 19 of 22
  • 20. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Common Wireless Client Configuration Issues The common wireless client configuration issues are: Protocol compatibility WEP SSL on WAP Buffer overflow Viruses Data in plain text Lack of authentication Site surveys Unused connections Ver. 1.0 Session 15 Slide 20 of 22
  • 21. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Common Encryption Issues • The common encryption issues are: Effectiveness of encryption: • Computational power • Size of encryption key • New attacks and exploits Problems with encryption: • Lost or corrupted keys • User does not own data Ver. 1.0 Session 15 Slide 21 of 22
  • 22. CompTIA A+ Certification: Personal Computer Security Concepts and Installing Windows XP Professional Using Attended InstallationSupporting Personal Computer Security Summary In this session, you learned that : Protecting wireless communications is necessary to have an secure wireless communication. Social engineering is a technique used to obtain confidential information by manipulating the users of computer system. The measures that are necessary to be taken to prevent social engineering attacks. The steps taken to install and configure security measures. The issues to be considered for maintaining and troubleshooting security measures. Ver. 1.0 Session 15 Slide 22 of 22