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Securing Wireless Networks: Hands-On

Course 420 • 4 Days

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Quick Enrol

You Will Learn How To

  • Secure wireless networks against threats and attacks
  • Implement the WPA2 and 802.11i security standards to protect your Wi-Fi network
  • Encrypt wireless traffic using Temporal Key Integrity Protocol (TKIP) or Advanced Encryption Standard (AES)
  • Leverage 802.1X and EAP authentication within an enterprise WLAN
  • Build Wi-Fi auditing and accounting infrastructures
  • Deploy wireless intrusion detection systems (WIDS)

Course Benefits

As organizations provide greater mobility to their users, the risk of threats to security grows and the need for secure wireless networks becomes of paramount concern. In this course, you gain the skills to defend against attacks and maintain security within your wireless network. You learn to detect weakness in your existing network and design and configure a cost-effective security solution.

Who Should Attend

Anyone who manages, operates, audits or implements secure networks. Knowledge of wireless technology is helpful.

Hands-On Training

You gain extensive hands-on experience securing a wireless network. Exercises include:
  • Discovering and sniffing WLANs
  • Decoding and analyzing 802.11 frames
  • Cracking WEP and WPA2 PSK keys
  • Configuring WPA2 on APs and clients
  • Setting up 802.1X authentication
  • Installing and presenting digital certificates to RADIUS server
  • Comparing and contrasting EAP-TLS and PEAP
  • Roaming in a secure environment
  • Configuring a wireless IDS

Course 420 Content

Wireless Security Technologies

Security requirements

  • Availability
  • Confidentiality
  • Data integrity
  • Authenticity

WLAN operation and standards

  • 802.11 (Wi-Fi) standards
  • Frequency allocation and modulation techniques

Wi-Fi access points and stations

  • Sniffing 802.11 Association and Authentication
  • Infrastructure models and roaming

Surveying other wireless technologies

  • Bluetooth WPANs (802.15)
  • WiMAX WWANs (802.16)

Analyzing WPA2 and 802.11i Cryptography

Encrypting Wi-Fi traffic for privacy

  • Symmetric vs. asymmetric algorithms
  • Block Ciphers vs. Streaming Ciphers
  • The role of key hierarchies in encryption

Guaranteeing message integrity

  • Hashing with MD5 and SHA
  • Protecting data with digital signatures

Authenticating users with digital certificates

  • Verifying key ownership
  • Chains of authority

Encrypting Wi-Fi Traffic with TKIP or AES

Overcoming problems with legacy WEP

  • Key reuse
  • Shared Keys

Deploying TKIP as an alternative to WEP

  • Upgrading legacy hardware
  • Rolling TKIP keys per frame
  • Integrity checking with Michael

Migrating to AES encryption

  • Using Counter and Cipher Block Chaining modes with AES
  • AES performance issues

Authenticating Wi-Fi Users with PSK or EAP

Deploying preshared key (PSK) authentication

  • Generating master keys from a passphrase
  • Addressing scalability issues

Leveraging the 802.1X standard

  • Incorporating EAP messaging techniques
  • Transporting EAP messages with RADIUS and EAPOL

Choosing EAP implementations

  • EAP-TLS
  • EAP-TTLS
  • PEAP

Authenticating against enterprise directories

  • LDAP
  • Active Directory
  • NT Domains

Creating Secure WLAN Topologies

Designing the wireless security landscape

  • Defining the trusted boundary
  • Centralized vs. distributed control
  • Enforcing access controls
  • Establishing user credentials

Configuring security for roaming

  • Maintaining security contexts
  • 802.11i preauthentication
  • Roaming in a VPN environment

Evaluating network types

  • Public hot spots
  • Visitor and guest networks
  • Integrated corporate WLAN

Maintaining auditing and accounting systems

  • RADIUS accounting
  • Access Point logging

Detecting and Responding to Wi-Fi Attacks

Denial of Service (DoS) attacks

  • Jamming and RF interference
  • Exploiting the Collision Avoidance (CA) mechanism
  • Forcing 802.11 deauthentication

Conducting War Driving

  • Discovering WLANs using NetStumbler and Kismet
  • Intercepting Wi-Fi traffic with Wireshark

Authentication and privacy attacks

  • WEP key cracking
  • Brute force attacks against WPA PSK

The role of WIDS

  • Detecting and locating unauthorized clients and access points
  • Responding to malicious wireless traffic
  • Creating audit logs

<< Back to TCP/IP, Cisco Networks, and Telecom Course List
 

Related Courses

  
Securing Wireless Networks: Hands-On
Hands-On Training

Course Dates

Nov 16 - 19Toronto enrol
Jan 18 - 21Ottawa enrol
May 17 - 20Toronto enrol
Jul 19 - 22Ottawa enrol

US Dates

Sep 14 - 17Reston, VA enrol
Jan 18 - 21Rockville, MD enrol
Mar 1 - 4New York enrol
Jul 5 - 8Reston, VA enrol
Aug 2 - 5New York enrol

More Dates and Locations.

On-Site &
Custom Training

Bring this or any Learning Tree course to your location or have it customized for your organization.

Tuition

$ 3,095 Standard Tuition
Tuition with a Savings Plan
$ 1,800Flex-Training Pass
$ 1,800Multi-Course Passport
$ 2,650Voucher 5-Pack
$ 2,785Alumni Gold Discount
$ 2,660Government Discount
 
Securing Wireless Networks: Hands-On

Course participants configuring a secure wireless network using WPA2 and 802.11i.

 
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