Defending the Perimeter from Cyber Attacks Training

Level: Intermediate
Rating: 4.7/5 4.70/5 Based on 43 Reviews

This Defending the Perimeter from Cyber Attacks course will teach you to ensure the confidentiality, integrity, and availability of your organization’s information by protecting your communications and data. You will learn how to define and implement security principles, install and customize secure firewalls, build Virtual Private Network (VPN) tunnels, and safeguard your organization’s network perimeter against malicious attacks.

Key Features of this Defending the Perimeter Training:

  • After-course instructor coaching benefit
  • Learning Tree end-of-course exam included

You Will Learn How To:

  • Fortify your network perimeter to provide an integrated defence
  • Prevent or mitigate the effects of network attacks with a firewall
  • Detect and respond to network attacks with Intrusion Detection and Prevention (IDP)
  • Design, install, and configure secure Virtual Private Networks (VPNs)
  • Mitigate the impact of Denial-of-Service (DoS) attacks



Choose the Training Solution That Best Fits Your Individual Needs or Organizational Goals


In Class & Live, Online Training

  • 4-day instructor-led training course
  • One-on-one after course instructor coaching
  • Earn 23 CompTIA CEUs
  • Pay later by invoice -OR- at the time of checkout by credit card
View Course Details & Schedule

Standard $3285

Government $2890




Team Training

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  • Full - scale program development
  • Delivered when, where, and how you want it
  • Blended learning models
  • Tailored content
  • Expert team coaching

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In Class & Live, Online Training

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Note: This course runs for 4 Days *

*Events with the Partial Day Event clock icon run longer than normal but provide the convenience of half-day sessions.

  • Nov 10 - 13 9:00 AM - 4:30 PM EST Online (AnyWare) Online (AnyWare) Reserve Your Seat

  • Jan 19 - 22 9:00 AM - 4:30 PM EST Herndon, VA / Online (AnyWare) Herndon, VA / Online (AnyWare) Reserve Your Seat

  • May 11 - 14 9:00 AM - 4:30 PM EDT Alexandria, VA / Online (AnyWare) Alexandria, VA / Online (AnyWare) Reserve Your Seat

  • Jul 20 - 23 9:00 AM - 4:30 PM EDT Herndon, VA / Online (AnyWare) Herndon, VA / Online (AnyWare) Reserve Your Seat

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Partial Day Event

Learning Tree offers a flexible schedule program. If you cannot attend full day sessions, this option consists of four-hour sessions per day instead of the full-day session.

Important Defending the Perimeter Course Information

Defending the Perimeter Course Outline

  • Setting Your Security Objectives

    Defining security principles

    • Ensuring data Confidentiality, Integrity and Availability (CIA)
    • Assessing defensive techniques
    • Setting a generic security stance

    Developing a security policy

    • Balancing risk with business requirements
    • Identifying your information assurance objectives
    • Choosing security technologies
  • Deploying a Secure Firewall

    Installing a firewall

    • Determining the appropriate firewall type
    • Selecting and hardening the operating system
    • Virtualizing the firewall appliance

    Configuring a firewall to support outgoing services

    • Supporting simple services: HTTP, SMTP
    • Filtering dangerous content and handling encrypted traffic
    • Managing complex services: VoIP, audio and video

    Providing external services securely

    • Implementing publicly accessible servers
    • Building a DMZ architecture
    • Supporting SMTP mail

    Allowing access to internal services

    • Customizing DNS for firewall architectures
    • Configuring Network Address Translation (NAT)
    • Developing access lists for client server applications
  • Detecting and Preventing Intrusion

    Deploying an IDS

    • Placing Network IDS (NIDS) within your network architecture
    • Operating sensors in stealth mode

    Detecting intrusions in the enterprise

    • Designing a multi-layer IDS hierarchy
    • Managing distributed IDS

    Interpreting alerts

    • Verifying IDS operation
    • Minimizing false positives and negatives
    • Validating IDS events and recognizing attacks

    Stopping intruders

    • Exploiting IDS active responses
    • Snipping a TCP session
    • Controlling access with a firewall update
  • Configuring Remote User Virtual Private Networks (VPNs)

    Building VPN tunnels

    • Compulsory vs. voluntary tunnels
    • Supporting remote users with layer 2 tunnels
    • Connecting remote sites with layer 3 tunnels

    Deploying client software

    • Assessing remote access VPN alternatives
    • Implementing remote user authentication
    • Leveraging Layer 2 Tunneling Protocol (L2TP)
    • Protecting L2TP tunnels with IPsec Transport Mode
  • Creating Site-to-Site VPNs

    Applying cryptographic protection

    • Ensuring confidentiality with symmetric encryption
    • Exchanging symmetric keys with asymmetric encryption
    • Checking message integrity with hashing
    • Managing digital certificates with PKI

    Comparing tunneling and protection methods

    • Employing VPN concentrators and VPN-capable routers
    • Applying IPsec Tunnel Mode
    • Assessing tunneling protocols
    • Evaluating VPN topologies
  • Integrating Perimeter Defenses

    Reducing the impact of denial-of-service (DoS) attacks

    • Mitigating bombardment attacks
    • Rejecting connection-based attacks with IPSs
    • Blackholing and sinkholing
    • Implementing a DoS Defense System (DDS)
    • Blacklisting attack sites and address ranges

    Perimeter architectures

    • Integrating IDS and VPNs with your firewall architecture
    • Positioning externally accessible servers
    • Monitoring and controlling wireless networks

Team Training

Defending the Perimeter Training FAQs

  • Can I learn to defend the perimeter from cyber attacks online?

    Yes! We know your busy work schedule may prevent you from getting to one of our classrooms which is why we offer convenient online training to meet your needs wherever you want. This course is available in class and live online.

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Online (AnyWare)
Herndon, VA / Online (AnyWare)
Alexandria, VA / Online (AnyWare)
Herndon, VA / Online (AnyWare)
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