National Credential
Credential: Certified Network Defender (CND)  ANSI resource
Credentialing Agency: International Council of Electronic Commerce Consultants (EC-Council)

The International Council of Electronic Commerce Consultants (EC-Council), Certified Network Defender (CND) certification program focuses on creating Network Administrators who are trained on protecting, detecting and responding to the threats on the network. Network administrators are usually familiar with network components, traffic, performance and utilization, network topology, location of each system, security policy, etc. A CND will get the fundamental understanding of the true construct of data transfer, network technologies, software technologies so that the they understand how networks operate, understand what software is automating and how to analyze the subject material. Candidates must attend official training or have at least 2 years of work experience in the Information Security domain to qualify to sit for the CND exam.

More information can be found on the certifying agency's website.

Renewal Period: 3 years

Certified Network Defender (CND)

The following Army Occupations provide training and/or experience that contributes to attaining this credential:

Personnel Category Occupation Occupation Type Related As Promotion Points Skill Level Star Proponent Funded Gap Analysis
Enlisted E6 Interactive On-Net Operator ASI some          

Army Table Legend

Related As

The military occupations shown in this table are related to this credential in one of four ways: Most, Some, or Other.

Most: This credential is directly related to most of the major duties associated with the military occupation (at least 80%). Note that the credential may require additional education, training or experience before you are eligible for it.

Some: This credential is related to some tasks associated with the duties of the military occupation (related 80% to at least one or more critical tasks but less than 80% of all of the entire military occupation). Note that the credential may require additional education, training or experience before you are eligible for it.

Other: This credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience.

Promotion Points Promotion Points icon

This credential has been approved for promotion points for this MOS towards promotion to Sergeant and Staff Sergeant. Clicking the Promotion Points icon will open a link to the promotion points fact sheet.

Skill Level Designation

Skill Level I: This skill level consists of all Soldiers in the ranks of Private (pay grade E-1) up to Specialist (pay grade E-4). Time in Service (TIS) is generally between initial entry and four Years of Service (YOS). This skill level is Entry-level positions requiring performance of tasks under direct supervision.

Institutional training:

  • Structured Self-Development (SSD) level I
  • Basic Leader Course (BLC)

Skill Level II: This skill level is obtained when promoted to Sergeant (paygrade E-5). TIS is generally between 4-8 YOS. Positions requiring performance of more difficult tasks under general supervision; and in some instances, involving supervision of Soldiers in SL1.

Institutional training:

  • Structured Self-Development (SSD) level II
  • Advance Leader Course (ALC)

Skill Level III: This skill level is obtained when promoted to Staff Sergeant (paygrade E-6). TIS is generally between 8-12 YOS. Positions requiring performance of still more difficult tasks and involving first line supervision of Soldiers in SL1 & SL2.

Institutional training:

  • Senior Leader Course (SLC)
  • Structured Self-Development (SSD) level III

Skill level IV: This skill level is obtained when promoted to the rank of Sergeant First Class (paygrade E-7). TIS is generally between 12-18 YOS. Positions requiring relatively detailed knowledge of all tasks specified for a given MOS, normally involving first-line supervision of Soldiers in SLs 1, 2, and 3, and involving managerial duties.

Institutional training:

  • Master Leader Course (MLC)
  • Structured Self-Development (SSD) level IV
  • Senior Enlisted Joint Professional Military Education (SEJPME) I Course

Skill level V: This skill level is obtained when promoted to the rank of Master Sergeant (paygrade E-8). TIS is generally between 18-22 YOS. Positions requiring direct and indirect leadership roles with expertise in company and battalion-level operations and competency across a given CMF, serving as members of a staff at every level in the Army, with a full understanding of the allocation of resources and their utilization in order to accomplish Army functions and missions.

Institutional training:

  • United States Army Sergeants Major Academy (USASMA)
  • Structured Self-Development (SSD) level V

Skill level VI: This skill level is obtained when promoted to the rank of Sergeants Major (paygrade E-9). TIS is generally between 22-30 YOS. Positions requiring organizational leadership roles with multi-dimensional expertise in units and teams on division, corps, and Army staffs, integrated with Joint, Interagency, Intergovernmental, and Multinational (JIIM) partners with a full understanding of the Force Generation process, operations at all echelons, and how the Army runs.

Star Credential Star icon

Star credentials are MOS enhancing, as designated by the Proponent. MOS enhancing credentials are directly related to an MOS or ASI, are taught either partially or completely as part of a Program of Instruction (POI), and improve the MOS technical proficiency.

Proponent Funded Funded icon

This icon indicates credentials which Soldiers may have funded through their MOS proponent. Some proponents offer credentialing opportunities in conjunction with military training and/or as part of MOS development beyond the training base.

Gap Analysis Has Analysis icon

A detailed analysis comparing the credential requirements to the military occupation has been completed. Click on the gap analysis icon to view the analysis page.

Certified Network Defender (CND)

Eligibility Requirements ()

Note: This credential may have multiple options for becoming eligible. Listed below are the minimum requirements based on the minimum degree required. To view other options, see the Eligibility tab.

  • Credential Prerequisite
  • Experience: 2 years
  • Education
  • Training
  • Membership
  • Other
  • Fee

Exam Requirements ()

  • Written Exam
  • Oral Exam
  • Practical Exam
  • Performance Assessment

Renewal Period: 3 years

  • Continuing Education
  • Exam
  • Continuing Education OR Exam
  • Fee
  • Other

International Council of Electronic Commerce Consultants (EC-Council)
101C Sun Avenue NE
Albuquerque, NM  87109
Phone: (505) 922-2882
Fax: (505) 341-0050

Certified Network Defender (CND)

Option 1: Candidate may attend official CND instructor-led training (ILT), computer-based training (CBT), online live training, academic learning or has been certified in a previous version of the credential.

Option 2: In order to be considered for the EC-Council certification exam without attending official training, candidate must have at least 2 years of work experience in the Information Security domain and an educational background that reflects specialization in Information Security.

The Certified Network Defender (CND) credential has the following other requirements:

  • The age requirement for attending the training or attempting the exam is restricted to any candidate that is at least 18 years old.

    If the candidate is under the age of 18, they are not eligible to attend the official training or eligible to attempt the certification exam unless they provide the accredited training center/EC-Council a written consent of their parent/legal guardian and a supporting letter from their institution of higher learning. Only applicants from nationally accredited institution of higher learning shall be considered.

Certified Network Defender (CND)

  • Computer Network and Defense Fundamentals (5%)
    • Understanding computer network
    • Describing OSI and TCP/IP network Models
    • Comparing OSI and TCP/IP network Models
    • Understanding different types of networks
    • Describing various network topologies
    • Understanding various network components
    • Explaining various protocols in TCP/IP protocol stack
    • Explaining IP addressing concept
    • Understanding Computer Network Defense(CND)
    • Describing fundamental CND attributes
    • Describing CND elements
    • Describing CND process and Approaches
  • Network Security Threats, Vulnerabilities, and Attacks (5%)
    • Understanding threat, attack, and vulnerability
    • Discussing network security concerns
    • Reasons behind network security concerns
    • Effect of network security breach on business continuity
    • Understanding different types of network threats
    • Understanding different types of network security vulnerabilities
    • Understanding different types of network attacks
    • Describing various network attacks
  • Network Security Controls, Protocols, and Devices (8%)
    • Understanding fundamental elements of network security
    • Explaining network access control mechanism
    • Understanding different types of access controls
    • Explaining network Authentication, Authorization and Auditing (AAA) mechanism
    • Explaining network data encryption mechanism
    • Describing Public Key Infrastructure (PKI)
    • Describing various network security protocols
    • Describing various network security devices
  • Network Security Policy Design and Implementation (6%)
    • Understanding security policy
    • Need of security policies
    • Describing the hierarchy of security policy
    • Describing the characteristics of a good security policy
    • Describing typical content of security policy
    • Understanding policy statement
    • Describing steps for creating and implementing security policy
    • Designing of security policy
    • Implementation of security policy
    • Describing various types of security policy
    • Designing of various security policies
    • Discussing various information security related standards, laws and acts
  • Physical Security (6%)
    • Understanding physical security
    • Need of physical security
    • Factors affecting physical security
    • Describing various physical security controls
    • Understanding choosing Fire Fighting Systems
    • Describing various access control authentication techniques
    • Understanding workplace security
    • Understanding personnel security
    • Describing Environmental Controls• Describing Environmental Controls
    • Importance of physical security awareness and training
  • Host Security (7%)
    • Understanding host security
    • Understanding need of securing individual hosts
    • Understanding threats specific to hosts
    • Identifying paths to host threats
    • Purpose of host before assessment
    • Describing host security baselining
    • Describing OS security baselining
    • Understanding and describing security requirements for different types of servers
    • Understanding security requirements for hardening of routers
    • Understanding security requirements for hardening of switches
    • Understanding data security at rest, motion and use
    • Understanding virtualization security
  • Secure Firewall Configuration and Management (8%)
    • Understanding firewalls
    • Understanding firewall security concerns
    • Describing various firewall technologies
    • Describing firewall topologies
    • Appropriate selection of firewall topologies
    • Designing and configuring firewall ruleset
    • Implementation of firewall policies
    • Explaining the deployment and implementation of firewall
    • Factors to considers before purchasing any firewall solution
    • Describing the configuring, testing and deploying of firewalls
    • Describing the managing, maintaining, administrating firewall implementation
    • Understanding firewall logging
    • Measures for avoiding firewall evasion
    • Understanding firewall security best practices
  • Secure IDS Configuration and Management (8%)
    • Understanding different types of intrusions and their indications
    • Understanding IDPS
    • Importance of implementing IDPS
    • Describing role of IDPS in network defense
    • Describing functions, components, and working of IDPS
    • Explaining various types of IDS implementation
    • Describing staged deployment of NIDS and HIDS
    • Describing fine-tuning of IDS by minimizing false positive and false negative rate
    • Discussing characteristics of good IDS implementation
    • Discussing common IDS implementation mistakes and their remedies
    • Explaining various types of IPS implementation
    • Discussing requirements for selecting appropriate IDSP product
    • Technologies complementing IDS functionality
  • Secure VPN Configuration and Management (6%)
    • Understanding Virtual Private Network (VPN) and its working
    • Importance of establishing VPN
    • Describing various VPN components
    • Describing implementation of VPN concentrators and its functions
    • Explaining different types of VPN technologies
    • Discussing components for selecting appropriate VPN technology
    • Explaining core functions of VPN
    • Explaining various topologies for implementation of VPN• Explaining various topologies for implementation of VPN
    • Discussing various VPN security concerns
    • Discussing various security implications for to ensure VPN security and performance
  • Wireless Network Defense (6%)
    • Understanding wireless network
    • Discussing various wireless standards
    • Describing various wireless network topologies
    • Describing possible use of wireless networks
    • Explaining various wireless network components
    • Explaining wireless encryption (WEP, WPA,WPA2) technologies
    • Describing various authentication methods for wireless networks
    • Discussing various types of threats on wireless networks
    • Creation of inventory for wireless network components
    • Appropriate placement of wireless AP
    • Appropriate placement of wireless antenna
    • Monitoring of wireless network traffic
    • Detection and locating of rogue access points
    • Prevention of wireless network from RF interference
    • Describing various security implications for wireless network
  • Network Traffic Monitoring and Analysis (9%)
    • Understanding network traffic monitoring
    • Importance of network traffic monitoring
    • Discussing techniques used for network monitoring and analysis
    • Appropriate position for network monitoring
    • Connection of network monitoring system with managed switch
    • Understanding network traffic signatures
    • Baselining for normal traffic
    • Disusing the various categories of suspicious traffic signatures
    • Various techniques for attack signature analysis
    • Understanding Wireshark components, working and features
    • Demonstrating the use of various Wireshark filters
    • Demonstrating the monitoring LAN traffic against policy violation
    • Demonstrating the security monitoring of network traffic
    • Demonstrating the detection of various attacks using Wireshark
    • Discussing network bandwidth monitoring and performance improvement
  • Network Risk and Vulnerability Management (9%)
    • Understanding risk and risk management
    • Key roles and responsibilities in risk management
    • Understanding Key Risk Indicators (KRI) in risk management
    • Explaining phase involves in risk management
    • Understanding enterprise network risk management
    • Describing various risk management frameworks
    • Discussing best practices for effective implementation of risk management
    • Understanding vulnerability management
    • Explaining various phases involve in vulnerability management
    • Understanding vulnerability assessment and its importance
    • Discussing requirements for effective network vulnerability assessment
    • Discussing internal and external vulnerability assessment
    • Discussing steps for effective external vulnerability assessment
    • Describing various phases involve in vulnerability assessment
    • Selection of appropriate vulnerability assessment tool
    • Discussing best practices and precautions for deploying vulnerability assessment tool
    • Describing vulnerability reporting, mitigation, remediation and verification
  • Data Backup and Recovery (9%)
    • Understanding data backup
    • Describing the data backup plan
    • Describing the identification of data to backup
    • Determining the appropriate backup medium for data backup
    • Understanding RAID backup technology and its advantages
    • Describing RAID architecture
    • Describing various RAID levels and their use
    • Selection of appropriate RAID level
    • Understanding Storage Area Network (SAN) backup technology and its advantages
    • Best practices of using SAN
    • Understanding Network Attached Storage (NAS) backup technology and its advantages
    • Describing various types of NAS implementation
  • Network Incident Response and Management (8%)
    • Understanding Incident Handling and Response (IH&R)
    • Roles and responsibilities of Incident Response Team (IRT)
    • Describing role of first responder
    • Describing first response activities for network administrators
    • Describing Incident Handling and Response (IH&R) process
    • Understanding forensic investigation
    • People involved in forensics investigation
    • Describing forensics investigation methodology

There are a number of resources available to help you prepare for the Certified Network Defender (CND) examination:

An additional resource is Safari Books Online, a searchable digital library that provides online access to thousands of books, training videos and conference sessions. See the Educational Resources page here on COOL to learn how to get free access.

Testing for this credential is handled by Pearson VUE. The test centers are located in the U.S. They also have some test centers on military bases.

To find out more, use the following links on the Pearson VUE website:

For more information on the International Council of Electronic Commerce Consultants (EC-Council) testing process, visit the agency website.

Certified Network Defender (CND)

Renewal Period: 3 years

The Certified Network Defender (CND) credential has the following recertification information:

  • The CND credential is valid for a 3-year period but can be renewed each period by successfully earning EC-Council Continued Education (ECE) credits. Certified members will have to achieve a total of 120 credits (per certification) within a period of three years.