ICANWK520A
Design IT system security controls

This unit describes the performance outcomes, skills and knowledge required to design the security controls that ensure an IT system is secure, both physically and legally. It involves developing the organisational policy and procedures for information security, process security, internet technology security, communications security, wireless security and overall physical security.

Application

This unit applies to individuals in a range of information and communications technology (ICT) areas who are required to guarantee the security of IT systems.


Prerequisites

Not applicable.


Elements and Performance Criteria

1. Review organisational security policy and procedures

1.1 Review business environment to identify existing requirements

1.2 Determine organisational goals for legal and security requirements

1.3 Verify security needs in a policy document

1.4 Determine legislative impact on business domain

1.5 Gather and document objective evidence on current security threats

1.6 Identify options for using internal and external expertise

1.7 Establish and document a standard methodology for performing security tests

2. Develop security plan

2.1 Investigate theoretical attacks and threats on the business

2.2 Evaluate risks and threats associated with the investigation

2.3 Prioritise assessment results and write security policy

2.4 Document information related to attacks, threats, risks and controls in a security plan

2.5 Review the security strategy with security-approved key stakeholders

2.6 Integrate approved changes into business plan and ensure compliance with statutory requirements

3. Design controls to be incorporated into system

3.1 Implement controls in a procedurally organised manner to ensure minimum risk of security breach in line with organisational guidelines

3.2 Monitor each phase of the implementation to determine the impact on the business

3.3 Take corrective action on system implementation breakdown

3.4 Record implementation process

3.5 Evaluate corrective actions for risk

3.6 Plan risk assessment review process

3.7 Take action to ensure confidentiality throughout all phases of design

Required Skills

Required skills

analytical skills to undertake risk assessment of data-gathering techniques

communication skills to manage group facilitation and presentation related to transferring and collecting information

literacy skills to produce business reports

planning and organisational skills to provide accurate and concise insights to possible security threats for all levels of staff, both technical and managerial

problem-solving skills to identify and remedy evolving and complex security threat scenarios.

Required knowledge

detailed knowledge of:

communications security, including human organisational interactions

how to conduct an information security risk assessment

internet technology security, including firewalls

physical security

security testing methods for performing security tests

wireless security

overview knowledge of:

current industry-accepted security processes, including general features and capabilities of software and hardware solutions

ethics in IT

general features of specific security technology

privacy issues and legislation

process security for policy and procedures.

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.

Overview of assessment

Critical aspects for assessment and evidence required to demonstrate competency in this unit

Evidence of the ability to:

confirm sufficient knowledge of security products and organisational security policy

establish realistic ground rules for security product procedures

design security controls for a system

incorporate these into a security strategy.

Context of and specific resources for assessment

Assessment must ensure access to:

IT security assurance specifications

probability, frequency and severity of direct and indirect harm, loss or misuse of the IT system

risk analysis tools and methodologies

risks to the mission or business resulting from IT-related risks

security environment, which also includes the threats to security that are, or are held to be, present in the environment

security environment relating to laws and legislation, existing organisational security policies and organisational expertise

appropriate learning and assessment support when required

modified equipment for people with special needs.

Method of assessment

A range of assessment methods should be used to assess practical skills and knowledge. The following examples are appropriate for this unit:

verbal or written questioning to assess knowledge of:

layered security

risk management

security issues

statutory requirements

review of documented security, including:

policy

plan

strategy.

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector, workplace and job role is recommended, where appropriate.

Assessment processes and techniques must be culturally appropriate, and suitable to the communication skill level, language, literacy and numeracy capacity of the candidate and the work being performed.

Indigenous people and other people from a non-English speaking background may need additional support.

In cases where practical assessment is used it should be combined with targeted questioning to assess required knowledge.


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.

Requirements may relate to:

business

network

people in the organisation

system.

Security threats may include:

by-pass actions

data tampering and manipulation

eavesdropping

impersonation

keyboard logging

local applications or local area network (LAN) connections

penetration

weaknesses in internet networks.

Security policy may relate to:

audits and alerts

privacy

standards, including:

archival

backup

network

theft

viruses.

Security plan may include:

logical controls

physical controls

social controls.

Security strategy:

may include:

authentication

authorisation and integrity

privacy

usually forms part of the overall objectives of the organisation.

Stakeholders may include:

development team

project team

sponsor

user.

Organisational guidelines may include:

communication methods

content of emails

dispute resolution

document procedures

downloading information and accessing particular websites

financial control mechanisms

opening mail with attachments

personal use of emails and internet access

templates

virus risk.

Risk assessment may include:

developing risk plans

developing scenarios

evaluating threats

following up

gathering information

identifying counter measures

identifying threats

ranking risk

reporting.


Sectors

Networking


Employability Skills

This unit contains employability skills.


Licensing Information

No licensing, legislative, regulatory or certification requirements apply to this unit at the time of endorsement but users should confirm requirements with the relevant federal, state or territory authority.