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Information Technology Procedure - Passwords

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Section 1 - Purpose

(1) This procedure supports the Information Technology Policy and sets out Charles Sturt University's (the University) standards regarding passwords and personal identification number management (including strength, quality, creation, protection, storage, re-use and resetting) and maintenance.

Scope

(2) This procedure applies to all authorised users who:

  1. access the University's information and communication technology (ICT) systems
  2. create and manage passwords and/or personal identification numbers (PIN) used to access the University's ICT systems
  3. are responsible for managing a University ICT system account that supports or requires passwords or PINs to access, and
  4. are responsible for systems that manage, transport and store University credentials.
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Section 2 - Policy

(3) See the Information Technology Policy.

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Section 3 - Procedures

(4) Passwords are the primary authentication credential used by the University's ICT systems to verify the identity of individuals wanting to gain authorised access.

(5) Poor choice of passwords and/or poor password management may present an unacceptable risk to staff, students and University information in the form of unauthorised disclosure, loss of integrity and/or information availability.

Responsibilities

(6) The Division of Information Technology is responsible for the provisioning, storage and management of centralised password datasets used for authentication to applications and ICT services listed in the University's Applications Portfolio.

(7) Authorised users are responsible for:

  1. password creation, use and management, associated with their University credentials, and
  2. reporting any actual or suspected password compromises through:
    1. the IT Service Desk (for authorised users excluding students), or
    2. Student Central (for students).

(8) Application custodians of systems that are not listed in the Applications Portfolio or not using centralised authentication systems are required to comply with this procedure regarding the provisioning, storage and management of password datasets used for authentication.

(9) Exemptions to this procedure must be approved in writing by the Executive Director, Division of Information Technology.

(10) At the discretion of the Executive Director, Division of Information Technology, ICT systems that do not comply with this procedure may be removed from operation until compliance can be demonstrated or an exemption approved.

(11) Failure to comply with this procedure through deliberate, malicious or negligent behaviour may result in disciplinary action as per the University's misconduct processes.

Password strength and changing

(12) All passwords are classified as Highly Confidential as per the University’s Data security classification scheme.

(13) User password strength and complexity is based on the minimum requirements for single-factor authentication as defined by the Australian Government Information Security Manual (ISM). These minimum requirements will also be applied to systems and passwords using multi-factor authentication.

(14) All passwords must meet the following requirements for strength and frequency of change:

Account type Password strength Change frequency
Authorised user accounts At least eight characters long and including at least three of the following:
  1. lowercase letters 
  2. uppercase letters 
  3. numbers
  4. special characters ($%#)
120 days*
 
 
Privileged user accounts At least 11 characters long and including at least three of the following:
  1. lowercase letters 
  2. uppercase letters 
  3. numbers
  4. special characters ($%#)
90 days
Service accounts Same as privileged user accounts 180 days
* Except for students; there is no password expiry requirement for students unless they are higher degree research students with access to additional services and/or those who are also staff members.

(15) Passwords for all accounts must be:

  1. difficult to guess and not be:
    1. a single dictionary word such as names, pets, fantasy characters
    2. numbers such as birthdays, anniversaries or phone numbers
    3. word or number patterns such as qwerty, aaabbb or 123456
    4. any of the above preceded or followed by a digit such as secret1 or 1rover
    5. the same as, or a variation of, the associated username
  2. unique and not the same as passwords used for non-University accounts such as personal social media accounts, personal emails accounts and online banking.

(16) Passwords must not be re-used for six consecutive changes.

(17) Passwords cannot be changed by the authorised user more than twice a day.

(18) Personal identification numbers (PINs) must be difficult to guess and not a repetition of the same digit.

Password use and storage

(19) Passwords and PINs are only to be used by an authorised user and must not be:

  1. shared with anyone under any circumstances, or
  2. written down or recorded in physical or clear text electronic format.

(20) If the confidentiality of a password or PIN is in doubt, it must be changed immediately.

(21) If the confidentiality of a password or PIN has been compromised, Division of Information Technology will:

  1. lock the associated account
  2. advise the account holder, and
  3. manage the associated risk.

(22) The use, storage and/or transport of plain text passwords is prohibited.

(23) Authentication systems must not store passwords or PINs in a viewable or recoverable format.

(24) A record of all account registration, history, status and revocation must be kept for seven years and six months after expiration or revocation (whichever is later).

Applications and systems

(25) To facilitate compliance with this procedure, the University's applications and systems must use centralised enterprise authentication systems where practicable. 

(26) Where it is not practicable to use the centralised enterprise authentication system:

  1. ICT systems must capable of and configured to enforce password complexity and dictionary strength requirements, or
  2. where ICT systems cannot be configured to enforce password strength requirements, passwords must be checked by alternative means to ensure compliance with this procedure.

(27) Alternate authentication mechanisms that do not use passwords or PINs (e.g. biometric authentication, tokens, certificates) may only be used after consultation with and approval from the  Executive Director, Division of Information Technology or delegate.

(28) Forgotten, expired or locked-out passwords must be re-set and not recovered.

(29) Authentication mechanisms must disable user and privileged accounts for a period of 30 minutes after multiple consecutive failed authentication attempts.

(30) Authentication mechanisms involving the use of passwords must use secure, strong encryption protocols in the transport of account information.

(31) Applications must provide role management to allow one authorised user to undertake the functions of another without the need to share passwords.

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Section 4 - Guidelines

(32) Nil.

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Section 5 - Glossary

(33) This procedure uses terms as defined in the Information Technology Policy, as well as the following:

  1. Applications Portfolio - means the University’s official register of application assets. This does not include items such as network systems, database management systems, active directories systems etc.
  2. Authorised user account - means the arrangement through which a user is given personalised access to a computer, ICT interface or system.
  3. Multi-factor authentication - means the use of more than one authentication method for access to an application or system.
  4. Privileged account - means an account used by authorised users to access ICT systems at an administrative or higher level function than that of a user account.
  5. Role management - means the mechanism by which an application manages the functions an authorised user can perform and the data which an authorised user has access to within the application.
  6. Service account - means an account that an application or service uses to interact with an operating system, database or integration service and cannot be used for authorised user or privileged account functions.
  7. Single-factor authentication – means the use of only one authentication method for access to an application or system.
  8. System or application custodian - means executive staff with recognised responsibility and ownership of University information or ICT assets as identified in the Applications Portfolio; or, for non-registered systems, the primary budget centre manager that has established the non-registered system.