Normally, a Senior Information Assurance Officer is responsible for Information Assurance.
The Defense Information Systems Agency (DISA) is responsible for ensuring that each DoD information system has a designated Information Assurance Manager (IAM) with the necessary support, authority, and resources to fulfill their responsibilities for information assurance. This is to ensure that the information systems adhere to the DoD's security requirements and guidelines.
The Department of Defense (DoD) Chief Information Officer (CIO) is responsible for ensuring that each assigned DoD information system has a designated Information Assurance Manager with the necessary support authority and resources to fulfill their responsibilities.
The IAO is not the DAA, but is responsible to the DAA.
Information Assurance Manager
Management is initially responsible for preparing financial statements and auditors are responsible for reasonable assurance
According to DODI 8510.01:5.16. The Program Manager (PM) or System Manager (SM) for DoD ISs shall:5.16.1. Ensure that each assigned DoD IS has a designated IA manager (IAM) with the support, authority, and resources to satisfy the responsibilities established in Reference (d) and this Instruction.So - no - the system administrator is not responsible; the PM or SM is responsible
Information assurance is about minimizing risks when dealing with information and data. It is an important practice when dealing with the storage and processing of digital data.
Information Assurance Manager (IAM) Information Assurance Officer (IAO
According to DODI 8510.01:5.16. The Program Manager (PM) or System Manager (SM) for DoD ISs shall:5.16.1. Ensure that each assigned DoD IS has a designated IA manager (IAM) with the support, authority, and resources to satisfy the responsibilities established in Reference (d) and this Instruction.
Information in an assurance service can be financial or nonfinancial, historical or forward-looking, discrete data or information about systems, internal or external to the decision maker.
An information assurance manager is responsible for overseeing the security of an organization's information systems, including implementing security policies, conducting risk assessments, and ensuring compliance with security regulations. They also manage security incidents, provide security awareness training, and work to continuously improve the organization's security posture.