Closely related to the init daemon, the systemd is a daemon in itself that is directly or indirectly responsible for other deamons. it start other daemons during system boots up as well as start and stip them after booting. it is also the first and last daemon during system processes.
The difference between a policy, a standard and a practice is as follow:
Policy: It can be defined as the written instructions that describe proper behavior.
Standard: It can be defined as the detailed statement of what must be done to comply with policy.
Practice: It can be defined as the examples of actions that would comply with policy.
The three types of security policies are:
Enterprise Information Sec. Policy (EISP)
: High level policy that sets the strategic direction, scope, and tone for the organization's security efforts. Use: It is used to support the mission, vision and direction of the organization and sets the strategic direction, scope and tone for all security efforts
Issue Specific Sec. Policy (ISSP)
: An organizational policy that provides detailed, targeted guidance to instruct all members of the organization in the use of a resource, such as one of its processes or technologies. Use: It is used to support routine operations and instructs employees on the proper use of these technologies and processes
System Specific Sec. Policy (SysSP): Organizational policies that often function as standards or procedures to be used wen configuring or maintaining systems. SysSPs can be separated into two general groups-managerial guidance and technical specifications- but may be written as a single unified document. Use: It is used as a standard when configuring or maintaining systems.
ISSP policy would be needed to guide the use of the web, email and use of personal use of office equipment.
