Principle 5: Computer Security Depends on Two Types of Requirements: Functional and Assurance. Functional requirements describe what a system should do. Assurance requirements describe how functional requirements should be implemented and tested.
What are the security requirements for a computer system?
Requirements are organized by standard:
- Access, Authentication, and Authorization Management.
- Awareness, Training, and Education.
- Disaster Recovery Planning and Data Backup for Information Systems and Services.
- Electronic Data Disposal and Media Sanitization.
- Information Security Risk Management.
- Network Security.
What are assurance requirements in computer security?
NIST defines assurance as “the grounds for confidence that the security controls implemented within an information system are effective in their application”  and in Special Publication 800-53 establishes minimum assurance requirements for federal information systems based on their assigned impact levels.
What are security functional requirements?
Functional Security Requirements, these are security services that needs to be achieved by the system under inspection. Examples could be authentication, authorization, backup, server-clustering, etc. This requirement artifact can be derived from best practices, policies, and regulations.
What are the methods of computer security?
Computer security includes measures taken to ensure the integrity of files stored on a computer or server as well as measures taken to prevent unauthorized access to stored data, by securing the physical perimeter of the computer equipment, authentication of users or computer accounts accessing the data, and providing …
What are the three types of security controls?
There are three primary areas or classifications of security controls. These include management security, operational security, and physical security controls.
What are two ways to protect a computer from malware choose two?
What are two ways to protect a computer from malware? (Choose two.)
- Use antivirus software.
- Empty the browser cache.
- Keep software up to date.
- Delete unused software.
- Defragment the hard disk. Answers Explanation & Hints:
What is information security and assurance?
Information assurance and security is the management and protection of knowledge, information, and data. It combines two fields: Information assurance, which focuses on ensuring the availability, integrity, authentication, confidentiality, and non-repudiation of information and systems.
Why is security assurance important?
Information assurance security focuses primarily on information in its digital form; however, it also encompasses analog or physical forms. IA is important to organizations because it ensures that user data is protected both in transit and throughout storage.
What is a security assurance framework?
ICS Security Assurance Principles
By switching ICS protection from deployment of security policies to that of security capabilities, such a framework aims to enable an all-around improvement in security technology and management capabilities for the purpose of integrating management, control, and defense.
What are security requirements example?
A security requirement is a goal set out for an application at its inception. Every application fits a need or a requirement. For example, an application might need to allow customers to perform actions without calling customer service. … In security, the same types of questions exist.
What is Web security requirements?
The key Web services security requirements are authentication, authorization, data protection, and nonrepudiation. Authentication ensures that each entity involved in using a Web service—the requestor, the provider, and the broker (if there is one)—is what it actually claims to be.
Why security is required?
Here are a few of the more prominent reasons why security is so important: Compliance with the law: There’s no shortage of laws and regulations mandating the safekeeping of sensitive data. … Risk of natural disasters and other threats: Today, natural disasters pose one of the biggest threats around to data centers.
What means computer security?
Computer security, cybersecurity or information technology security (IT security) is the protection of computer systems and networks from information disclosure, theft of or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the services they provide.