Podcast
Questions and Answers
What type of threat violates the availability security concept?
What type of threat violates the availability security concept?
- Malicious destruction of a hardware device (correct)
- Tampering with an asset
- Creating a fabrication of counterfeit objects
- Unauthorized access to an asset
What is an example of a modification threat?
What is an example of a modification threat?
- Erasure of a program
- Unauthorized access to an asset
- Changing values in a database (correct)
- Malfunction of an operating system file manager
What security concept is violated when an unauthorized party creates a fabrication of counterfeit objects?
What security concept is violated when an unauthorized party creates a fabrication of counterfeit objects?
- Integrity
- Authenticity (correct)
- Confidentiality
- Availability
What is an example of an unauthorized party violating the integrity security concept?
What is an example of an unauthorized party violating the integrity security concept?
What type of threat involves tampering with an asset?
What type of threat involves tampering with an asset?
What is the result of an unauthorized party not only accessing but tampering with an asset?
What is the result of an unauthorized party not only accessing but tampering with an asset?
What is the primary concern of hardware security?
What is the primary concern of hardware security?
What is 'Machinicide'?
What is 'Machinicide'?
How can hardware security be enhanced?
How can hardware security be enhanced?
Who is typically responsible for hardware security?
Who is typically responsible for hardware security?
What is an example of a physical attack on hardware?
What is an example of a physical attack on hardware?
Why is hardware security important?
Why is hardware security important?
What type of attack involves adding devices to a system?
What type of attack involves adding devices to a system?
What is the primary focus of Section 1.3.4.1?
What is the primary focus of Section 1.3.4.1?
What is the primary goal of confidentiality in computer-related assets?
What is the primary goal of confidentiality in computer-related assets?
What type of security measure is confidentiality?
What type of security measure is confidentiality?
What is the primary focus of confidentiality in computer-related assets?
What is the primary focus of confidentiality in computer-related assets?
What is the opposite of confidentiality?
What is the opposite of confidentiality?
What is the primary benefit of confidentiality in computer-related assets?
What is the primary benefit of confidentiality in computer-related assets?
What is a potential consequence of a breach of confidentiality?
What is a potential consequence of a breach of confidentiality?
What is the relationship between confidentiality and access control?
What is the relationship between confidentiality and access control?
What is the primary aim of confidentiality in computer-related assets?
What is the primary aim of confidentiality in computer-related assets?
What is the primary function of independent control programs?
What is the primary function of independent control programs?
What is an example of a hardware control that can assist in providing computer security?
What is an example of a hardware control that can assist in providing computer security?
What is the primary purpose of user policies and procedures?
What is the primary purpose of user policies and procedures?
What type of control is used to prevent software faults from becoming exploitable vulnerabilities?
What type of control is used to prevent software faults from becoming exploitable vulnerabilities?
What is an example of a simple control that can be achieved at essentially no cost but with tremendous effect?
What is an example of a simple control that can be achieved at essentially no cost but with tremendous effect?
What type of control is used to protect each user from all other users?
What type of control is used to protect each user from all other users?
What is the purpose of devices that verify users' identities?
What is the purpose of devices that verify users' identities?
What is the primary limitation of saving all old versions of a program as a control against accidental software deletion?
What is the primary limitation of saving all old versions of a program as a control against accidental software deletion?
What is a potential harm that a company could experience from electronic espionage?
What is a potential harm that a company could experience from electronic espionage?
What control could be instituted to limit the vulnerability of a program that leaks a list of employee names earning more than a certain amount?
What control could be instituted to limit the vulnerability of a program that leaks a list of employee names earning more than a certain amount?
Which of the following is NOT a restatement of the concern over interruption, interception, modification, and fabrication?
Which of the following is NOT a restatement of the concern over interruption, interception, modification, and fabrication?
Is an application that is insecure but still functions correctly considered 'good'?
Is an application that is insecure but still functions correctly considered 'good'?
Who might want to attack a program that displays a city's current time and temperature?
Who might want to attack a program that displays a city's current time and temperature?
What type of harm might an attacker want to cause to a program that allows consumers to order products from the web?
What type of harm might an attacker want to cause to a program that allows consumers to order products from the web?
What kind of vulnerability might an attacker exploit to cause harm to a program that accepts and tabulates votes in an election?
What kind of vulnerability might an attacker exploit to cause harm to a program that accepts and tabulates votes in an election?
What type of harm might an attacker want to cause to a program that allows a surgeon to assist in an operation remotely?
What type of harm might an attacker want to cause to a program that allows a surgeon to assist in an operation remotely?
Study Notes
Security Concepts
- Confidentiality ensures that computer-related assets are accessed only by authorized parties.
- Integrity ensures that assets are not modified without authorization.
- Availability ensures that assets are accessible and usable when needed.
Threats
- Unauthorized access, tampering, modification, or destruction of assets can compromise security.
- Examples of threats include:
- Malicious destruction of hardware devices
- Erasure of programs or data files
- Malfunction of operating system file managers
- Modification of data being transmitted electronically
- Creation of counterfeit objects on a computing system
Vulnerabilities
- Hardware vulnerabilities:
- Visible attacks (e.g., adding devices, changing them, removing them, intercepting traffic)
- Physical attacks (e.g., drenching with water, burning, freezing, gassing, electrocution)
- Machinicide (e.g., shooting with guns, stabbing with knives, smashing)
- Software vulnerabilities:
- Operating system and network system controls
- Independent control programs (e.g., password checkers, intrusion detection utilities, virus scanners)
- Development controls (e.g., quality standards for design, coding, testing, and maintenance)
Controls
- Hardware controls:
- Encryption implementations
- Locks or cables limiting access or deterring theft
- Devices to verify users' identities
- Firewalls
- Intrusion detection systems
- Circuit boards controlling access to storage media
- Software controls:
- Operating system and network system controls
- Independent control programs
- Development controls
- User policies and procedures:
- Enforcing procedures or policies among users
- Frequent changes of passwords
- Other controls to prevent accidental software deletion or unauthorized access
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Description
Learn about the fundamental principles of computer security, including confidentiality and access control.
