CISSP NCSA Style Practice (Imported 2026-05)

1. What core tenet of information security ensures that authorized users have timely and reliable access to systems and information when needed?

2. Which security principle is concerned with the prevention of unauthorized disclosure of data, often achieved through controls like encryption and access control lists?

3. The preservation of data and system configurations against unauthorized modification or destruction, ensuring that information is accurate and trustworthy, defines which security goal?