17 Questions
What is the primary purpose of digital signatures?
To verify the authenticity of messages
What binds a 'subject' to a 'public key' in a digital certificate?
A digital signature
What is the purpose of a certification path?
To establish a chain of trust between certificates
What is the primary benefit of using asymmetric cryptography in digital signatures?
It enables digital signature creation
What is the purpose of the 'issuer' in a digital certificate?
To verify the issuer's digital signature
What is the primary goal of digital signatures in terms of information security?
To ensure authentication
What is the term for unauthorised alteration of information?
Tampering
What is the type of attack where an attacker sends messages using another principal's identity?
Masquerading
What is the number of keys required for n users to communicate securely with each other using pre-shared symmetric keys?
n*(n-1)/2 keys
What is the purpose of cryptography?
To reduce information security risks
What is the layer where IPSec operates?
Network Layer
What is the term for obtaining copies of messages without authority?
Eavesdropping
What is the primary concern of confidentiality in information security?
Preventing unauthorized disclosure of information
What is the purpose of authentication in information security?
To verify the identity of an entity
What is the primary concern of integrity in information security?
Ensuring information is accurate and complete
What is the term for a weakness of an asset or control that can be exploited by one or more threats?
Vulnerability
What is the term for the result of an information security incident, caused by a threat, which affects assets?
Impact
Test your understanding of the core principles of information security, including confidentiality, integrity, and availability.
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