IT 223 LECTURES 1 AND 2 VERIFIED ACCURATE
STUDY GUIDE
Information - Answers -- The communication or reception of knowledge or intelligence.
- Knowledge obtained from investigation, study, or instruction
Difference between "information" and "data" - Answers -- Data: simply facts or figures
- Information: Processed data, data in context.
Security - Answers -The quality of being secure, protected.
Information Security - Answers -- Protection of information and its critical elements,
including the systems and hardware that use, store, and transmit that information.
- Protection of information assets.
Information Assurance - Answers -Correctness of information.
- The right information to the right user at the right time
Confidentiality - Answers -Set of rules that limits access to information, privacy
Integrity - Answers -The assurance that the information is trustworthy and accurate
Availability - Answers -A guarantee of reliable access to the information by authorized
people.
Authentication of - Answers -Origin-Integrity-Identity Where and from who the message
is coming from
Non-repudiation - Answers -Related to authentication of origin. It deters the sender of a
message from claiming he didn't send it
Access control - Answers -Limiting access to systems resources to only authorized
entities.
Security and Usability trade-off - Answers -- The more secure a system is the less
usable (accessible) becomes.
- The more accessible (usable) a system is the less secure.
Threat - Answers -Anything that represents a possible compromise of security.
Threat environment - Answers -All the possible threats (natural events, human errors
attacks) a system is expose to.
STUDY GUIDE
Information - Answers -- The communication or reception of knowledge or intelligence.
- Knowledge obtained from investigation, study, or instruction
Difference between "information" and "data" - Answers -- Data: simply facts or figures
- Information: Processed data, data in context.
Security - Answers -The quality of being secure, protected.
Information Security - Answers -- Protection of information and its critical elements,
including the systems and hardware that use, store, and transmit that information.
- Protection of information assets.
Information Assurance - Answers -Correctness of information.
- The right information to the right user at the right time
Confidentiality - Answers -Set of rules that limits access to information, privacy
Integrity - Answers -The assurance that the information is trustworthy and accurate
Availability - Answers -A guarantee of reliable access to the information by authorized
people.
Authentication of - Answers -Origin-Integrity-Identity Where and from who the message
is coming from
Non-repudiation - Answers -Related to authentication of origin. It deters the sender of a
message from claiming he didn't send it
Access control - Answers -Limiting access to systems resources to only authorized
entities.
Security and Usability trade-off - Answers -- The more secure a system is the less
usable (accessible) becomes.
- The more accessible (usable) a system is the less secure.
Threat - Answers -Anything that represents a possible compromise of security.
Threat environment - Answers -All the possible threats (natural events, human errors
attacks) a system is expose to.
