IT 223 LECTURE 1 VERIFIED ACCURATE STUDY
GUIDE
Information - Answers -some analytic process to the data
-The communication or reception of knowledge or intelligence
-knowledge obtained from investigation, study, or instruction
Data - Answers -raw facts
Security - Answers -freedom from danger, SAFETY
Freedom from fear or anxiety
Something that secures: PROTECTION
ISOLATION - Answers -A basic principle underlying the security of computer systems
o Computer
o Hardware
o Software
o People - Answers -Components of Info. System:
Information Security (IS) - Answers -Focuses on PROTECTION of Information assets
Information assurance (IA) - Answers -which focuses on the CORRECTNESS of
information. (Provides right info to the right users at the right time).
Confidentiality, Integrity, Availability,Authentication, Nonrepudiation, Access Control -
Answers -6 Information Security Services
Confidentiality - Answers --concerned with limiting disclosure of the meaning of data
only to authorized entities.
-means that people cannot read sensitive information either while it is on a computer or
while it is travelling across the network
Integrity - Answers --It refers to data or a system that is exactly as it should be, with no
unauthorized changes of any kind.
-means that the attacker cannot change or destroy information, either while it is on a
computer or while it is travelling across the network. Or, at least if info is changed or
destroyed, then the receiver can detect the change or restore destroyed data.
Availability - Answers -it refers to providing access to authorized users when they need
it.
Authentication of integrity - Answers -provides assurance that integrity has been
maintained
GUIDE
Information - Answers -some analytic process to the data
-The communication or reception of knowledge or intelligence
-knowledge obtained from investigation, study, or instruction
Data - Answers -raw facts
Security - Answers -freedom from danger, SAFETY
Freedom from fear or anxiety
Something that secures: PROTECTION
ISOLATION - Answers -A basic principle underlying the security of computer systems
o Computer
o Hardware
o Software
o People - Answers -Components of Info. System:
Information Security (IS) - Answers -Focuses on PROTECTION of Information assets
Information assurance (IA) - Answers -which focuses on the CORRECTNESS of
information. (Provides right info to the right users at the right time).
Confidentiality, Integrity, Availability,Authentication, Nonrepudiation, Access Control -
Answers -6 Information Security Services
Confidentiality - Answers --concerned with limiting disclosure of the meaning of data
only to authorized entities.
-means that people cannot read sensitive information either while it is on a computer or
while it is travelling across the network
Integrity - Answers --It refers to data or a system that is exactly as it should be, with no
unauthorized changes of any kind.
-means that the attacker cannot change or destroy information, either while it is on a
computer or while it is travelling across the network. Or, at least if info is changed or
destroyed, then the receiver can detect the change or restore destroyed data.
Availability - Answers -it refers to providing access to authorized users when they need
it.
Authentication of integrity - Answers -provides assurance that integrity has been
maintained
