WGU D430 Fundamentals of Informa on Security
Ques ons and answers | Updated RATED A+ 2026
Define the confiden ality in the CIA triad.
Our ability to protect data from those who are not authorized to view it.
Examples of confiden ality
A patron using an ATM card wants to keep their PIN number confiden al.
An ATM owner wants to keep bank account numbers confiden al.
How can confiden ality be broken?
Losing a laptop
An a*acker gets access to info
A person can look over your shoulder
Define integrity in the CIA triad.
The ability to prevent people from changing your data and the ability to reverse unwanted
changes.
How do you control integrity?
Permissions restrict what users can do (read, write, etc.)
Examples of integrity
Data used by a doctor to make medical decisions needs to be correct or the pa ent can die.
Define the availability in the CIA triad.
Our data needs to be accessible when we need it.
How can availability be broken?
Loss of power, applica on problems. If caused by an a*acker, this is a Denial of Service a*ack.
Define informa on security.
The protec on of informa on and informa on systems from unauthorized access, use,
disclosure, disrup on, modifica on, or destruc on in order to provide confiden ality, integrity,
and availability.
, Define the Parkerian Hexad and its principles.
The Parkerian Hexad includes confiden ality, integrity, and availability from the CIA triad. It also
includes possession (or control), authen city, and u lity.
Authen city
Whether the data in ques on comes from who or where it says it comes from (i.e. did this
person actually send this email?)
Confiden ality is affected by what type of a*ack?
Intercep on (eaves dropping)
Integrity is affected by what type of a*acks?
Interrup on (assets are unusable), modifica on (tampering with an asset), fabrica on
(genera ng false data)
Authen city is affected by what type of a*acks?
Interrup on (assets are unusable), modifica on (tampering with an asset), fabrica on
(genera ng false data)
U lity
How useful the data is to you (can be a spectrum, not just yes or no)
Possession
Do you physically have the data in ques on? Used to describe the scope of a loss
Iden fy the four types of a*acks
intercep on, interrup on, modifica on, and fabrica on
Intercep on a*acks
Make your assets unusable or unavailable
Interrup on a*acks
cause assets to become unusable or unavailable for our use, on a temporary or permanent basis
Modifica on a*acks
Tampering with an asset
Fabrica on a*acks
Ques ons and answers | Updated RATED A+ 2026
Define the confiden ality in the CIA triad.
Our ability to protect data from those who are not authorized to view it.
Examples of confiden ality
A patron using an ATM card wants to keep their PIN number confiden al.
An ATM owner wants to keep bank account numbers confiden al.
How can confiden ality be broken?
Losing a laptop
An a*acker gets access to info
A person can look over your shoulder
Define integrity in the CIA triad.
The ability to prevent people from changing your data and the ability to reverse unwanted
changes.
How do you control integrity?
Permissions restrict what users can do (read, write, etc.)
Examples of integrity
Data used by a doctor to make medical decisions needs to be correct or the pa ent can die.
Define the availability in the CIA triad.
Our data needs to be accessible when we need it.
How can availability be broken?
Loss of power, applica on problems. If caused by an a*acker, this is a Denial of Service a*ack.
Define informa on security.
The protec on of informa on and informa on systems from unauthorized access, use,
disclosure, disrup on, modifica on, or destruc on in order to provide confiden ality, integrity,
and availability.
, Define the Parkerian Hexad and its principles.
The Parkerian Hexad includes confiden ality, integrity, and availability from the CIA triad. It also
includes possession (or control), authen city, and u lity.
Authen city
Whether the data in ques on comes from who or where it says it comes from (i.e. did this
person actually send this email?)
Confiden ality is affected by what type of a*ack?
Intercep on (eaves dropping)
Integrity is affected by what type of a*acks?
Interrup on (assets are unusable), modifica on (tampering with an asset), fabrica on
(genera ng false data)
Authen city is affected by what type of a*acks?
Interrup on (assets are unusable), modifica on (tampering with an asset), fabrica on
(genera ng false data)
U lity
How useful the data is to you (can be a spectrum, not just yes or no)
Possession
Do you physically have the data in ques on? Used to describe the scope of a loss
Iden fy the four types of a*acks
intercep on, interrup on, modifica on, and fabrica on
Intercep on a*acks
Make your assets unusable or unavailable
Interrup on a*acks
cause assets to become unusable or unavailable for our use, on a temporary or permanent basis
Modifica on a*acks
Tampering with an asset
Fabrica on a*acks
