Give an example where confidentiality is required, but not integrity

For exp if you have a website contain you secrect pics it allow to attacker to destroy tour privacy totaly
alot of huge website Now make a on his responsabilty The privacy of clients

Give an example where integrity is required, but not confidentiality

if i have a website for exp & i have clients & their password if idon't have confidently i will try to Hack thier email ....

Give an example where availability is the overriding concern

yes the V world is very danger you shouldn't trust any website or service that is given to you for exp Vbspiders is website but why garantee to me that this website isn't danger on me & my privacy .. proof is kind of info that he ask from me ... i acually this question is one of V challenge i can be discussed on conference of CIA