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A Web application an its support environment has not been fully fortified against attack. Web engineers estimate that the likelihood of repelling an attack is only $30$ percent. The application does not contain sensitive or controversial information, so the threat probability is $25$ percent. What is the integrity of the web application?

1. $0.625$
2. $0.725$
3. $0.775$
4. $0.825$
edited ago | 13 views

Threat =Probability that  an attack  will occur  =0.25 or 25 percent

Secruity=Likelihood of repelling an attack =0.30 or 30 percent

Integrity=(1-threat*(1-security)) =(1-0.25(1-0.30))=1-0.175=0.825

option 4

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