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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
A Web application and its support environment has not been fully fortified against attack. Web engineers estimate that the likelihood of repelling an attack is only $30%$. The application does not contain sensitive or controversial information, so the threat probability is $25%$. What is the integrity of the web application?
Solution
Likelihood of repelling an attack is
$30%=0.30$
So, likelihood of not repelling an attack is
$1-0.30=0.70$
Threat probability is
$25%=0.25$
Now,
$Risk=Threat\ probability \times Attack\ success\ probability$
$Risk=0.25 \times 0.70$
$Risk=0.175$
Integrity is
$1-Risk$
$=1-0.175$
$=0.825$
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