Aspire Faculty ID #19274 · Topic: UGC NET Computer Science June 2019 (Paper II) · Just now
UGC NET Computer Science June 2019 (Paper II)

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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