FUNDAMENTALS OF COMPUTER

COMPUTER THREATS SECURITY

WHAT IS A FIREWALL IN NETWORK SECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
False positive is when an alarm raised by an event which is threatening happens suddenly.
A
False
B
True
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -A false positive state is when the IDS identifies an activity as an attack but the activity is acceptable behavior. A false positive is a false alarm. A false negative state is the most serious and dangerous state. This is when the IDS identifies an activity as acceptable when the activity is actually an attack.

Detailed explanation-2: -A false positive is when a scientist determines something is true when it is actually false (also called a type I error). A false positive is a “false alarm.” A false negative is saying something is false when it is actually true (also called a type II error).

Detailed explanation-3: -Definition(s): An alert that incorrectly indicates that a vulnerability is present. Source(s): NIST SP 800-115. An alert that incorrectly indicates that malicious activity is occurring.

Detailed explanation-4: -A false positive error, or false positive, is a result that indicates a given condition exists when it does not. For example, a pregnancy test which indicates a woman is pregnant when she is not, or the conviction of an innocent person.

Detailed explanation-5: -A true positive is where a rule is configured and logs match that rule for a real threat. This means the rule worked as intended and alarmed correctly. A false positive is where a rule is configured and the log matches the rule, however the logs that matched are not considered a threat and should be ignored.

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