Answer :
The option that is used to close up security holes is to Address Internal Threats.
What is security hole in cyber security?
In regards to computer security, the term security hole is known to be a statement that connote a form of vulnerability as well as any form of weakness that can be seen in a system.
This is known to be one that may be as a result of a system design flaw or any form of bug.
If this is unresolved, such flaws can render a system vulnerable to attacks through the use of Internet that could act to compromise the integrity or confidentiality of that given system.
Therefore, The option that is used to close up security holes is to Address Internal Threats.
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