What technical control provides the most critical layer of defense if an intruder is able to bypass all physical security controls and obtain tapes containing critical data?
What technical control provides the most critical layer of defense if an intruder is able to bypass all physical security controls and obtain tapes containing critical data?
Encryption is the most critical layer of defense if an intruder bypasses all physical security controls and obtains tapes containing critical data. This is because encryption ensures that the data on the tapes is unreadable to anyone who does not have the correct decryption key, effectively protecting the data even if physical security fails.
The correct answer is: C. Encryption Encryption is the most critical layer of defense if an intruder is able to bypass all physical security controls and obtain tapes containing critical data. Encryption scrambles the data so that it is unreadable to anyone who does not have the encryption key. Even if an intruder is able to obtain the tapes, they will not be able to access the data without the key. The other options are not as effective in protecting data from unauthorized access: Camera recordings can be helpful in identifying and prosecuting intruders, but they cannot prevent them from accessing data. Security guards can provide physical security, but they cannot prevent intruders from accessing data if they are able to bypass the physical security controls. Shredding is an effective way to destroy data, but it is not possible to shred tapes after they have been stolen. Corrective controls are actions taken to respond to and recover from a security incident. They are important, but they do not prevent the incident from happening in the first place.