Answer:
false negative
Explanation:
A false negative is a dangerous state in which the IDS (Intrusion Detection System) assumes the activity as acceptable in which the activity is actually an attack occurred on the system.
That means, the Intrusion Detection System has failed to catch the attack. This is the most dangerous state, as the systems were compromised and the network or cyber security people were unable to find the attack.
More generally, there are two types of Intrusion Detection Systems ( IDS ). Network based IDSs ( NIDS ) and Host based IDSs ( HIDS ).
Many old computers and phones are refurbished and shipped to less developed countries.
Once you have installed the hard drive one of the most important things you can do is to defragment it, which eliminates needed old small bits of information from the drive.
Answer:
it is used to generate something to XOR with the plaintext.
Explanation:
Some mode of operation only use an encryption function because it is used to generate something to XOR with the plaintext. There is no point decrypt the generated bytes. To decrypt the ciphertext, you just need the same stream of bytes.