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Companies can nearly always stop DoS attacks without assistance from ISPs and other upstream agencies.

An armored virus locks your computer or encrypts your data and threatens to delete it unless you pay a ransom to the attacker.

The major promise of biometrics is to replace reusable passwords.

Following someone through a secure door for access without using an authorized ID card or pass code is called ________. (Choose the most specific answer.)

A ________ attack is an attack that is made before attack signatures for the threat are defined.

When two parties communicate with each other using symmetric key encryption, how many keys are used in total to encrypt and decrypt?

_______________ is a protocol that can be used to make an encrypted remote connection to a Linux server or network equipment.

Someone who breaks encryption is called a ________.

Rainbow tables contain lists of pre-computed password hashes that are indexed to expedite the password cracking process.

Restoration of data files from tape ________.