Q. This type of intrusion relies on the intruder's ability to trick people into breaking normal security procedures.
✅ Correct Answer: (D)
Social engineering
Information Security MCQs and Notes
Q. An intruder might install this on a networked computer to collect user ids and passwords from other machines on the network.
✅ Correct Answer: (B)
Root kit
Q. This is a trial and error method used to decode encrypted data through exhaustive effort rather than employing intellectual strategies.
✅ Correct Answer: (D)
Brute force cracking
Q. This is a mode of operation for a block cipher, with the characteristic that each possible block of plaintext has a defined corresponding cipher text value and vice versa.
✅ Correct Answer: (D)
Electronic Code Book
Q. In password protection, this is a random string of data used to modify a password hash.
✅ Correct Answer: (B)
Salt
Q. This is the inclusion of a secret message in otherwise unencrypted text or images.
✅ Correct Answer: (B)
Steganography
Q. This is the encryption algorithm that will begin to supplant the Data Encryption Standard (DES) - and later Triple DES - over the next few years as the new standard encryption algorithm.
✅ Correct Answer: (A)
Rijndael
Q. Developed by Philip R. Zimmermann, this is the most widely used privacy-ensuring program by individuals and is also used by many corporations.
✅ Correct Answer: (D)
Pretty Good Privacy
Q. This is the name for the issuer of a PKI certificate.
✅ Correct Answer: (B)
Certificate authority
Q. Today, many Internet businesses and users take advantage of cryptography based on this approach.
✅ Correct Answer: (A)
Public key infrastructure