The information security team does a presentation on social media and advises the participants not to provide too much personal information on social media web sites. This advice would BEST protect people from which of the following?
A.
Rainbow tables attacks
B.
Brute force attacks
C.
Birthday attacks
D.
Cognitive passwords attacks
Hmmm, again, nowhere in any of my sources does this come up. I wish I knew the source of this question.
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A** A rainbow table is a precomputed table for reversing cryptographic hash functions, usually for cracking password hashes. Tables are usually used in recovering a password (or credit card numbers, etc.) up to a certain length consisting of a limited set of characters.
B** A brute force attack is a trial-and-error method used to obtain information such as a user password or personal identification number (PIN). In a brute force attack, automated software is used to generate a large number of consecutive guesses as to the value of the desired data.
C** A birthday has absolutely nothing to do with my date of birth as the name implies. The attack is a type of cryptographic attack that exploits the mathematics behind the birthday problem in probability theory. This attack can be used to abuse communication between two or more parties. The attack depends on the higher likelihood of collisions found between random attack attempts and a fixed degree of permutations (pigeonholes
D** A cognitive password is a form of knowledge-based authentication that requires a user to answer a question, presumably something they intrinsically know, to verify their identity. Cognitive password systems have been researched for many years and are currently commonly used as a form of secondary access.
By definition , A Cognitive Password Attack uses information gained from social media to obtain access to a users login
With the above in mind, the following attackes when happen irrespectoive of the fact whether the user is using social media or not:
A** A rainbow table
B** A brute force attack
C** A birthday attack
So the answer is most definitely D- Cognitive passwords attacks
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