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Which cryptography attack is the student attempting?

A computer science student needs to fill some information into a secured Adobe PDF job application that was
received from a prospective employer. Instead of requesting a new document that allowed the forms to be
completed, the student decides to write a script that pulls passwords from a list of commonly used passwords
to try against the secured PDF until the correct password is found or the list is exhausted.
Which cryptography attack is the student attempting?

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A.
Man-in-the-middle attack

B.
Brute-force attack

C.
Dictionary attack

D.
Session hijacking

4 Comments on “Which cryptography attack is the student attempting?

  1. josh1234 says:

    Dictionary is the closest answer.. but using a list of commonly used passwords isn’t dictionary method. that would be more akin to using a Rainbow Table.


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